Nginx reverse proxy for Heroku

nginx_reverse_proxy.conf

upstream heroku {
        server myapp.herokuapp.com;
}

server {
        server_name ~^(www\.)(?<domain>.+)$;
        return 301 $scheme://$domain$request_uri;
}

server {
        listen 80 default;
        listen 443 ssl;
        #server_name _;

        ssl off;
        ssl_certificate /etc/nginx/ssl/myapp.com.crt;
        ssl_certificate_key /etc/nginx/ssl/myapp.com.key;

        location ~ \.php$ {
                return 444;
        }

        location / {
                proxy_pass http://heroku;
                proxy_redirect off;
                proxy_read_timeout 5m;
                proxy_set_header Host $http_host;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-Proto http;
        }
}

@george-i As per the link :

You can provide your own NGINX config by creating a file named nginx.conf.erb in the config directory of your app