Nginx configuration server block for static frontend and websocket backend

nginx.conf

# Nginx configuration server block for static frontend and websocket backend
# For example - React and Gunicorn or Angular and Rack
#
# Setup:
# sudo cp nginx.conf /etc/nginx/sites-available/mynewconfig
# sudo ln -s /etc/nginx/sites-available/mynewconfig /etc/nginx/sites-enabled
# sudo rm /etc/nginx/sites-enabled/default
# sudo service nginx restart
#

server {
    listen 80;
    server_name _;

    location /api {
        include proxy_params;
        proxy_pass http://unix:/path/to/socket/file/file.sock;
    }

    location / {
        alias /path/to/static/folder;
        try_files $uri /index.html;
    }
}