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<div class="section" id="docker">
<h1>Docker<a class="headerlink" href="#docker" title="Permalink to this headline">¶</a></h1>
<div class="section" id="quick-start-with-docker">
<h2>Quick start with Docker<a class="headerlink" href="#quick-start-with-docker" title="Permalink to this headline">¶</a></h2>
<ol>
<li><p>Delete the existing <code class="docutils literal notranslate"><span class="pre">arthas-demo</span></code> docker container (not necessary)</p>
<div class="highlight-sh notranslate"><div class="highlight hljs"><pre class="sh">$ docker stop arthas-demo || true && docker rm arthas-demo || true</pre></div>
</div>
</li>
<li><p>Start <code class="docutils literal notranslate"><span class="pre">arthas-demo</span></code></p>
<div class="highlight-sh notranslate"><div class="highlight hljs"><pre class="sh">$ docker run --name arthas-demo -it hengyunabc/arthas:latest /bin/sh -c "java -jar /opt/arthas/arthas-demo.jar"</pre></div>
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</li>
<li><p>Start <code class="docutils literal notranslate"><span class="pre">arthas-boot</span></code> for diagnosis</p>
<div class="highlight-sh notranslate"><div class="highlight hljs"><pre class="sh">$ docker exec -it arthas-demo /bin/sh -c "java -jar /opt/arthas/arthas-boot.jar"
* [1]: 9 jar
[INFO] arthas home: /opt/arthas
[INFO] Try to attach process 9
[INFO] Attach process 9 success.
[INFO] arthas-client connect 127.0.0.1 3658
,---. ,------. ,--------.,--. ,--. ,---. ,---.
/ O \ | .--. ''--. .--'| '--' | / O \ ' .-'
| .-. || '--'.' | | | .--. || .-. |`. `-.
| | | || |\ \ | | | | | || | | |.-' |
`--' `--'`--' '--' `--' `--' `--'`--' `--'`-----'
wiki: https://alibaba.github.io/arthas
version: 3.0.5
pid: 9
time: 2018-12-18 11:30:36</pre></div>
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<h2>Diagnose the Java process in Docker<a class="headerlink" href="#diagnose-the-java-process-in-docker" title="Permalink to this headline">¶</a></h2>
<div class="highlight-sh notranslate"><div class="highlight hljs"><pre class="sh">docker exec -it ${containerId} /bin/bash -c "wget https://alibaba.github.io/arthas/arthas-boot.jar && java -jar arthas-boot.jar"</pre></div>
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<div class="section" id="diagnose-the-java-process-in-the-container-in-k8s">
<h2>Diagnose the Java process in the container in k8s<a class="headerlink" href="#diagnose-the-java-process-in-the-container-in-k8s" title="Permalink to this headline">¶</a></h2>
<div class="highlight-sh notranslate"><div class="highlight hljs"><pre class="sh">kubectl exec -it ${pod} --container ${containerId} -- /bin/bash -c "wget https://alibaba.github.io/arthas/arthas-boot.jar && java -jar arthas-boot.jar"</pre></div>
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<div class="section" id="install-arthas-into-the-base-docker-image">
<h2>Install Arthas into the base Docker image<a class="headerlink" href="#install-arthas-into-the-base-docker-image" title="Permalink to this headline">¶</a></h2>
<p>It’s easy to install Arthas into your Docker image.</p>
<div class="highlight-default notranslate"><pre class="literal-block">FROM openjdk:8-jdk-alpine
# copy arthas
COPY --from=hengyunabc/arthas:latest /opt/arthas /opt/arthas</pre>
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<p>If you want to specify a version, you can view all the tags:</p>
<p><a class="reference external" href="https://hub.docker.com/r/hengyunabc/arthas/tags">https://hub.docker.com/r/hengyunabc/arthas/tags</a></p>
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