What are Docker container restart policies?
Docker container restart policies are rules that determine how a container should be restarted when it exits. They help ensure that your applications remain available.
Can you explain the different types of restart policies?
Sure! The main types are 'no', 'always', 'unless-stopped', and 'on-failure'. Each serves a different purpose depending on your needs.
What does the 'on-failure' policy do?
The 'on-failure' policy restarts the container only if it exits with a non-zero exit code, indicating 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 your_image
.
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