Add nginx and unicorn configs

config/nginx.conf

+worker_processes 1;
+daemon off;
+pid tmp/nginx.pid;
+error_log stderr;
+
+events {
+  worker_connections  1024;
+}
+
+http {
+  include       mime.types;
+  default_type  application/octet-stream;
+
+  access_log logs/access.log;
+
+  sendfile        on;
+  #tcp_nopush     on;
+
+  #keepalive_timeout  0;
+  keepalive_timeout  65;
+
+  #gzip  on;
+  proxy_temp_path proxy_temp;
+  client_body_temp_path client_body_temp;
+  uwsgi_temp_path uwsgi_temp;
+  fastcgi_temp_path fastcgi_temp;
+  scgi_temp_path scgi_temp;
+
+  client_max_body_size 0;
+
+  upstream unicorn_server {
+    # TODO (rspeicher): Change path
+    server unix:/path/to/app/tmp/sockets/unicorn.sock fail_timeout=0;
+  }
+
+  server {
+    listen       80;
+    server_name  localhost;
+
+    location / {
+      try_files $uri @app;
+    }
+
+    location @app {
+      proxy_redirect      off;
+      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   $scheme;
+      proxy_set_header    X-Frame-Options     SAMEORIGIN;
+
+      proxy_pass http://unicorn_server;
+    }
+  }
+}

config/unicorn.rb

+# TODO (rspeicher): Change path
+@dir = "/path/to/app/"
+
+worker_processes 2
+working_directory @dir
+
+timeout 30
+
+listen "#{@dir}tmp/sockets/unicorn.sock", backlog: 64
+
+pid "#{@dir}tmp/pids/unicorn.pid"
+
+stderr_path "#{@dir}log/unicorn.stderr.log"
+stdout_path "#{@dir}log/unicorn.stdout.log"