nginx.conf

user nobody nogroup;
worker_processes  1;

error_log /dev/stderr warn;

events {
    worker_connections  1024;
}

http {
    include       mime.types;

    log_format main '{'
            '"body_bytes_sent":"$body_bytes_sent",'
            '"host":"$host",'
            '"hostname":"$hostname",'
            '"http_forwarded":"$http_forwarded",'
            '"http_referer":"$http_referer",'
            '"http_user_agent":"$http_user_agent",'
            '"http_x_forwarded_for":"$http_x_forwarded_for",'
            '"query_string":"$query_string",'
            '"remote_addr":"$remote_addr",'
            '"remote_user":"$remote_user",'
            '"request_method":"$request_method",'
            '"request_time":"$request_time",'
            '"request":"$request",'
            '"scheme":"$scheme",'
            '"server_port":"$server_port",'
            '"status":"$status",'
            '"time_iso8601":"$time_iso8601",'
            '"upstream_addr":"$upstream_addr",'
            '"upstream_response_time":"$upstream_response_time",'
            '"upstream_status":"$upstream_status"'
    '}';

    access_log  /dev/stdout  main;
    # error_log  /dev/stdout  debug;

    sendfile        on;
    tcp_nopush     on;

    keepalive_timeout  65;

    gzip  on;

    upstream imagelayers-api {
        server imagelayers;
    }

    upstream badger {
        server badger;
    }

    ## health and status check
    server {
      listen 8080;

      location /nginx_status {
        stub_status on;
        access_log off;
      }
    }

    # used only by clients directly addressing this service
    server {
        listen       9000;
        server_name  badge.imagelayers.io;

        location / {
            access_log  /dev/stdout main;

            proxy_redirect off;

            proxy_set_header Host 'badge.imagelayers.io';
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Connection 'Keep-Alive';

            proxy_pass http://badger/;
        }

        error_page  404 500 502 503 504 /error.html;
        location = /error.html {
            root   html;
        }
    }

    server {
        listen       9000 default_server;
        server_name  imagelayers.io;

        location / {
            root /data/dist;
            index  index.html index.htm;
            expires 1h;
            add_header Cache-Control "public";
            try_files $uri $uri/ /index.html;
        }

        # forward all requests for /registry to the internal imagelayers-api service
        location /registry {
            access_log  /dev/stdout main;

            rewrite /registry/(.*) /registry/$1 break;
            proxy_redirect off;

            proxy_set_header Host 'imagelayers.io';
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Connection 'Keep-Alive';

            proxy_pass http://imagelayers-api/;
        }

        # forward all requests for /badge to the internal badge service
        location /badge {
            access_log  /dev/stdout main;

            rewrite /badge/(.*) /$1 break;
            proxy_redirect off;

            proxy_set_header Host 'badge.imagelayers.io';
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Connection 'Keep-Alive';

            proxy_pass http://badger/;
        }

        error_page  404 500 502 503 504 /error.html;
        location = /error.html {
            root   html;
        }
    }
}