nginx configuration for nodejitsu proxy

gistfile1.txt

upstream api { 
    # server 127.0.0.1:3030;          # Standard proxy_pass server to locally running server
    server librecms-api.jit.su:80;    # proxy_pass server to remote nodejitsu drone.
}

server {
  listen 80;
  server_name localhost;
  root /var/www/librecms/src/angular/app;

  underscores_in_headers on;
  location /api/ {
    ##### proxy_pass configuration for all upstream servers
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-NginX-Proxy true;
    proxy_pass http://api/;
    proxy_redirect off;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";

    #### NOTE THIS IS SPECIFIC FOR NOTEJITSU DRONES.
    #### Must set Host header to domain of nodejitsu drone.
    proxy_set_header Host librecms-api.jit.su; 
  }

  location / {
    # Application specific
    index index.html;
    try_files $uri $uri/ /index.html =404;
  }
}