Fix: run uvicorn as a python module

Dockerfile

@@ -14,15 +14,18 @@ USER user
 # 4. Copy the project files
 COPY --chown=user . .
 
-# 5. Run the sync AND explicitly add uvicorn/fastapi
-# This ensures even if they are missing from pyproject.toml, they get installed
+# 5. Monorepo Installation
+# We sync the root project, add the web server, 
+# and explicitly install the local 'duckdb_loader' package.
 RUN /usr/local/bin/uv sync --all-extras && \
-    /usr/local/bin/uv add uvicorn fastapi
+    /usr/local/bin/uv add uvicorn fastapi && \
+    /usr/local/bin/uv pip install -e ./duckdb_loader
 
 # 6. Set Hugging Face environment
 ENV PORT=7860
 EXPOSE 7860
 
 # 7. Start the API
-# We use 'uv run' to ensure we are inside the virtualenv
-CMD ["/usr/local/bin/uv", "run", "python", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "7860"]
+# We update the module path to reflect the directory structure.
+# This assumes your FastAPI 'app' is inside 'duckdb_loader/main.py'
+CMD ["/usr/local/bin/uv", "run", "python", "-m", "uvicorn", "duckdb_loader.main:app", "--host", "0.0.0.0", "--port", "7860"]