How Python Finds and Runs Installed App Module in OCI Containers
Have you ever wondered how Python finds your application code when running in a Docker container? If your source code lives in src/app/ during development, but Python can import app.main without any path manipulation in production, there’s some interesting machinery at work behind the scenes. Let’s explore how Python locates and executes installed code, using a real-world example: running a FastAPI application with python -m uvicorn app.main:app --host 0.0.0.0 --port 8080. ...