Running Is Not the Same as Healthy
Container process state only proves that PID 1 exists; readiness has to test the behavior the dependency actually needs.
Compose
When a Docker Service Name Does Not Resolve from Caddy
Docker DNS only resolves service names inside the networks where those services actually meet.
A Clean Checkout Must Contain Every Local Build and Config Reference
Infrastructure source is incomplete if Compose points at files that only exist on the current server.