base_image: "samsaffron/discourse_base:1.0.11"

update_pups: false

params:
  home: /var/www/message_bus

templates:
  - "templates/redis.template.yml"

expose:
  - "80:80"

volumes:
  - volume:
     host: /var/docker/shared/chat
     guest: /shared

hooks:
  after_redis:
    - exec:
        cmd:
          - useradd chat -s /bin/bash -m -U
    - exec:
        background: true
        cmd: "sudo -u redis /usr/bin/redis-server /etc/redis/redis.conf --dbfilename test.rdb"
    - exec: mkdir -p /var/www
    - exec: cd /var/www && git clone --depth 1 https://github.com/SamSaffron/message_bus.git
    - exec:
        cmd:
          - gem install unicorn
          - gem install redis
          - gem install sinatra
          - gem install rbtrace
    - replace:
      - filename: $home/examples/chat/chat.rb
      - from: "require 'json'"
      - to: "require 'json'\nrequire 'rbtrace'"
    - file:
       path: /etc/service/unicorn/run
       chmod: "+x"
       contents: |
         #!/bin/bash
         exec 2>&1
         # redis
         cd $home/examples/chat
         exec sudo -E -u chat LD_PRELOAD=/usr/lib/libjemalloc.so.1 unicorn -p 8080 -E production
    - exec: rm /etc/nginx/sites-enabled/default
    - replace:
        filename: /etc/nginx/nginx.conf
        from: pid /run/nginx.pid;
        to: daemon off;
    - file:
        path: /etc/nginx/conf.d/chat.conf
        contents: |
          upstream chat {
            server localhost:8080;
          }
          server {
            listen 80;
            gzip on;
            gzip_types application/json text/css application/x-javascript;
            gzip_min_length 1000;
            server_name chat.samsaffron.com;
            keepalive_timeout 65;
            location / {
              try_files $uri @chat;
            }
            location @chat{
              proxy_set_header Host $http_host;
              proxy_set_header X-Real-IP $remote_addr;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header X-Forwarded-Proto http;
              proxy_pass http://chat;
            }
          }
    - file:
       path: /etc/service/nginx/run
       chmod: "+x"
       contents: |
          #!/bin/sh
          exec 2>&1
          exec /usr/sbin/nginx