Ajeet Raina Follow Ajeet Singh Raina is a former Docker Captain, Community Leader and Distinguished Arm Ambassador. He is a founder of Collabnix blogging site and has authored more than 700+ blogs on Docker, Kubernetes and Cloud-Native Technology. He runs a community Slack of 9800+ members and discord server close to 2600+ members. You can follow him on Twitter(@ajeetsraina).

How to enable Docker behind the firewall?

10th April 2015 19 sec read

Are you working in restricted corporate environment? Are you looking for how to run Docker behind the firewall.You can always specify an HTTP proxy for docker to use via an environment variable.

First, create a directory for drop-in configuration for docker:

#mkdir /etc/systemd/system/docker.service.d

Now, create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the environment variable:

[Service]
Environment=”HTTP_PROXY=http://proxy.example.com:8080″
To apply the change, reload the unit and restart docker:

systemctl daemon-reload
systemctl restart docker

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