Fix: run uvicorn as a python module

Dockerfile

@@ -1,22 +1,26 @@
 FROM python:3.11-slim
 
+# 1. Setup User
 RUN useradd -m -u 1000 user
-RUN mkdir -p /home/user/app/data && chown -R user:user /home/user/app
 WORKDIR /home/user/app
 
+# 2. Install UV
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
 
-USER user
+# 3. Copy everything
 COPY --chown=user . .
 
+# 4. Install dependencies
+# We install the workspace and ensure fastapi/uvicorn are present
 RUN /usr/local/bin/uv sync --all-extras && \
-    /usr/local/bin/uv add uvicorn fastapi && \
-    /usr/local/bin/uv pip install -e ./duckdb_loader
-	
-WORKDIR /home/user/app/duckdb_loader
+    /usr/local/bin/uv add fastapi uvicorn
 
-ENV PORT=7860
+# 5. THE FIX: Set PYTHONPATH to the inner source folder
+# This allows 'import duckdb_loader' to find the folder containing __init__.py
 ENV PYTHONPATH=/home/user/app/duckdb_loader
-EXPOSE 7860
+USER user
 
-CMD ["/usr/local/bin/uv", "run", "python", "-m", "uvicorn", "duckdb_loader.duckdb_loader.main:app", "--host", "0.0.0.0", "--port", "7860"]
+# 6. Start the app
+# We point to the file located at /app/duckdb_loader/duckdb_loader/main.py
+# Using the package.module:app syntax
+CMD ["/usr/local/bin/uv", "run", "python", "-m", "uvicorn", "duckdb_loader.main:app", "--host", "0.0.0.0", "--port", "7860"]