feat: switch to Gunicorn for production

Dockerfile

@@ -30,9 +30,10 @@ RUN uv venv && \
 ENV FLASK_APP=main.py
 ENV FLASK_ENV=production
 ENV PATH="/app/.venv/bin:$PATH"
+ENV GUNICORN_CMD_ARGS="--workers=4 --bind=0.0.0.0:5000 --timeout=120"
 
 # Expose port
 EXPOSE 5000
 
-# Run the application
-CMD ["python", "main.py"] 
+# Run the application with Gunicorn
+CMD ["gunicorn", "main:app"] 

docker-compose.yml

@@ -11,6 +11,7 @@ services:
     environment:
       - FLASK_APP=main.py
       - FLASK_ENV=production
+      - GUNICORN_CMD_ARGS=--workers=4 --bind=0.0.0.0:5000 --timeout=120
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:5000"]

pyproject.toml

@@ -10,6 +10,7 @@ dependencies = [
     "flask>=3.0.0",
     "werkzeug>=3.0.0",
     "python-dotenv>=1.0.0",
+    "gunicorn>=21.2.0",
 ]
 
 [build-system]