user  nginx;
worker_processes  1;

events {
    worker_connections  512;
}
http {
  include               mime.types;
  server_tokens         off;

  gzip                  on;
  gzip_proxied          any;
  gzip_http_version     1.1;
  gzip_comp_level       6;
  gzip_types            text/plain text/css text/javascript application/json application/x-javascript text/xml application/xml application/xml+rss;
  gzip_disable          msie6;

  map $http_host $this_host {
    "" $host;
    default $http_host;
  }
  map $http_x_forwarded_proto $the_scheme {
    default $http_x_forwarded_proto;
    "" $scheme;
  }
  map $http_x_forwarded_host $the_host {
    default $http_x_forwarded_host;
    "" $this_host;
  }
  map $http_upgrade $proxy_connection {
    default upgrade;
    "" close;
  }

  upstream  exo_app {
    server  exo:8080;
  }

  server {
    listen 80 default_server;
    #server_name my.server.name;

    # Pass the client informations the the backend
    proxy_set_header X-Real-IP          $remote_addr;
    proxy_set_header Host               $host;
    proxy_set_header X-Forwarded-For    $proxy_add_x_forwarded_for;

    client_max_body_size 0;

    location ~ ((/websocket)|(\/[\d]+\.[\d]+\.[\d]+[\.|-][\d]+(.+)\/websocket)|^(\/[\d]+\.[\d]+\.[\d]+[\.|-].+)?(\/doc\/.*)) {
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      proxy_set_header Host $http_host;
      proxy_set_header X-Forwarded-Host $the_host;
      proxy_set_header X-Forwarded-Proto $the_scheme;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_http_version 1.1;
      proxy_pass http://onlyoffice$1$2$is_args$args;
    }
    location ~ ^(\/[\d]+\.[\d]+\.[\d]+[\.|-].+)/ {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/OfficeWeb {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/downloadfile {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/converter {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/printfile {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/cache {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/web-apps {
      proxy_pass http://onlyoffice;
    }
    location ~ ^/coauthoring {
      add_header X-Frame-Options SAMEORIGIN always;
      proxy_pass http://onlyoffice;
    }
    # Websocket for live edition
    location ~ /websocket$ {
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      proxy_pass http://onlyoffice;
    }

    location / {
        proxy_pass http://exo_app;
    }
    # Websocket for Cometd
    location /cometd/cometd {
        proxy_pass http://exo:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
  }
}