doc: Update dockerfile.md #120 61c3a6e528

docs/dockerfile.html

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 <p>这是 <a href="https://docs.docker.com/engine/reference/builder/">Dockerfile</a> 的快速参考备忘单。包含用户可以在命令行上调用以组装镜像的所有命令。</p>
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 <p>默认 <code>Dockerfile</code> 位于上下文的根目录中。</p>
 <ul>
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 <table class="auto-wrap"><thead><tr><th align="left">命令</th><th>说明</th></tr></thead><tbody><tr><td align="left"><code>FROM image</code></td><td>构建的基础镜像</td></tr><tr><td align="left"><del><code>MAINTAINER email</code></del></td><td>(已弃用)维护者的名字</td></tr><tr><td align="left"><code>COPY [--chown=&#x3C;user>:&#x3C;group>] &#x3C;src>... &#x3C;dest></code></td><td>将上下文中的路径复制到位置 <code>dest</code> 的容器中</td></tr><tr><td align="left"><code>ADD [--chown=&#x3C;user>:&#x3C;group>] &#x3C;src>... &#x3C;dest></code></td><td>与 <code>COPY</code> 相同，但解压缩存档并接受 http url。</td></tr><tr><td align="left"><code>RUN &#x3C;command></code></td><td>在容器内运行任意命令。</td></tr><tr><td align="left"><code>USER &#x3C;user>[:&#x3C;group>]</code></td><td>设置默认用户名。</td></tr><tr><td align="left"><code>WORKDIR /path/to/workdir</code></td><td>设置默认工作目录。</td></tr><tr><td align="left"><code>CMD command param1 param2</code></td><td>设置默认命令</td></tr><tr><td align="left"><code>ENV &#x3C;key>=&#x3C;value> ...</code></td><td>设置环境变量</td></tr><tr><td align="left"><code>EXPOSE &#x3C;port> [&#x3C;port>/&#x3C;protocol>...]</code></td><td>运行时侦听指定的网络端口</td></tr></tbody></table>
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-</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="docker-镜像多阶段构建"><a aria-hidden="true" tabindex="-1" href="#docker-镜像多阶段构建"><span class="icon icon-link"></span></a>Docker 镜像多阶段构建</h3><div class="wrap-body">
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+</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="dockerfile-示例"><a aria-hidden="true" tabindex="-1" href="#dockerfile-示例"><span class="icon icon-link"></span></a>Dockerfile 示例</h2><div class="wrap-body">
+<!--rehype:body-class=cols-2-->
+</div></div><div class="h2wrap-body cols-2"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="服务静态网站的最小-docker-镜像"><a aria-hidden="true" tabindex="-1" href="#服务静态网站的最小-docker-镜像"><span class="icon icon-link"></span></a>服务静态网站的最小 Docker 镜像</h3><div class="wrap-body">
+<pre class="language-dockerfile"><code class="language-dockerfile code-highlight"><span class="code-line"><span class="token instruction"><span class="token keyword">FROM</span> lipanski/docker-static-website:latest</span>
+</span><span class="code-line"><span class="token comment"># 使用 .dockerignore 文件来控制图像中的内容！</span>
+</span><span class="code-line"><span class="token comment"># 复制当前目录内容，到容器中</span>
+</span><span class="code-line"><span class="token instruction"><span class="token keyword">COPY</span> ./ .</span>
+</span></code></pre>
+<p>这会产生一个 <strong><code>154KB +</code></strong> 的单层镜像。 如果您需要以不同的方式配置 <code>httpd</code>，您可以覆盖 CMD 行：</p>
+<pre class="language-dockerfile"><code class="language-dockerfile code-highlight"><span class="code-line"><span class="token instruction"><span class="token keyword">FROM</span> lipanski/docker-static-website:latest</span>
+</span><span class="code-line"><span class="token instruction"><span class="token keyword">COPY</span> . .</span>
+</span><span class="code-line">
+</span><span class="code-line"><span class="token instruction"><span class="token keyword">CMD</span> [<span class="token string">"/busybox"</span>,<span class="token string">"httpd"</span>,<span class="token string">"-f"</span>,<span class="token string">"-v"</span>,<span class="token string">"-p"</span>,<span class="token string">"3000"</span>,<span class="token string">"-c"</span>,<span class="token string">"httpd.conf"</span>]</span>
+</span></code></pre>
+<p>缩小镜像过程<a href="https://lipanski.com/posts/smallest-docker-image-static-website">查看原文</a>，镜像 <a href="https://github.com/lipanski/docker-static-website">Dockerfile 源码</a>。</p>
+</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="docker-镜像多阶段构建"><a aria-hidden="true" tabindex="-1" href="#docker-镜像多阶段构建"><span class="icon icon-link"></span></a>Docker 镜像多阶段构建</h3><div class="wrap-body">
 <pre class="wrap-text "><code class="language-dockerfile code-highlight"><span class="code-line"><span class="token instruction"><span class="token keyword">FROM</span> golang:alpine <span class="token keyword">as</span> builder</span>
 </span><span class="code-line"><span class="token instruction"><span class="token keyword">RUN</span> apk --no-cache add git</span>
 </span><span class="code-line"><span class="token instruction"><span class="token keyword">WORKDIR</span> /go/src/github.com/go/helloworld/</span>

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 <p>如果你有资源，可以很方便部署 web 版，这非常简单，只需要克隆 gh-pages 分支代码到你的静态服务就可以了，还可以使用 <a href="https://hub.docker.com/r/wcjiang/reference">docker</a> 快捷部署 web 版。</p>
 
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