Don't use nginx

.buildpacks

@@ -1,3 +1,2 @@
 https://github.com/heroku/heroku-buildpack-ruby.git
 https://github.com/drogus/last-commit-sha-buildpack.git
-https://github.com/ryandotsmith/nginx-buildpack.git

Procfile

@@ -1,2 +1,2 @@
-web: bin/start-nginx bundle exec ./script/server
+web: bundle exec ./script/server
 console: bundle exec ./script/console

config/nginx.conf.erb

@@ -1,43 +0,0 @@
-daemon off;
-#Heroku dynos have 4 cores.
-worker_processes 4;
-
-events {
-  use epoll;
-  accept_mutex on;
-  worker_connections 1024;
-}
-
-http {
-        gzip on;
-        gzip_comp_level 2;
-        gzip_min_length 512;
-
-  log_format l2met 'measure.nginx.service=$request_time request_id=$http_heroku_request_id';
-  access_log logs/nginx/access.log l2met;
-  error_log logs/nginx/error.log;
-
-  include mime.types;
-  default_type application/octet-stream;
-  sendfile on;
-
-  #Must read the body in 5 seconds.
-  client_body_timeout 5;
-
-  upstream app_server {
-    server unix:/tmp/nginx.socket fail_timeout=0;
-  }
-
-  server {
-    listen <%= ENV["PORT"] %>;
-    server_name _;
-    keepalive_timeout 5;
-
-    location / {
-      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-      proxy_set_header Host $http_host;
-      proxy_redirect off;
-      proxy_pass http://app_server;
-    }
-  }
-}

script/server

@@ -3,6 +3,6 @@ cd "$(dirname "$0")/.."
 [ $PORT ]     || PORT=3000
 [ $RACK_ENV ] || RACK_ENV=development
 
-cmd="ruby -I lib -S bundle exec ruby -I lib -S unicorn config.ru -E $RACK_ENV -c config/unicorn.rb"
+cmd="ruby -I lib -S bundle exec ruby -I lib -S unicorn config.ru -p $PORT -E $RACK_ENV -c config/unicorn.rb"
 [[ $RACK_ENV == "development" ]] && exec rerun "$cmd -l 127.0.0.1:$PORT"
 exec $cmd