1.

Can a container restart by itself?

Answer»
  • Yes, it is possible only while using certain DOCKER-defined policies while using the docker run command. Following are the AVAILABLE policies:

    1. Off: In this, the container won’t be restarted in case it's stopped or it fails.
    2. On-failure: Here, the container restarts by itself only when it EXPERIENCES failures not ASSOCIATED with the user.
    3. Unless-stopped: Using this policy, ensures that a container can restart only when the command is EXECUTED to stop it by the user.
    4. Always: Irrespective of the failure or stopping, the container always gets restarted in this type of policy.

    These policies can be used as:
    docker run -dit — restart [restart-policy-value] [container_name]


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