nginx.conf.tmpl

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

load_module /etc/nginx/modules/ngx_http_perl_module.so;

env YOUR_ENV;
env API_DOMAIN;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    perl_set $YOUR_ENV 'sub { return $ENV{"YOUR_ENV"}; }';
    perl_set $API_DOMAIN 'sub { return $ENV{"API_DOMAIN"}; }';

    #gzip  on;

    #include /etc/nginx/conf.d/*.conf;
    server {
        listen      80;
        server_name server_name;
        client_max_body_size 1G;

        root /app;

        gzip on;
        gzip_min_length  1000;
        gzip_types      text/plain text/xml application/xml text/javascript application/x-javascript
                        text/css application/javascript
                        application/x-font-ttf font/opentype
                        application/vnd.ms-fontobject font/x-woff image/svg+xml;
        gzip_disable     "MSIE [1-6]\.";
        gzip_vary        on;
        gzip_http_version 1.0;

        resolver 8.8.8.8;

        real_ip_header      X-FORWARDED-FOR;
        real_ip_recursive   on;
        set_real_ip_from    10.0.0.0/8;

        proxy_set_header    Host $host;
        proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header    X-Forwarded-Proto https;
        proxy_set_header    X-Real-IP $remote_addr;

        # health check
        location /_health {
          add_header Content-Type text/plain;
          return 200 "OK";
        }

        location /_env {
          add_header Content-Type text/plain;
          return 200 "
            YOUR_ENV: $YOUR_ENV
            API_DOMAIN: $API_DOMAIN
          ";
        }

        location ~ "^/api/" {
          rewrite ^/(.*)$ /$1 break;
          proxy_set_header Access-Control-Allow-Origin: *;
          proxy_set_header Access-Control-Allow-Methods: POST,GET,PUT,DELETE;
          proxy_pass $API_DOMAIN;
        }

        location / {
          add_header Content-Type text/plain;
          return 200 "Hello!";
        }
    }
}