instruct user to install using Gem file in database.yml templete issue #1103

railties/lib/rails/generators/rails/app/templates/config/databases/frontbase.yml

@@ -2,7 +2,10 @@
 #
 # Get the bindings:
 #   gem install ruby-frontbase
-
+#
+# Configure Using Gemfile
+# gem 'ruby-frontbase'
+#
 development:
   adapter: frontbase
   host: localhost

railties/lib/rails/generators/rails/app/templates/config/databases/ibm_db.yml

@@ -28,6 +28,9 @@
 #   On Windows:
 #       Issue the command: gem install ibm_db
 #
+# Configure Using Gemfile
+# gem 'ibm_db'
+#
 # For more details on the installation and the connection parameters below,
 # please refer to the latest documents at http://rubyforge.org/docman/?group_id=2361
 

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcmysql.yml

@@ -3,6 +3,9 @@
 # Install the MySQL driver:
 #   gem install activerecord-jdbcmysql-adapter
 #
+# Configure Using Gemfile
+# gem 'activerecord-jdbcmysql-adapter'
+#
 # And be sure to use new-style password hashing:
 #   http://dev.mysql.com/doc/refman/5.0/en/old-client.html
 development:

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcpostgresql.yml

@@ -8,6 +8,10 @@
 #   gem install pg
 #       Choose the win32 build.
 #       Install PostgreSQL and put its /bin directory on your path.
+#
+# Configure Using Gemfile
+# gem 'activerecord-jdbcpostgresql-adapter'
+
 development:
   adapter: jdbcpostgresql
   encoding: unicode

railties/lib/rails/generators/rails/app/templates/config/databases/jdbcsqlite3.yml

@@ -1,6 +1,9 @@
 # SQLite version 3.x
 #   gem 'activerecord-jdbcsqlite3-adapter'
-
+#
+# Configure Using Gemfile
+# gem 'activerecord-jdbcsqlite3-adapter'
+#
 development:
   adapter: jdbcsqlite3
   database: db/development.sqlite3

railties/lib/rails/generators/rails/app/templates/config/databases/postgresql.yml

@@ -8,6 +8,10 @@
 #   gem install pg
 #       Choose the win32 build.
 #       Install PostgreSQL and put its /bin directory on your path.
+#
+# Configure Using Gemfile
+# gem 'pg'
+#
 development:
   adapter: postgresql
   encoding: unicode