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<h1>Remote hosts</h1>
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<p>By default, watchtower is set-up to monitor the local Docker daemon (the same daemon running the watchtower container itself). However, it is possible to configure watchtower to monitor a remote Docker endpoint. When starting the watchtower container you can specify a remote Docker endpoint with either the <code>--host</code> flag or the <code>DOCKER_HOST</code> environment variable:</p>
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<pre><code class="bash">docker run -d \
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--name watchtower \
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containrrr/watchtower --host "tcp://10.0.1.2:2375"
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</code></pre>
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<p>or</p>
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<pre><code class="bash">docker run -d \
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--name watchtower \
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-e DOCKER_HOST="tcp://10.0.1.2:2375" \
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containrrr/watchtower
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</code></pre>
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<p>Note in both of the examples above that it is unnecessary to mount the <em>/var/run/docker.sock</em> into the watchtower container.</p>
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