Give a Docker Compose service a static/fixed IP address within a custom network subnet (IPAM)

domain: docs.docker.com/reference/compose-file/networks/ · 5 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗

Documented steps

  1. Define a top-level network with an IPAM subnet, e.g. `networks: mynet: ipam: driver: default config: [{subnet: 172.28.0.0/16, gateway: 172.28.0.1}]`.
  2. Attach the service to that network and pin its IP with per-network syntax: `services: app: networks: mynet: ipv4_address: 172.28.5.10`.
  3. The pinned address must fall within the network's declared subnet or Compose rejects it.
  4. Apply with `docker compose up -d` and confirm with `docker network inspect <name>` or `docker inspect` for IPAddress.
  5. Docs: https://docs.docker.com/reference/compose-file/networks/

Known gotchas

Related routes

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Define custom IPAM (subnet, ip_range, gateway, aux_addresses) for a Docker Compose network
docs.docker.com/reference/compose-file/networks/#ipam · 5 steps · unrated
Create a custom Docker network for container-to-container communication
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