002_nginx.config

files:
  "/etc/nginx/conf.d/000_shop_config.conf":
    mode: "000644"
    content: |
      client_max_body_size        100m;
      client_body_buffer_size     128k;

      proxy_buffering   on;
      proxy_buffer_size           128k;
      proxy_buffers               4 256k;
      proxy_busy_buffers_size     256k;
      proxy_temp_file_write_size  256k;
  "/tmp/nginx_fix":
    mode: "000744"
    content: |
      #! /usr/bin/env node
      ngcf = require('nginx-conf').NginxConfFile;

      confPath = '/etc/nginx/conf.d/webapp_healthd.conf';
      wsLocation = '/websocket';

      function isWSLocation(locStanza) {
        return locStanza.toString().indexOf(wsLocation) != -1;
      }

      ngcf.create(confPath, function(err, conf) {
        if (err) {
          console.log(err);
          return;
        }
        var confLocations = conf.nginx.server.location;

        var wsStanza = confLocations.filter(isWSLocation).pop();

        if ( wsStanza === undefined ) {
          conf.nginx.server._add('location', wsLocation);
          wsStanza = confLocations[confLocations.length-1];
          wsStanza._add('proxy_pass', 'http://my_app');
          wsStanza._add('proxy_http_version', '1.1');
          wsStanza._add('proxy_set_header', 'Host $host');
          wsStanza._add('proxy_set_header', 'X-Forwarded-For $proxy_add_x_forwarded_for');
          wsStanza._add('proxy_set_header', 'Upgrade $http_upgrade');
          wsStanza._add('proxy_set_header', 'Connection "upgrade"');
        }
        conf.flush();
      });

container_commands:
  01npm:
    env:
      NODE_PATH: "/usr/lib/node_modules"
    command: "npm install --global nginx-conf"
  02run_nginx_fix:
    env:
      NODE_PATH: "/usr/lib/node_modules"
    command: "/tmp/nginx_fix"
  03rm_nginx_fix:
    command: "rm /tmp/nginx_fix"
  99restart_nginx:
    command: "service nginx restart"