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md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc"><a href="./" title="Secure connections" class="md-nav__link md-nav__link--active">Secure connections</a></li><li class="md-nav__item"><a href="../stop-signals/" title="Stop signals" class="md-nav__link">Stop signals</a></li></ul></nav></div></div></div><div class="md-content"><article class="md-content__inner md-typeset"><a href="https://github.com/containrrr/watchtower/edit/master/docs/secure-connections.md" title="Edit this page" class="md-icon md-content__icon"></a><h1>Secure connections</h1><p>Watchtower is also capable of connecting to Docker endpoints which are protected by SSL/TLS. If you've used <em>docker-machine</em> to provision your remote Docker host, you simply need to volume mount the certificates generated by <em>docker-machine</em> into the watchtower container and optionally specify <code>--tlsverify</code> flag.</p>
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<p>The <em>docker-machine</em> certificates for a particular host can be located by executing the <code>docker-machine env</code> command for the desired host (note the values for the <code>DOCKER_HOST</code> and <code>DOCKER_CERT_PATH</code> environment variables that are returned from this command). The directory containing the certificates for the remote host needs to be mounted into the watchtower container at <em>/etc/ssl/docker</em>.</p>
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<p>With the certificates mounted into the watchtower container you need to specify the <code>--tlsverify</code> flag to enable verification of the certificate:</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=$DOCKER_HOST \
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-e DOCKER_CERT_PATH=/etc/ssl/docker \
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-v $DOCKER_CERT_PATH:/etc/ssl/docker \
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containrrr/watchtower --tlsverify
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</code></pre></article></div></div></main><footer class="md-footer"><div class="md-footer-nav"><nav class="md-footer-nav__inner md-grid"><a href="../remote-hosts/" title="Remote hosts" class="md-flex md-footer-nav__link md-footer-nav__link--prev" rel="prev"><div class="md-flex__cell md-flex__cell--shrink"><i class="md-icon md-icon--arrow-back md-footer-nav__button"></i></div><div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"><span class="md-flex__ellipsis"><span class="md-footer-nav__direction">Previous</span>Remote hosts</span></div></a><a href="../stop-signals/" title="Stop signals" class="md-flex md-footer-nav__link md-footer-nav__link--next" rel="next"><div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"><span class="md-flex__ellipsis"><span class="md-footer-nav__direction">Next</span>Stop signals</span></div><div class="md-flex__cell md-flex__cell--shrink"><i class="md-icon md-icon--arrow-forward md-footer-nav__button"></i></div></a></nav></div><div class="md-footer-meta md-typeset"><div class="md-footer-meta__inner md-grid"><div class="md-footer-copyright">powered by <a href="https://www.mkdocs.org">MkDocs</a> and <a href="https://squidfunk.github.io/mkdocs-material/">Material for MkDocs</a></div></div></div></footer></div><script src="../assets/javascripts/application.b260a35d.js"></script><script>app.initialize({version:"1.0.4",url:{base:".."}})</script></body></html> |