Optimize: Switch to Gunicorn WSGI server and uv for faster builds

Dockerfile

@@ -2,11 +2,15 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
+# Install uv
+RUN pip install uv
+
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN uv pip install -r requirements.txt --system
 
 COPY . .
 
 EXPOSE 5000
 
-CMD ["python", "app.py"]
+# 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"]

app.py

@@ -195,4 +195,7 @@ def get_models():
     })
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000, debug=False)
+    # Use gunicorn in production, this is just for local development
+    import os
+    port = int(os.environ.get('PORT', 5000))
+    app.run(host='0.0.0.0', port=port, debug=False, threaded=True)

requirements.txt

@@ -6,6 +6,7 @@ tensorflow
 lightgbm
 xgboost
 flask
+flask-cors
+gunicorn
 python-dotenv
-supabase
-flask-cors
+supabase