Document nginx, s3 storage in Phabricator

Summary: Add nginx documentation and s3 documentation and some other doc tweaks.

Test Plan: Generated, read documentation.

Reviewers: btrahan, jungejason

Reviewed By: btrahan

CC: aran, wnemay

Maniphest Tasks: T638

Differential Revision: https://secure.phabricator.com/D1426

src/docs/configuration/configuration_guide.diviner

@@ -28,6 +28,7 @@ Create a new file here:
 ...where ##myconfig## is some name which identifies your installation. Put this
 in the file:
 
+  name=myconfig.conf.php, lang=php
   <?php
 
   return array(
@@ -58,7 +59,7 @@ For the last line, you can also use ##'development'## instead of
 ##'production'## if you are planning to develop Phabricator itself. This will
 turn on some debugging features.
 
-= Configuring Apache =
+= Webserver: Configuring Apache =
 
 Get Apache running and verify it's serving a test page. Consult the Apache
 documentation for help. Make sure ##mod_php## and ##mod_rewrite## are enabled,
@@ -75,6 +76,7 @@ Now, either create a VirtualHost entry (to put Phabricator on a subdomain)
 or edit the Directory entry for the DocumentRoot. It should look something like
 this:
 
+  name=httpd.conf
   <VirtualHost *>
     # Change this to the domain which points to your host, i.e. the domain
     # you set as "phabricator.base-uri".
@@ -94,9 +96,60 @@ this:
     SetEnv PHABRICATOR_ENV custom/myconfig
   </VirtualHost>
 
-Now, restart apache and navigate to whichever subdomain you set up. You should
-either see the Phabricator setup screen, which is a simple text page that looks
-something like this:
+Continue to "Setup" below.
+
+= Webserver: Configuring nginx =
+
+For nginx, use a configuration like this:
+
+  name=nginx.conf
+  server {
+    server_name phabricator.example.com;
+
+    root      /path/to/phabricator/webroot;
+    try_files $uri $uri/ /index.php;
+
+    location / {
+      index   index.php;
+
+      if ( !-f $request_filename )
+      {
+        rewrite ^/(.*)$ /index.php?__path__=/$1 last;
+        break;
+      }
+    }
+
+    location ~ \.php$ {
+      fastcgi_pass   localhost:9000;
+      fastcgi_index   index.php;
+
+      #custom environment variable
+      fastcgi_param PHABRICATOR_ENV     "custom/myconfig";
+
+      #required if PHP was built with --enable-force-cgi-redirect
+      fastcgi_param  REDIRECT_STATUS    200;
+
+      #variables to make the $_SERVER populate in PHP
+      fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
+      fastcgi_param  QUERY_STRING       $query_string;
+      fastcgi_param  REQUEST_METHOD     $request_method;
+      fastcgi_param  CONTENT_TYPE       $content_type;
+      fastcgi_param  CONTENT_LENGTH     $content_length;
+
+      fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
+
+      fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
+      fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;
+
+      fastcgi_param  REMOTE_ADDR        $remote_addr;
+    }
+  }
+
+= Setup =
+
+Now, restart your webserver and navigate to whichever subdomain you set up. You
+should either see the Phabricator setup screen, which is a simple text page that
+looks something like this:
 
   PHABRICATOR SETUP
 

src/docs/configuration/configuring_file_storage.diviner

@@ -60,6 +60,17 @@ storage. To do this, set the configuration key:
   - ##storage.local-disk.path##: Set to some writable directory on local disk.
     Make that directory. You're done.
 
+== Amazon S3 ==
+
+  - **Pros**: Scales well.
+  - **Cons**: More complicated and expensive than other approaches.
+
+To enable file storage in S3, set these key:
+
+  - ##amazon-s3.access-key## Your AWS access key.
+  - ##amazon-s3.secret-key## Your AWS secret key.
+  - ##storage.s3.bucket## S3 bucket name where files should be stored.
+
 == Custom Engine ==
 
 For details about writing a custom storage engine, see @{article:File Storage

src/docs/installation_guide.diviner

@@ -14,8 +14,8 @@ Phabricator is a LAMP application suite, so you basically need LAMP:
     patches.) Phabricator has active contributors running it on Mac OS X, Amazon
     Linux, Ubuntu, RHEL and CentOS; if you run into issues on other flavors,
     send patches or complaints.
-  - **Apache**: You need Apache. You might be able to use something else, but
-    you're on your own.
+  - **Apache** (or nginx): You need Apache (or nginx). You might be able to use
+    something else, but you're on your own.
   - **MySQL**: You need MySQL.
   - **PHP**: You need PHP 5.2 or newer.
 
@@ -38,11 +38,11 @@ If those work for you, you can skip directly to the
 Otherwise, here's a general description of what you need to install:
 
   - git (usually called "git" in package management systems)
-  - Apache (usually "httpd" or "apache2")
+  - Apache (usually "httpd" or "apache2") (or nginx)
   - MySQL Server (usually "mysqld" or "mysql-server")
   - PHP (usually "php")
-  - Required PHP extensions: mbstring, iconv, mysql, curl, pcntl (these might be something like
-    "php-mysql" or "php5-mysql")
+  - Required PHP extensions: mbstring, iconv, mysql, curl, pcntl (these might be
+    something like "php-mysql" or "php5-mysql")
   - Optional PHP extensions: gd, apc (special instructions for APC are available
     below if you have difficulty installing it), xhprof (instructions below,
     you only need this if you are developing Phabricator)