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Docker Compose Networking, Volumes, and Runtime Controls/Bind only on localhost

Publishes the service only to the local machine.

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Section: Ports and Networks

Bind only on localhost

yaml
yaml
services:
  db:
    image: postgres:16
    ports:
      - "127.0.0.1:5432:5432"
Explanation

Useful for local databases not meant for LAN exposure.

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