VILLASweb/etc/nginx/villas.conf

server {
  listen      80 default_server;
  server_name VILLASweb;

  # backend location
  location /api/ {
    proxy_redirect off;
    proxy_set_header Host $http_host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    # rewrite url to exclude /api on context broker side
    rewrite ^/api/?(.*) /api/$1 break;

    proxy_pass http://backend:4000/;
  }

  location /ws/api/ {
    proxy_pass http://node/api/;
  }

  location /ws {
    proxy_pass http://node/;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }

  # frontend location
  location / {
    root /usr/src/app/build/;
  }

  # error pages
  error_page 404 /404.html;
  location = /404.html {
    root /usr/share/nginx/html;
  }

  error_page 500 502 503 504 50x.html;
  location = /50x.html {
    root /usr/share/nginx/html;
  }
}