Proxy a Flask app running on gunicorn to a subpath in nginx

I have a Flask app running with gunicorn on `http://127.0.0.1:4000`: ``` gunicorn -b 127.0.0.1:4000 webapp:app ``` Now I would like to use nginx as a reverse proxy and forward `http://myserver.com/webapp` to `http://127.0.0.1:4000` in a way that every `http://myserver.com/webapp/subpath` goes to `http://127.0.0.1:4000/subpath`. The proxy/redirect works nicely when not using a subpath: ``` upstream app { server 127.0.0.1:4000 fail_timeout=0; } server { listen 80 default; client_max_body_size 4G; server_name _; location / { proxy_pass http://app; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; } } ``` How can I set ``` location /webapp { #go to my gunicorn app, translate URLs nicely } ``` This tip from the Flask developers didn't work: http://flask.pocoo.org/snippets/35/ SOLVED: The snippet http://flask.pocoo.org/snippets/35/ works! I had a few absolute URLs in my templates (e.g. `/task/delete`) and had to change everything to `url_for()`. Stupid ... but now it works like expected, I have my app on 'http://myserver.com/subpath'