adds Unicorn and nginx configuration files

config/nginx.conf

@@ -0,0 +1,57 @@
+upstream rails-contributors {
+  # fail_timeout=0 means we always retry an upstream even if it failed
+  # to return a good HTTP response (in case the Unicorn master nukes a
+  # single worker for timing out).
+  server unix:/tmp/rails-contributors.sock fail_timeout=0;
+}
+
+server {
+  listen 80 deferred;
+
+  client_max_body_size 4G;
+  server_name contributors.rubyonrails.org;
+
+  # ~2 seconds is often enough for most folks to parse HTML/CSS and
+  # retrieve needed images/icons/frames, connections are cheap in
+  # nginx so increasing this is generally safe...
+  keepalive_timeout 5;
+
+  # Path for static files
+  root /home/rails/rails-contributors/public;
+
+  if (-f $document_root/system/maintenance.html) {
+    rewrite ^(.*)$ /system/maintenance.html last;
+    break;
+  }
+
+  # Prefer to serve static files directly from nginx to avoid unnecessary
+  # data copies from the application server.
+  try_files $uri/index.html $uri.html $uri @app;
+
+  location ~ ^/(images|javascripts|stylesheets)/ {
+    expires max;
+    break;
+  }
+
+  location @app {
+    # an HTTP header important enough to have its own Wikipedia entry:
+    #   http://en.wikipedia.org/wiki/X-Forwarded-For
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+    # pass the Host: header from the client right along so redirects
+    # can be set properly within the Rack application
+    proxy_set_header Host $http_host;
+
+    # we don't want nginx trying to do something clever with
+    # redirects, we set the Host: header above already.
+    proxy_redirect off;
+
+    proxy_pass http://rails-contributors;
+  }
+
+  # Rails error pages
+  error_page 500 502 503 504 /500.html;
+  location = /500.html {
+    root /home/rails/rails-contributors/public;
+  }
+}

config/unicorn.rb

@@ -0,0 +1,11 @@
+require 'pathname'
+
+app_root = Pathname.new(__FILE__).dirname.parent.expand_path.to_s
+
+worker_processes 4
+working_directory app_root
+listen "/tmp/rails-contributors.sock"
+timeout 30
+pid "#{app_root}/tmp/pids/unicorn.pid"
+stderr_path "#{app_root}/log/unicorn.stderr.log"
+stdout_path "#{app_root}/log/unicorn.stdout.log"

config/unicorn.sh

@@ -0,0 +1,68 @@
+#!/bin/sh
+
+set -e
+TIMEOUT=${TIMEOUT-60}
+APP_ROOT=$HOME/rails-contributors
+PID=$APP_ROOT/tmp/pids/unicorn.pid
+CMD="$HOME/.rvm/bin/ruby $APP_ROOT/bin/unicorn_rails -D -c $APP_ROOT/config/unicorn.rb -E production"
+action="$1"
+set -u
+
+old_pid="$PID.oldbin"
+
+cd $APP_ROOT || exit 1
+
+sig () {
+	test -s "$PID" && kill -$1 `cat $PID`
+}
+
+oldsig () {
+	test -s $old_pid && kill -$1 `cat $old_pid`
+}
+
+case $action in
+start)
+	sig 0 && echo >&2 "Already running" && exit 0
+	$CMD
+	;;
+stop)
+	sig QUIT && exit 0
+	echo >&2 "Not running"
+	;;
+force-stop)
+	sig TERM && exit 0
+	echo >&2 "Not running"
+	;;
+restart|reload)
+	sig HUP && echo reloaded OK && exit 0
+	echo >&2 "Couldn't reload, starting '$CMD' instead"
+	$CMD
+	;;
+upgrade)
+	if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
+	then
+		n=$TIMEOUT
+		while test -s $old_pid && test $n -ge 0
+		do
+			printf '.' && sleep 1 && n=$(( $n - 1 ))
+		done
+		echo
+
+		if test $n -lt 0 && test -s $old_pid
+		then
+			echo >&2 "$old_pid still exists after $TIMEOUT seconds"
+			exit 1
+		fi
+		exit 0
+	fi
+	echo >&2 "Couldn't upgrade, starting '$CMD' instead"
+	$CMD
+	;;
+reopen-logs)
+	sig USR1
+	;;
+*)
+	echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
+	exit 1
+	;;
+esac