RootCauseunvalidated
Inside the frontend container, 127.0.0.1 refers to the container itself, not the backend container, so the proxy cannot reach the FastAPI service bound at the docker network endpoint.
f0c76f49-0582-4408-b27f-b517d335c3d0
Inside the frontend container, 127.0.0.1 refers to the container itself, not the backend container, so the proxy cannot reach the FastAPI service bound at the docker network endpoint.