What is the Docker restart policy?
The Docker restart policy determines how a container should be restarted when it exits. There are several options like 'no', 'always', 'unless-stopped', and 'on-failure'.
Can you explain the 'always' restart policy?
The 'always' restart policy ensures that the container is restarted indefinitely unless it is explicitly stopped by the user.
What about the 'on-failure' policy?
The 'on-failure' policy restarts the container only if it exits with a non-zero status, which indicates an error.
How do I set a restart policy when running a container?
You can set a restart policy using the --restart
flag in the docker run
command, like this: docker run --restart always <image_name>
.
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