/nginx.conf

events {
worker_connections 1024;
}

http {
upstream gunicorn_server {
server 127.0.0.1:5000;
}

server {
listen 80;
server_name localhost;

# Location for static frontend files
location / {
  root /usr/share/nginx/html;
  try_files $uri /index.html;
}

# Proxy settings for API traffic
location /api {
  proxy_pass http://gunicorn_server;
  proxy_set_header Host $host;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

# Proxy settings for WebSocket traffic
location /socket.io {
  proxy_pass http://gunicorn_server/socket.io;
  proxy_http_version 1.1;
  proxy_buffering off;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection "Upgrade";
  proxy_set_header Host $host;
  proxy_set_header X-Real-IP $remote_addr;
}

}
}