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Connection to server at "127.0.0.1", port 5432 failed: Connection refused
FastAPI container fails to connect to PostgreSQL.
However, the PostgreSQL container is running well and accessible.
I don't know why this problem is happening.
Here is gist link of Dockerfile, docker-compose.yaml and log when docker-compose is run.
https://gist.github.com/sunwoo1524/9f75b4d3fd295c9829705e23a3b8094d
Thanks to you, I solved the problem!
ImportError: attempted relative import with no known parent package
I ran Python, FastAPI, and PostgreSQL as docker-compose, but it doesn't work with these errors.
I don't know why this error occurs.
Full Error Message:
undefined
learn-fastapi-web-1 | Traceback (most recent call last): learn-fastapi-web-1 | File "<frozen runpy>", line 198, in _run_module_as_main learn-fastapi-web-1 | File "<frozen runpy>", line 88, in _run_code learn-fastapi-web-1 | File "/usr/local/lib/python3.11/site-packages/uvicorn/__main__.py", line 4, in <module> learn-fastapi-web-1 | uvicorn.main() learn-fastapi-web-1 | File "/usr/local/lib/python3.11/site-packages/click/core.py", line 1157, in __call__ learn-fastapi-web-1 | return self.main(*args, **kwargs) learn-fastapi-web-1 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ learn-fastapi-web-1 | File "/usr/local/lib/python3.11/site-packages/click/core.py", line 1078, in main learn-fastapi-web-1 | rv = self.invoke(ctx) learn-fastapi-web-1 | ^^^^^^^^^^^^^^^^ learn-fastapi-web-1 | File "/usr/lo