Ops Docker Networking Volumes

Managing persistent data and complex service-to-service communication.

jcorpac 42dd851 763 B Updated

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Docker Networking & Volumes

Containers are ephemeral; your data shouldn't be.

Volumes & Persistence

  • Named Volumes: Managed by Docker, best for databases and persistent app state.
  • Bind Mounts: Direct host-to-container mapping, best for development code.

Internal Networking

  • User-Defined Bridges: Created isolated networks for containers to talk to each other via service names (DNS).
  • Aliases: Give containers multiple network identities.

Best Practices

  • External Networks: Avoid using the default "bridge" network for production.
  • Volume Backups: Regularly back up persistent volumes.

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