Docker Cookbook - Second Edition

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In this recipe, we used the --tlscacert, --tlscert, and --tlskey options of docker command to connect to the TLS enabled Docker daemon. Invoking the docker command using such a long list of options is quite klutzy. However, we can get around this issue by doing the following:

1. Copy the ca.pem, cert.pem, and key.pem files to the user's $HOME/.docker directory.
2. Modify the file ownership to that user using the chown command.
3. Set DOCKER_HOST to the daemon address as shown here:

          $ export DOCKER_HOST=tcp://127.0.0.1:2376    

4. Set DOCKER_TLS_VERIFY to 1, as shown here:

          $ export DOCKER_TLS_VERIFY=1    

Now, you can run the docker command as if you were running it on the Unix socket.

In this recipe, we launched the Docker daemon from ...