Simplify: use plain Python instead of Gunicorn

Dockerfile

@@ -2,15 +2,11 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
-# Install uv
-RUN pip install uv
-
 COPY requirements.txt .
-RUN uv pip install -r requirements.txt --system
+RUN pip install -r requirements.txt
 
 COPY . .
 
 EXPOSE 5000
 
-# Use gunicorn for production - 4 workers for better concurrency
-CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "--timeout", "300", "--access-logfile", "-", "--error-logfile", "-", "app:app"]
+CMD ["python", "app.py"]

requirements.txt

@@ -1,3 +1,2 @@
 flask
-flask-cors
-gunicorn
+flask-cors