Services cannot communicate with each other.

Services show connection errors. Cannot access services via subdomains.

Services are not on the same Docker network or network does not exist.

Steps:

1. Verify all services are on `folkzone_net` network
2. Check network exists: `docker network ls`
3. Inspect network: `docker network inspect folkzone_net`
4. Ensure containers can resolve each other by name

Always define a shared network in docker-compose.yml and ensure all services use it.

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Last updated: 2026-06-19

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