Container
Persistence
The image's top layer can be written, but not kept!
Stopping the container means the total loss of data.
Persistence is achieved through external resources.
Bind mount: path to the host.
Volume: managed has a Docker resource.
External: iSCSI, Database, NFS, etc.
Container Network
Containers execute a configuration in a specific network.
without an ingress network added by omission.
Typical network mechanisms:
Bridge: virtual switch.
Host: network only between the host and the container.
None: completely isolated-
Services inside containers cannot provide services to other applications.
It is necessary to explicitly expose the services.
Additionally
Docker Compose.
Orchestration of Docker containers.
Kubernetes.
Orchestrator.
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