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		<title>Docker 백그라운드 실행 명령어</title>
		<link>https://lycos7560.com/docker/docker-%eb%b0%b1%ea%b7%b8%eb%9d%bc%ec%9a%b4%eb%93%9c-%ec%8b%a4%ed%96%89-%eb%aa%85%eb%a0%b9%ec%96%b4/40219/</link>
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		<pubDate>Thu, 31 Jul 2025 18:54:54 +0000</pubDate>
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					<description><![CDATA[<p>1. Docker 백그라운드 실행 명령어 컨테이너를 백그라운드(detached) 모드로 실행하여 터미널을 점유하지 않고 계속해서 동작하게 하는 명령어 2. 실행 중인 컨테이너 확인 명령어 현재 시스템에서 실행 중인 컨테이너를 확인하는 명령어 3. 모든 컨테이너 확인 명령어 (실행 중 + 정지) 실행 중인 컨테이너뿐만 아니라, 이전에 실행되었다가 현재는 정지된 모든 컨테이너를 확인하는 명령어 4. 기타 유용한 명령어</p>
<p>The post <a href="https://lycos7560.com/docker/docker-%eb%b0%b1%ea%b7%b8%eb%9d%bc%ec%9a%b4%eb%93%9c-%ec%8b%a4%ed%96%89-%eb%aa%85%eb%a0%b9%ec%96%b4/40219/">Docker 백그라운드 실행 명령어</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
]]></description>
										<content:encoded><![CDATA[				<div class="wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-a09493e2      "
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							목차						</div>
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						<ol class="uagb-toc__list"><li class="uagb-toc__list"><a href="#1-docker-백그라운드-실행-명령어" class="uagb-toc-link__trigger">1. Docker 백그라운드 실행 명령어</a><li class="uagb-toc__list"><a href="#2-실행-중인-컨테이너-확인-명령어" class="uagb-toc-link__trigger">2. 실행 중인 컨테이너 확인 명령어</a><li class="uagb-toc__list"><a href="#3-모든-컨테이너-확인-명령어-실행-중-정지" class="uagb-toc-link__trigger">3. 모든 컨테이너 확인 명령어 (실행 중 + 정지)</a><li class="uagb-toc__list"><a href="#4-기타-유용한-명령어" class="uagb-toc-link__trigger">4. 기타 유용한 명령어</a></ol>					</div>
									</div>
				</div>
			


<div style="height:50px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">1. Docker 백그라운드 실행 명령어</h3>



<p>컨테이너를 백그라운드(detached) 모드로 실행하여 터미널을 점유하지 않고 계속해서 동작하게 하는 명령어</p>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// docker run -d [이미지 이름]
// -d 또는 --detach 옵션은 컨테이너를 백그라운드에서 실행하도록 지시
docker run -d -p 8080:80 nginx</pre>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">2. 실행 중인 컨테이너 확인 명령어</h3>



<p>현재 시스템에서 실행 중인 컨테이너를 확인하는 명령어</p>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// ps는 "process status"의 약자로, 현재 실행 중인 컨테이너의 목록을 보여줌
docker ps


CONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS          PORTS                                   NAMES
a1b2c3d4e5f6   nginx     "/docker-entrypoint.sh"  10 seconds ago   Up 8 seconds    0.0.0.0:8080->80/tcp, :::8080->80/tcp   web_server

// CONTAINER ID: 컨테이너의 고유 ID
// IMAGE: 컨테이너를 생성하는 데 사용된 이미지
// COMMAND: 컨테이너가 실행될 때 사용된 명령어
// CREATED: 컨테이너가 생성된 시점
// STATUS: 컨테이너의 현재 상태 (예: Up 5 minutes)
// PORTS: 포트 매핑 정보
// NAMES: 컨테이너에 할당된 이름</pre>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">3. 모든 컨테이너 확인 명령어 (실행 중 + 정지)</h3>



<p>실행 중인 컨테이너뿐만 아니라, 이전에 실행되었다가 현재는 정지된 모든 컨테이너를 확인하는 명령어</p>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// -a 또는 --all 옵션은 모든 컨테이너를 표시하도록 지시
docker ps -a

CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS                      PORTS     NAMES
a1b2c3d4e5f6   nginx     "/docker-entrypoint.sh"  2 minutes ago   Up 2 minutes                ...       web_server
e6f5d4c3b2a1   ubuntu    "/bin/bash"              5 hours ago     Exited (0) 4 minutes ago              test_container</pre>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">4. 기타 유용한 명령어</h3>



<ul class="wp-block-list">
<li>docker stop</li>



<li>docker start</li>



<li>docker kill</li>



<li>docker logs</li>



<li>docker attach</li>



<li>docker exec</li>
</ul>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// 컨테이너 중지: docker stop [컨테이너 ID 또는 이름]
// 실행 중인 컨테이너를 정상적으로 종료시킵니다.
docker stop web_server

// 컨테이너 시작: docker start [컨테이너 ID 또는 이름]
// 정지된 컨테이너를 다시 시작합니다.
docker start test_container

// 컨테이너 강제 종료: docker kill [컨테이너 ID 또는 이름]
// 컨테이너를 강제로 즉시 종료시킵니다.
docker kill web_server

// 컨테이너 로그 확인: docker logs [컨테이너 ID 또는 이름]
// 컨테이너의 표준 출력(stdout)과 표준 에러(stderr) 로그를 확인합니다.
docker logs web_server

// 컨테이너 접속: docker attach [컨테이너 ID 또는 이름]
// 백그라운드에서 실행 중인 컨테이너의 터미널에 연결합니다.
docker attach web_server

// 컨테이너 내부에 명령어 실행: docker exec [컨테이너 ID 또는 이름] [명령어]
// 실행 중인 컨테이너 내부에 새로운 프로세스를 실행합니다.
// 예시 : Nginx 컨테이너에서 bash 셸을 실행하여 내부로 접속
docker exec -it web_server /bin/bash</pre>



<ul class="wp-block-list"></ul>



<p></p>
<p>The post <a href="https://lycos7560.com/docker/docker-%eb%b0%b1%ea%b7%b8%eb%9d%bc%ec%9a%b4%eb%93%9c-%ec%8b%a4%ed%96%89-%eb%aa%85%eb%a0%b9%ec%96%b4/40219/">Docker 백그라운드 실행 명령어</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
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		<title>Docker Port Mapping(포트 매핑)</title>
		<link>https://lycos7560.com/docker/docker-port-mapping%ed%8f%ac%ed%8a%b8-%eb%a7%a4%ed%95%91/40217/</link>
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		<dc:creator><![CDATA[lycos7560]]></dc:creator>
		<pubDate>Thu, 31 Jul 2025 18:29:11 +0000</pubDate>
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		<guid isPermaLink="false">https://lycos7560.com/?p=40217</guid>

					<description><![CDATA[<p>Docker 포트 매핑 (Port Mapping) Docker에서 포트 매핑은 컨테이너 내부에서 실행 중인 서비스의 포트와 호스트 컴퓨터(Docker가 설치된 머신)의 포트를 연결하는 중요한 기능입니다. 포트 매핑 왜 필요한가? Docker 컨테이너는 기본적으로 격리된 환경에서 실행됩니다. 즉, 컨테이너 내부에 웹 서버가 80번 포트에서 동작하더라도, 외부에서는 이 포트에 직접 접근할 수 없습니다. 컨테이너는 자체적인 IP 주소를 가지고 있으며, 호스트 컴퓨터와는 [&#8230;]</p>
<p>The post <a href="https://lycos7560.com/docker/docker-port-mapping%ed%8f%ac%ed%8a%b8-%eb%a7%a4%ed%95%91/40217/">Docker Port Mapping(포트 매핑)</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
]]></description>
										<content:encoded><![CDATA[				<div class="wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-5dd74c8e      "
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							목차						</div>
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						<ol class="uagb-toc__list"><li class="uagb-toc__list"><a href="#docker-포트-매핑-port-mapping" class="uagb-toc-link__trigger">Docker 포트 매핑 (Port Mapping)</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#포트-매핑-왜-필요한가" class="uagb-toc-link__trigger">포트 매핑 왜 필요한가?</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#포트-매핑의-역할" class="uagb-toc-link__trigger">포트 매핑의 역할</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#간단한-예시" class="uagb-toc-link__trigger">간단한 예시</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#요약" class="uagb-toc-link__trigger">요약</a></ul></ol>					</div>
									</div>
				</div>
			


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<h2 class="wp-block-heading">Docker 포트 매핑 (Port Mapping)</h2>



<p>Docker에서 <strong>포트 매핑</strong>은 컨테이너 내부에서 실행 중인 서비스의 포트와 호스트 컴퓨터(Docker가 설치된 머신)의 포트를 연결하는 중요한 기능입니다.</p>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">포트 매핑 <strong>왜 필요한가?</strong></h3>



<p>Docker 컨테이너는 기본적으로 격리된 환경에서 실행됩니다. </p>



<p>즉, 컨테이너 내부에 웹 서버가 80번 포트에서 동작하더라도, 외부에서는 이 포트에 직접 접근할 수 없습니다. </p>



<p><strong>컨테이너</strong>는 <strong>자체적인 IP 주소</strong>를 가지고 있으며, 호스트 컴퓨터와는 다른 네트워크 환경에 있습니다.</p>



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<h3 class="wp-block-heading"><strong>포트 매핑의 역할</strong></h3>



<p>포트 매핑은 <strong>컨테이너의 특정 포트</strong>를 <strong>호스트 컴퓨터의 특정 포트</strong>로 터널링(tunneling)하는 역할을 합니다. </p>



<p>이를 통해 외부 사용자는 호스트 컴퓨터의 포트를 통해 컨테이너 내부의 서비스에 접근할 수 있게 됩니다.</p>



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<h3 class="wp-block-heading">간단한 <strong>예시</strong></h3>



<p>Nginx 웹 서버를 실행하는 컨테이너를 생각해봅시다. </p>



<p>Nginx는 기본적으로 80번 포트에서 동작합니다. </p>



<p>이 컨테이너에<strong> 외부에서 접근</strong>할 수 있도록 하려면 다음과 같이 <strong>포트 매핑</strong>을 설정할 수 있습니다.</p>



<p>Bash</p>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker run -p 8080:80 nginx
</pre>



<ul class="wp-block-list">
<li><strong><code>-p</code></strong>: <br>포트 매핑 옵션</li>



<li><strong><code>8080</code></strong>: <br><strong>호스트 컴퓨터의 포트</strong>로 외부에서 <code>http://[호스트 IP]:8080</code>으로 접속</li>



<li><strong><code>80</code></strong>: <br><strong>컨테이너 내부의 포트</strong>로 Nginx가 이 포트에서 대기</li>



<li><strong><code>nginx</code></strong>: <br>사용할 Docker 이미지 이름</li>
</ul>



<p>호스트 컴퓨터의 8080번 포트로 들어오는 모든 네트워크 요청은 Docker에 의해 컨테이너의 80번 포트로 전달됩니다. </p>



<p>이로써 외부 사용자는 <code>http://localhost:8080</code> (만약 로컬에서 실행했다면)으로 접속하여 컨테이너 내부의 Nginx 웹 서버에 접근할 수 있게 됩니다.</p>



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<h3 class="wp-block-heading"><strong>요약</strong></h3>



<figure class="wp-block-table"><table class="has-fixed-layout"><tbody><tr><td>개념</td><td>설명</td></tr><tr><td>컨테이너 포트</td><td>컨테이너 내부에서 서비스가 실제로 사용하고 있는 포트 (예: Nginx의 80번 포트)</td></tr><tr><td>호스트 포트</td><td>컨테이너에 접근하기 위해 외부에서 사용하는, 호스트 컴퓨터의 포트</td></tr><tr><td>포트 매핑</td><td>[호스트 포트]:[컨테이너 포트] 형태로 두 포트를 연결하는 과정</td></tr></tbody></table></figure>
<p>The post <a href="https://lycos7560.com/docker/docker-port-mapping%ed%8f%ac%ed%8a%b8-%eb%a7%a4%ed%95%91/40217/">Docker Port Mapping(포트 매핑)</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
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		<guid isPermaLink="false">https://lycos7560.com/?p=40200</guid>

					<description><![CDATA[<p>Docker에서 HTML 페이지 배포 기본적으로 웹 서버로 이동하여 HTML 페이지를 렌더링 웹 서버 nginx 이미지 가져오기 index.html 파일을 준비 nginx 이미지를 사용하여 Docker 컨테이너에 로드 Dockerfile 생성 도커파일은 확장자가 없음 Dockerfile 이미지 생성 도커파일은 확장자가 없음 컨테이너를 생성 및 실행</p>
<p>The post <a href="https://lycos7560.com/docker/docker%ec%97%90%ec%84%9c-html-%ed%8e%98%ec%9d%b4%ec%a7%80-%eb%b0%b0%ed%8f%ac/40200/">Docker에서 HTML 페이지 배포</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
]]></description>
										<content:encoded><![CDATA[				<div class="wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-df0e6530      "
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							목차						</div>
																						<div class="uagb-toc__list-wrap ">
						<ol class="uagb-toc__list"><li class="uagb-toc__list"><a href="#docker에서-html-페이지-배포" class="uagb-toc-link__trigger">Docker에서 HTML 페이지 배포</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#웹-서버-nginx-이미지-가져오기" class="uagb-toc-link__trigger">웹 서버 nginx 이미지 가져오기</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#indexhtml-파일을-준비" class="uagb-toc-link__trigger">index.html 파일을 준비</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#nginx-이미지를-사용하여-docker-컨테이너에-로드" class="uagb-toc-link__trigger">nginx 이미지를 사용하여 Docker 컨테이너에 로드</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#dockerfile-생성" class="uagb-toc-link__trigger">Dockerfile 생성</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#dockerfile-이미지-생성" class="uagb-toc-link__trigger">Dockerfile 이미지 생성</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#컨테이너를-생성-및-실행" class="uagb-toc-link__trigger">컨테이너를 생성 및 실행</a></ul></ul></ol>					</div>
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				</div>
			


<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">Docker에서 HTML 페이지 배포</h2>



<p>기본적으로 웹 서버로 이동하여 HTML 페이지를 렌더링</p>



<h3 class="wp-block-heading">웹 서버 nginx 이미지 가져오기</h3>



<figure class="wp-block-image size-full"><img fetchpriority="high" decoding="async" width="1874" height="867" src="https://lycos7560.com/wp-content/uploads/2025/08/image.png" alt="" class="wp-image-40201" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image.png 1874w, https://lycos7560.com/wp-content/uploads/2025/08/image-300x139.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-768x355.png 768w, https://lycos7560.com/wp-content/uploads/2025/08/image-1536x711.png 1536w" sizes="(max-width: 1874px) 100vw, 1874px" /></figure>



<figure class="wp-block-image size-full"><img decoding="async" width="664" height="250" src="https://lycos7560.com/wp-content/uploads/2025/08/image-1.png" alt="" class="wp-image-40202" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-1.png 664w, https://lycos7560.com/wp-content/uploads/2025/08/image-1-300x113.png 300w" sizes="(max-width: 664px) 100vw, 664px" /></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker pull nginx</pre>



<div style="height:20px" aria-hidden="true" class="wp-block-spacer"></div>



<figure class="wp-block-image size-full"><img decoding="async" width="1761" height="476" src="https://lycos7560.com/wp-content/uploads/2025/08/image-2.png" alt="" class="wp-image-40203" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-2.png 1761w, https://lycos7560.com/wp-content/uploads/2025/08/image-2-300x81.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-2-768x208.png 768w, https://lycos7560.com/wp-content/uploads/2025/08/image-2-1536x415.png 1536w" sizes="(max-width: 1761px) 100vw, 1761px" /></figure>



<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">index.html 파일을 준비</h3>



<figure class="wp-block-image size-full"><img decoding="async" width="801" height="342" src="https://lycos7560.com/wp-content/uploads/2025/08/image-3.png" alt="" class="wp-image-40204" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-3.png 801w, https://lycos7560.com/wp-content/uploads/2025/08/image-3-300x128.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-3-768x328.png 768w" sizes="(max-width: 801px) 100vw, 801px" /></figure>



<div style="height:15px" aria-hidden="true" class="wp-block-spacer"></div>



<pre class="EnlighterJSRAW" data-enlighter-language="html" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">&lt;!DOCTYPE html>
&lt;html lang="ko">
&lt;head>
  &lt;meta charset="UTF-8">
  &lt;title>테스트 페이지&lt;/title>
  &lt;style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f0f0f0;
      text-align: center;
      padding: 50px;
    }
    h1 {
      color: #333;
    }
    button {
      padding: 10px 20px;
      font-size: 16px;
    }
  &lt;/style>
&lt;/head>
&lt;body>
  &lt;h1>HTML 테스트 페이지&lt;/h1>
  &lt;p>이 페이지는 테스트용으로 생성되었습니다.&lt;/p>
  &lt;button onclick="alert('버튼이 클릭되었습니다!')">클릭해보세요&lt;/button>
&lt;/body>
&lt;/html></pre>



<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">nginx 이미지를 사용하여 Docker 컨테이너에 로드</h3>



<h4 class="wp-block-heading">Dockerfile 생성</h4>



<p>도커파일은 확장자가 없음</p>



<figure class="wp-block-image size-full"><img decoding="async" width="631" height="251" src="https://lycos7560.com/wp-content/uploads/2025/08/image-5.png" alt="" class="wp-image-40208" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-5.png 631w, https://lycos7560.com/wp-content/uploads/2025/08/image-5-300x119.png 300w" sizes="(max-width: 631px) 100vw, 631px" /></figure>



<div style="height:10px" aria-hidden="true" class="wp-block-spacer"></div>



<pre class="EnlighterJSRAW" data-enlighter-language="raw" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">FROM nginx
COPY ./SampleWebApp/ /usr/share/nginx/html</pre>



<div style="height:10px" aria-hidden="true" class="wp-block-spacer"></div>



<figure class="wp-block-image size-full"><img decoding="async" width="1233" height="922" src="https://lycos7560.com/wp-content/uploads/2025/08/image-4.png" alt="" class="wp-image-40207" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-4.png 1233w, https://lycos7560.com/wp-content/uploads/2025/08/image-4-300x224.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-4-768x574.png 768w" sizes="(max-width: 1233px) 100vw, 1233px" /></figure>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h4 class="wp-block-heading">Dockerfile 이미지 생성</h4>



<p>도커파일은 확장자가 없음</p>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">cd C:\Users\IKHO\Desktop\Docker 
// dockerfile 위치로 이동

ls 
// 파일 목록 확인

docker build -t sample_web_app:1.0.0 .
// docker build: 현재 디렉터리에 있는 Dockerfile을 기반으로 Docker 이미지를 만들라는 명령입니다.
// -t sample_web_app:1.0.0: 생성될 이미지의 이름과 태그를 지정합니다.
// sample_web_app이 이미지 이름
// 1.0.0은 버전 또는 태그 (나중에 버전별로 관리할 때 유용)
</pre>



<div style="height:10px" aria-hidden="true" class="wp-block-spacer"></div>



<figure class="wp-block-image size-full"><img decoding="async" width="1328" height="605" src="https://lycos7560.com/wp-content/uploads/2025/08/image-6.png" alt="" class="wp-image-40209" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-6.png 1328w, https://lycos7560.com/wp-content/uploads/2025/08/image-6-300x137.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-6-768x350.png 768w" sizes="(max-width: 1328px) 100vw, 1328px" /></figure>



<div style="height:10px" aria-hidden="true" class="wp-block-spacer"></div>



<div class="wp-block-uagb-container uagb-block-87046324 alignfull uagb-is-root-container"><div class="uagb-container-inner-blocks-wrap">
<div class="wp-block-uagb-container uagb-block-fa3865a3">
<figure class="wp-block-image size-full"><img decoding="async" width="1758" height="484" src="https://lycos7560.com/wp-content/uploads/2025/08/image-7.png" alt="" class="wp-image-40210" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-7.png 1758w, https://lycos7560.com/wp-content/uploads/2025/08/image-7-300x83.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-7-768x211.png 768w, https://lycos7560.com/wp-content/uploads/2025/08/image-7-1536x423.png 1536w" sizes="(max-width: 1758px) 100vw, 1758px" /></figure>
</div>



<div class="wp-block-uagb-container uagb-block-91139572">
<figure class="wp-block-image size-full"><img decoding="async" width="539" height="119" src="https://lycos7560.com/wp-content/uploads/2025/08/image-8.png" alt="" class="wp-image-40211" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-8.png 539w, https://lycos7560.com/wp-content/uploads/2025/08/image-8-300x66.png 300w" sizes="(max-width: 539px) 100vw, 539px" /></figure>
</div>
</div></div>



<div style="height:10px" aria-hidden="true" class="wp-block-spacer"></div>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h4 class="wp-block-heading">컨테이너를 생성 및 실행</h4>



<pre class="EnlighterJSRAW" data-enlighter-language="bash" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker run --name sample_web_app-container -p 9000:80 sample_web_app:1.0.0
// docker run   : 새로운 컨테이너를 생성하고 실행합니다
// --name sample_web_app-container   : 컨테이너의 이름을 sample_web_app-container로 설정합니다
// -p 9000:80   : 포트 매핑: 호스트의 9000 포트를 컨테이너의 80 포트에 연결합니다 (외부에서 localhost:9000으로 접근 가능)
// sample_web_app:1.0.0   : sample_web_app라는 이름과 1.0.0 태그가 붙은 이미지를 기반으로 컨테이너를 생성합니다



http://127.0.0.1:9000/</pre>



<figure class="wp-block-image size-full"><img decoding="async" width="1333" height="641" src="https://lycos7560.com/wp-content/uploads/2025/08/image-9.png" alt="" class="wp-image-40213" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-9.png 1333w, https://lycos7560.com/wp-content/uploads/2025/08/image-9-300x144.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-9-768x369.png 768w" sizes="(max-width: 1333px) 100vw, 1333px" /></figure>



<figure class="wp-block-image size-full"><img decoding="async" width="2230" height="933" src="https://lycos7560.com/wp-content/uploads/2025/08/image-11.png" alt="" class="wp-image-40215" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-11.png 2230w, https://lycos7560.com/wp-content/uploads/2025/08/image-11-300x126.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-11-768x321.png 768w, https://lycos7560.com/wp-content/uploads/2025/08/image-11-1536x643.png 1536w, https://lycos7560.com/wp-content/uploads/2025/08/image-11-2048x857.png 2048w" sizes="(max-width: 2230px) 100vw, 2230px" /></figure>



<figure class="wp-block-image size-full"><img decoding="async" width="1754" height="491" src="https://lycos7560.com/wp-content/uploads/2025/08/image-10.png" alt="" class="wp-image-40214" srcset="https://lycos7560.com/wp-content/uploads/2025/08/image-10.png 1754w, https://lycos7560.com/wp-content/uploads/2025/08/image-10-300x84.png 300w, https://lycos7560.com/wp-content/uploads/2025/08/image-10-768x215.png 768w, https://lycos7560.com/wp-content/uploads/2025/08/image-10-1536x430.png 1536w" sizes="(max-width: 1754px) 100vw, 1754px" /></figure>
<p>The post <a href="https://lycos7560.com/docker/docker%ec%97%90%ec%84%9c-html-%ed%8e%98%ec%9d%b4%ec%a7%80-%eb%b0%b0%ed%8f%ac/40200/">Docker에서 HTML 페이지 배포</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
]]></content:encoded>
					
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		<item>
		<title>기본적인 Docker 명령어 연습</title>
		<link>https://lycos7560.com/docker/%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9d%b8-docker-%eb%aa%85%eb%a0%b9%ec%96%b4-%ec%97%b0%ec%8a%b5/40181/</link>
					<comments>https://lycos7560.com/docker/%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9d%b8-docker-%eb%aa%85%eb%a0%b9%ec%96%b4-%ec%97%b0%ec%8a%b5/40181/#respond</comments>
		
		<dc:creator><![CDATA[lycos7560]]></dc:creator>
		<pubDate>Wed, 30 Jul 2025 14:02:17 +0000</pubDate>
				<category><![CDATA[Docker]]></category>
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		<guid isPermaLink="false">https://lycos7560.com/?p=40181</guid>

					<description><![CDATA[<p>기본적인 Docker 명령어 항목 의미 docker run 새로운 컨테이너를 생성하고 실행 -d Detached mode → 백그라운드에서 실행 ubuntu 사용할 이미지 이름 (없으면 자동으로 Docker Hub에서 pull함) sleep 10 컨테이너 내부에서 실행할 명령어 (10초 동안 대기) .NET Image 추가 두 항목의 IMAGE ID가 동일REPOSITORY: mcr.microsoft.com/dotnet/sdkTAG: 9.0 → IMAGE ID: 08fe223b9022TAG: latest → IMAGE ID: 08fe223b9022이유: latest [&#8230;]</p>
<p>The post <a href="https://lycos7560.com/docker/%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9d%b8-docker-%eb%aa%85%eb%a0%b9%ec%96%b4-%ec%97%b0%ec%8a%b5/40181/">기본적인 Docker 명령어 연습</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
]]></description>
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							목차						</div>
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						<ol class="uagb-toc__list"><li class="uagb-toc__list"><a href="#기본적인-docker-명령어" class="uagb-toc-link__trigger">기본적인 Docker 명령어</a><li class="uagb-toc__list"><a href="#net-image-추가" class="uagb-toc-link__trigger">.NET Image 추가</a></ol>					</div>
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<h2 class="wp-block-heading">기본적인 Docker 명령어</h2>



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<figure class="wp-block-image size-full"><img decoding="async" width="694" height="521" src="https://lycos7560.com/wp-content/uploads/2025/07/image-24.png" alt="" class="wp-image-40182" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-24.png 694w, https://lycos7560.com/wp-content/uploads/2025/07/image-24-300x225.png 300w" sizes="(max-width: 694px) 100vw, 694px" /></figure>
</div>



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<figure class="wp-block-image size-full"><img decoding="async" width="1876" height="938" src="https://lycos7560.com/wp-content/uploads/2025/07/image-25.png" alt="" class="wp-image-40183" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-25.png 1876w, https://lycos7560.com/wp-content/uploads/2025/07/image-25-300x150.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-25-768x384.png 768w, https://lycos7560.com/wp-content/uploads/2025/07/image-25-1536x768.png 1536w" sizes="(max-width: 1876px) 100vw, 1876px" /></figure>
</div>
</div></div>



<div class="wp-block-uagb-container uagb-block-1d798c28 alignfull uagb-is-root-container"><div class="uagb-container-inner-blocks-wrap">
<div class="wp-block-uagb-container uagb-block-c832cc9d">
<figure class="wp-block-image size-full"><img decoding="async" width="969" height="505" src="https://lycos7560.com/wp-content/uploads/2025/07/image-26.png" alt="" class="wp-image-40184" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-26.png 969w, https://lycos7560.com/wp-content/uploads/2025/07/image-26-300x156.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-26-768x400.png 768w" sizes="(max-width: 969px) 100vw, 969px" /><figcaption class="wp-element-caption">PowerShell 에서 Docker 버전 확인</figcaption></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker --version</pre>
</div>



<div class="wp-block-uagb-container uagb-block-7b55c5ea">
<figure class="wp-block-image size-full"><img decoding="async" width="549" height="472" src="https://lycos7560.com/wp-content/uploads/2025/07/image-27.png" alt="" class="wp-image-40186" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-27.png 549w, https://lycos7560.com/wp-content/uploads/2025/07/image-27-300x258.png 300w" sizes="(max-width: 549px) 100vw, 549px" /></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// Docker Hub에서 hello-world 이미지를 다운로드하는 명령어
docker pull hello-world</pre>



<figure class="wp-block-image size-full"><img decoding="async" width="901" height="241" src="https://lycos7560.com/wp-content/uploads/2025/07/image-28.png" alt="" class="wp-image-40187" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-28.png 901w, https://lycos7560.com/wp-content/uploads/2025/07/image-28-300x80.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-28-768x205.png 768w" sizes="(max-width: 901px) 100vw, 901px" /><figcaption class="wp-element-caption">처음에는 docker를 잠시 멈추어 놓아서 실패</figcaption></figure>
</div>
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<figure class="wp-block-image size-full"><img decoding="async" width="887" height="297" src="https://lycos7560.com/wp-content/uploads/2025/07/image-29.png" alt="" class="wp-image-40188" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-29.png 887w, https://lycos7560.com/wp-content/uploads/2025/07/image-29-300x100.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-29-768x257.png 768w" sizes="(max-width: 887px) 100vw, 887px" /><figcaption class="wp-element-caption">다운로드 완료 후 이미지 확인</figcaption></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker images</pre>
</div>



<div class="wp-block-uagb-container uagb-block-10c0d61c">
<figure class="wp-block-image size-full"><img decoding="async" width="1380" height="490" src="https://lycos7560.com/wp-content/uploads/2025/07/image-30.png" alt="" class="wp-image-40189" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-30.png 1380w, https://lycos7560.com/wp-content/uploads/2025/07/image-30-300x107.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-30-768x273.png 768w" sizes="(max-width: 1380px) 100vw, 1380px" /><figcaption class="wp-element-caption">Desktop에서도 확인이 가능하</figcaption></figure>
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<div class="wp-block-uagb-container uagb-block-5f7b883f alignfull uagb-is-root-container"><div class="uagb-container-inner-blocks-wrap">
<div class="wp-block-uagb-container uagb-block-f890a406">
<figure class="wp-block-image size-full"><img decoding="async" width="668" height="440" src="https://lycos7560.com/wp-content/uploads/2025/07/image-31.png" alt="" class="wp-image-40190" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-31.png 668w, https://lycos7560.com/wp-content/uploads/2025/07/image-31-300x198.png 300w" sizes="(max-width: 668px) 100vw, 668px" /><figcaption class="wp-element-caption">hello-world 이미지 실행</figcaption></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker run hello-world</pre>
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<div class="wp-block-uagb-container uagb-block-17c9d70c">
<figure class="wp-block-image size-full"><img decoding="async" width="1181" height="230" src="https://lycos7560.com/wp-content/uploads/2025/07/image-32.png" alt="" class="wp-image-40191" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-32.png 1181w, https://lycos7560.com/wp-content/uploads/2025/07/image-32-300x58.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-32-768x150.png 768w" sizes="(max-width: 1181px) 100vw, 1181px" /></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">// 실행 중인 컨테이너 목록만 출력
docker ps

모든 컨테이너 목록 출력
// 중지된, 종료된, 에러 난 컨테이너도 포함해서 모두 보여줌
docker ps -a</pre>
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<figure class="wp-block-image size-full"><img decoding="async" width="1105" height="477" src="https://lycos7560.com/wp-content/uploads/2025/07/image-33.png" alt="" class="wp-image-40192" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-33.png 1105w, https://lycos7560.com/wp-content/uploads/2025/07/image-33-300x130.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-33-768x332.png 768w" sizes="(max-width: 1105px) 100vw, 1105px" /><figcaption class="wp-element-caption">이미지를 제거하려면 실행중인 container를 모두 제거해야한다.</figcaption></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker ps // 컨테이너 확인
docker ps -a // 모든 컨테이너 확인
docker rm 5fea
docker rm 6c465
docker rm 0fe
docker rm 1957
docker ps -a // 모든 컨테이너 확인
docker images // 이미지 검색
docker rmi ec1538 // 이미지 제거</pre>
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<div class="wp-block-uagb-container uagb-block-0047b3d5">
<figure class="wp-block-image size-full"><img decoding="async" width="1309" height="525" src="https://lycos7560.com/wp-content/uploads/2025/07/image-34.png" alt="" class="wp-image-40193" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-34.png 1309w, https://lycos7560.com/wp-content/uploads/2025/07/image-34-300x120.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-34-768x308.png 768w" sizes="(max-width: 1309px) 100vw, 1309px" /><figcaption class="wp-element-caption">이미지 제거 적용됨</figcaption></figure>
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<figure class="wp-block-image size-full"><img decoding="async" width="982" height="256" src="https://lycos7560.com/wp-content/uploads/2025/07/image-36.png" alt="" class="wp-image-40195" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-36.png 982w, https://lycos7560.com/wp-content/uploads/2025/07/image-36-300x78.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-36-768x200.png 768w" sizes="(max-width: 982px) 100vw, 982px" /></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker run -d ubuntu sleep 10</pre>



<figure class="wp-block-table"><table class="has-fixed-layout"><thead><tr><th>항목</th><th>의미</th></tr></thead><tbody><tr><td><code>docker run</code></td><td>새로운 컨테이너를 생성하고 실행</td></tr><tr><td><code>-d</code></td><td><strong>Detached mode</strong> → 백그라운드에서 실행</td></tr><tr><td><code>ubuntu</code></td><td>사용할 이미지 이름 (없으면 자동으로 Docker Hub에서 pull함)</td></tr><tr><td><code>sleep 10</code></td><td>컨테이너 내부에서 실행할 명령어 (10초 동안 대기)</td></tr></tbody></table></figure>
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<h2 class="wp-block-heading">.NET Image 추가</h2>



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<figure class="wp-block-image size-full"><img decoding="async" width="1824" height="1016" src="https://lycos7560.com/wp-content/uploads/2025/07/image-37.png" alt="" class="wp-image-40196" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-37.png 1824w, https://lycos7560.com/wp-content/uploads/2025/07/image-37-300x167.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-37-768x428.png 768w, https://lycos7560.com/wp-content/uploads/2025/07/image-37-1536x856.png 1536w" sizes="(max-width: 1824px) 100vw, 1824px" /><figcaption class="wp-element-caption"><a href="https://hub.docker.com/r/microsoft/dotnet-sdk" target="_blank" rel="noreferrer noopener">https://hub.docker.com/r/microsoft/dotnet-sdk</a></figcaption></figure>



<pre class="EnlighterJSRAW" data-enlighter-language="powershell" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">docker pull mcr.microsoft.com/dotnet/sdk:8.0
docker images</pre>
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<figure class="wp-block-image size-full is-resized"><img decoding="async" width="763" height="165" src="https://lycos7560.com/wp-content/uploads/2025/07/image-39.png" alt="" class="wp-image-40198" style="width:763px;height:auto" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-39.png 763w, https://lycos7560.com/wp-content/uploads/2025/07/image-39-300x65.png 300w" sizes="(max-width: 763px) 100vw, 763px" /></figure>



<p>두 항목의 <strong><code>IMAGE ID</code>가 동일</strong><br>REPOSITORY: mcr.microsoft.com/dotnet/sdk<br>TAG: 9.0 → IMAGE ID: 08fe223b9022<br>TAG: latest → IMAGE ID: 08fe223b9022<br>이유: <code>latest</code> 태그는 <strong>별칭(alias)</strong> 이기 때문이다<br>도커에서 태그(<code>TAG</code>)는 특정 이미지 버전을 <strong>지칭하는 이름</strong>일 뿐이며, <strong>동일한 이미지에 여러 개의 태그를 붙일 수 있습니다.</strong><br>=> <code>9.0</code> 버전의 이미지에 <code>latest</code>라는 이름을 <strong>추가로 붙여 놓은 것</strong></p>
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<p></p>
<p>The post <a href="https://lycos7560.com/docker/%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9d%b8-docker-%eb%aa%85%eb%a0%b9%ec%96%b4-%ec%97%b0%ec%8a%b5/40181/">기본적인 Docker 명령어 연습</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
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		<title>Docker / Virtual Machine 차이점</title>
		<link>https://lycos7560.com/docker/docker-virtual-machine-%ec%b0%a8%ec%9d%b4%ec%a0%90/40173/</link>
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		<pubDate>Wed, 30 Jul 2025 12:57:01 +0000</pubDate>
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					<description><![CDATA[<p>현대 소프트웨어 개발에서 가상화 기술은 필수적인 요소입니다. 전통적인 가상머신(Virtual Machine)과 Docker 컨테이너 기술의 차이점을 알아봅니다. 1. 아키텍처 비교 1.1 Virtual Machine 아키텍처 Virtual Machine은 다음과 같은 계층 구조를 가집니다: 특징: 1.2 Docker 아키텍처 Docker는 다음과 같은 경량화된 구조를 가집니다: 특징: 2. 핵심 차이점 분석 2.1 운영체제 레이어 구분 Virtual Machine Docker Guest OS 필수 불필요 [&#8230;]</p>
<p>The post <a href="https://lycos7560.com/docker/docker-virtual-machine-%ec%b0%a8%ec%9d%b4%ec%a0%90/40173/">Docker / Virtual Machine 차이점</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
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						<ol class="uagb-toc__list"><li class="uagb-toc__list"><a href="#1-아키텍처-비교" class="uagb-toc-link__trigger">1. 아키텍처 비교</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#11-virtual-machine-아키텍처" class="uagb-toc-link__trigger">1.1 Virtual Machine 아키텍처</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#12-docker-아키텍처" class="uagb-toc-link__trigger">1.2 Docker 아키텍처</a></li></ul></li><li class="uagb-toc__list"><a href="#2-핵심-차이점-분석" class="uagb-toc-link__trigger">2. 핵심 차이점 분석</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#21-운영체제-레이어" class="uagb-toc-link__trigger">2.1 운영체제 레이어</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#22-리소스-사용량" class="uagb-toc-link__trigger">2.2 리소스 사용량</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#virtual-machine" class="uagb-toc-link__trigger">Virtual Machine</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#docker" class="uagb-toc-link__trigger">Docker</a></li></ul><li class="uagb-toc__list"><a href="#23-성능-비교" class="uagb-toc-link__trigger">2.3 성능 비교</a></li></ul></li></ul></li><li class="uagb-toc__list"><a href="#3-장단점-비교" class="uagb-toc-link__trigger">3. 장단점 비교</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#31-virtual-machine" class="uagb-toc-link__trigger">3.1 Virtual Machine</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#장점" class="uagb-toc-link__trigger">장점</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#단점" class="uagb-toc-link__trigger">단점</a></li></ul><li class="uagb-toc__list"><a href="#32-docker" class="uagb-toc-link__trigger">3.2 Docker</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#장점" class="uagb-toc-link__trigger">장점</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#단점" class="uagb-toc-link__trigger">단점</a></li></ul></li></ul></li></ul></li></ul></li><li class="uagb-toc__list"><a href="#4-사용-사례별-권장사항" class="uagb-toc-link__trigger">4. 사용 사례별 권장사항</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#41-virtual-machine이-적합한-경우" class="uagb-toc-link__trigger">4.1 Virtual Machine이 적합한 경우</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#42-docker가-적합한-경우" class="uagb-toc-link__trigger">4.2 Docker가 적합한 경우</a></li></ul></li></ul></li></ul></li></ul></li></ul></li><li class="uagb-toc__list"><a href="#5-하이브리드-접근법" class="uagb-toc-link__trigger">5. 하이브리드 접근법</a><ul class="uagb-toc__list"><li class="uagb-toc__list"><a href="#51-vm-위의-docker" class="uagb-toc-link__trigger">5.1 VM 위의 Docker</a><li class="uagb-toc__list"><li class="uagb-toc__list"><a href="#52-클라우드-환경" class="uagb-toc-link__trigger">5.2 클라우드 환경</a></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li><li class="uagb-toc__list"><a href="#6-결론" class="uagb-toc-link__trigger">6. 결론</a></ul></ul></ul></ul></ul></ul></ol>					</div>
									</div>
				</div>
			


<div style="height:50px" aria-hidden="true" class="wp-block-spacer"></div>



<p>현대 소프트웨어 개발에서 가상화 기술은 필수적인 요소입니다.</p>



<p>전통적인 가상머신(Virtual Machine)과 Docker 컨테이너 기술의 차이점을 알아봅니다.</p>



<figure class="wp-block-image size-full"><img decoding="async" width="1668" height="710" src="https://lycos7560.com/wp-content/uploads/2025/07/image-20.png" alt="" class="wp-image-40174" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-20.png 1668w, https://lycos7560.com/wp-content/uploads/2025/07/image-20-300x128.png 300w, https://lycos7560.com/wp-content/uploads/2025/07/image-20-768x327.png 768w, https://lycos7560.com/wp-content/uploads/2025/07/image-20-1536x654.png 1536w" sizes="(max-width: 1668px) 100vw, 1668px" /></figure>



<ul class="wp-block-list">
<li><strong>Infrastructure</strong> (물리적 하드웨어) </li>



<li><strong>Host OS</strong> (호스트 운영체제) </li>



<li><strong>Hypervisor</strong> (가상화 관리자) </li>



<li><strong>Guest OS</strong> (각 가상머신마다 독립된 운영체제) </li>



<li><strong>bins/lib</strong> (각 VM마다 독립된 바이너리/라이브러리) </li>



<li><strong>App 1, 2, 3</strong> (애플리케이션들)</li>
</ul>



<div style="height:20px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">1. 아키텍처 비교</h2>



<h3 class="wp-block-heading">1.1 Virtual Machine 아키텍처</h3>



<p>Virtual Machine은 다음과 같은 계층 구조를 가집니다:</p>



<figure class="wp-block-image size-full"><img decoding="async" width="765" height="723" src="https://lycos7560.com/wp-content/uploads/2025/07/image-21.png" alt="" class="wp-image-40175" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-21.png 765w, https://lycos7560.com/wp-content/uploads/2025/07/image-21-300x284.png 300w" sizes="(max-width: 765px) 100vw, 765px" /></figure>



<p><strong>특징:</strong></p>



<ul class="wp-block-list">
<li>각 가상머신은 독립된 Guest OS를 보유</li>



<li>하드웨어 가상화를 통한 완전한 격리</li>



<li>Hypervisor가 하드웨어 리소스 관리</li>
</ul>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">1.2 Docker 아키텍처</h3>



<p>Docker는 다음과 같은 경량화된 구조를 가집니다:</p>



<figure class="wp-block-image size-full"><img decoding="async" width="746" height="692" src="https://lycos7560.com/wp-content/uploads/2025/07/image-22.png" alt="" class="wp-image-40176" srcset="https://lycos7560.com/wp-content/uploads/2025/07/image-22.png 746w, https://lycos7560.com/wp-content/uploads/2025/07/image-22-300x278.png 300w" sizes="(max-width: 746px) 100vw, 746px" /></figure>



<p><strong>특징:</strong></p>



<ul class="wp-block-list">
<li>Guest OS 레이어 제거</li>



<li>Host OS 커널 공유</li>



<li>컨테이너 단위의 프로세스 격리</li>
</ul>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">2. 핵심 차이점 분석</h2>



<h3 class="wp-block-heading">2.1 운영체제 레이어</h3>



<figure class="wp-block-table"><table class="has-fixed-layout"><thead><tr><th>구분</th><th>Virtual Machine</th><th>Docker</th></tr></thead><tbody><tr><td>Guest OS</td><td>필수</td><td>불필요</td></tr><tr><td>커널</td><td>각 VM마다 독립</td><td>Host OS 커널 공유</td></tr><tr><td>부팅 과정</td><td>OS 전체 부팅</td><td>프로세스 시작</td></tr></tbody></table></figure>



<h3 class="wp-block-heading">2.2 리소스 사용량</h3>



<h4 class="wp-block-heading">Virtual Machine</h4>



<ul class="wp-block-list">
<li><strong>메모리</strong>: GB 단위 (OS + 애플리케이션)</li>



<li><strong>디스크</strong>: 수 GB ~ 수십 GB</li>



<li><strong>CPU</strong>: OS 오버헤드 포함</li>



<li><strong>네트워크</strong>: 가상 네트워크 스택</li>
</ul>



<h4 class="wp-block-heading">Docker</h4>



<ul class="wp-block-list">
<li><strong>메모리</strong>: MB 단위 (애플리케이션만)</li>



<li><strong>디스크</strong>: MB ~ GB 단위</li>



<li><strong>CPU</strong>: 최소한의 오버헤드</li>



<li><strong>네트워크</strong>: Host 네트워크 스택 공유</li>
</ul>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">2.3 성능 비교</h3>



<figure class="wp-block-table"><table class="has-fixed-layout"><thead><tr><th>항목</th><th>Virtual Machine</th><th>Docker</th></tr></thead><tbody><tr><td>시작 시간</td><td>1-5분</td><td>1-10초</td></tr><tr><td>메모리 오버헤드</td><td>높음 (OS 포함)</td><td>낮음 (애플리케이션만)</td></tr><tr><td>I/O 성능</td><td>가상화 오버헤드</td><td>네이티브에 근접</td></tr><tr><td>밀도</td><td>낮음 (서버당 수십 개)</td><td>높음 (서버당 수백-수천 개)</td></tr></tbody></table></figure>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">3. 장단점 비교</h2>



<h3 class="wp-block-heading">3.1 Virtual Machine</h3>



<h4 class="wp-block-heading">장점</h4>



<ul class="wp-block-list">
<li><strong>완전한 격리</strong>: 하드웨어 레벨의 보안 격리</li>



<li><strong>OS 다양성</strong>: 다양한 운영체제 동시 실행 가능</li>



<li><strong>성숙한 기술</strong>: 오랜 기간 검증된 안정성</li>



<li><strong>강력한 보안</strong>: 하이퍼바이저 레벨 보안</li>
</ul>



<h4 class="wp-block-heading">단점</h4>



<ul class="wp-block-list">
<li><strong>높은 리소스 사용량</strong>: OS 오버헤드</li>



<li><strong>느린 시작</strong>: 부팅 시간 필요</li>



<li><strong>관리 복잡성</strong>: 각 VM의 OS 관리 필요</li>



<li><strong>낮은 밀도</strong>: 제한적인 VM 수</li>
</ul>



<h3 class="wp-block-heading">3.2 Docker</h3>



<h4 class="wp-block-heading">장점</h4>



<ul class="wp-block-list">
<li><strong>경량성</strong>: 최소한의 리소스 사용</li>



<li><strong>빠른 시작</strong>: 초 단위 컨테이너 시작</li>



<li><strong>높은 밀도</strong>: 단일 호스트에 많은 컨테이너</li>



<li><strong>일관성</strong>: &#8220;한 번 빌드, 어디서든 실행&#8221;</li>



<li><strong>DevOps 친화적</strong>: CI/CD 파이프라인 최적화</li>
</ul>



<h4 class="wp-block-heading">단점</h4>



<ul class="wp-block-list">
<li><strong>보안 취약점</strong>: 커널 공유로 인한 잠재적 위험</li>



<li><strong>OS 제약</strong>: Linux 컨테이너는 Linux에서만</li>



<li><strong>복잡한 네트워킹</strong>: 컨테이너 간 통신 설정</li>



<li><strong>데이터 지속성</strong>: 컨테이너 재시작 시 데이터 손실 위험</li>
</ul>



<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">4. 사용 사례별 권장사항</h2>



<h3 class="wp-block-heading">4.1 Virtual Machine이 적합한 경우</h3>



<p><strong>기업 환경</strong></p>



<ul class="wp-block-list">
<li>레거시 애플리케이션 운영</li>



<li>서로 다른 OS가 필요한 환경</li>



<li>강력한 보안 격리가 필요한 경우</li>



<li>규제 준수가 중요한 산업</li>
</ul>



<p><strong>기술적 요구사항</strong></p>



<ul class="wp-block-list">
<li>Windows와 Linux 애플리케이션 동시 운영</li>



<li>커널 수준의 소프트웨어 개발</li>



<li>완전한 네트워크 격리 필요</li>



<li>다양한 OS 버전 테스트</li>
</ul>



<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>



<h3 class="wp-block-heading">4.2 Docker가 적합한 경우</h3>



<p><strong>현대적 애플리케이션 개발</strong></p>



<ul class="wp-block-list">
<li>마이크로서비스 아키텍처</li>



<li>클라우드 네이티브 애플리케이션</li>



<li>지속적 통합/배포 (CI/CD)</li>



<li>개발 환경 표준화</li>
</ul>



<p><strong>운영 효율성</strong></p>



<ul class="wp-block-list">
<li>빠른 스케일링이 필요한 서비스</li>



<li>리소스 효율성이 중요한 환경</li>



<li>개발팀 간 환경 일관성</li>



<li>컨테이너 오케스트레이션 (Kubernetes)</li>
</ul>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">5. 하이브리드 접근법</h2>



<p>많은 조직에서는 두 기술을 함께 사용합니다:</p>



<h3 class="wp-block-heading">5.1 VM 위의 Docker</h3>



<ul class="wp-block-list">
<li>VM으로 기본 격리 제공</li>



<li>VM 내에서 Docker로 애플리케이션 컨테이너화</li>



<li>보안과 효율성의 균형</li>
</ul>



<h3 class="wp-block-heading">5.2 클라우드 환경</h3>



<ul class="wp-block-list">
<li>AWS ECS, Google Cloud Run 등</li>



<li>관리형 컨테이너 서비스</li>



<li>인프라 추상화</li>
</ul>



<div style="height:25px" aria-hidden="true" class="wp-block-spacer"></div>



<h2 class="wp-block-heading">6. 결론</h2>



<p>Virtual Machine과 Docker는 각각 고유한 장점과 적용 영역을 가지고 있습니다.</p>



<p><strong>Virtual Machine</strong>은 강력한 격리와 다양한 OS 지원이 필요한 전통적인 엔터프라이즈 환경에 적합하며, </p>



<p><strong>Docker</strong>는 현대적인 클라우드 네이티브 애플리케이션 개발과 운영에 최적화되어 있습니다.</p>



<p>성공적인 시스템 설계를 위해서는 각 기술의 특성을 정확히 이해하고, 프로젝트의 요구사항에 맞는 적절한 선택을 하는 것이 중요합니다. </p>



<p>많은 경우 두 기술을 적절히 조합하여 사용하는 하이브리드 접근법이 최적의 결과를 제공할 수 있습니다.</p>
<p>The post <a href="https://lycos7560.com/docker/docker-virtual-machine-%ec%b0%a8%ec%9d%b4%ec%a0%90/40173/">Docker / Virtual Machine 차이점</a> appeared first on <a href="https://lycos7560.com">어제와 내일의 나 그 사이의 이야기</a>.</p>
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