Make the db host configurable via environment variables

.env.development

@@ -1,6 +1,7 @@
 # Database configurations
 MCONF_DATABASE_DEV_ADAPTER='mysql2'
-MCONF_DATABASE_DEV='mconf_web_dev'
+MCONF_DATABASE_DEV_HOST='127.0.0.1'
+MCONF_DATABASE_DEV_NAME='mconf_web_dev'
 MCONF_DATABASE_DEV_USERNAME='root'
 MCONF_DATABASE_DEV_PASSWORD=''
 

.env.production

@@ -1,4 +1,3 @@
-MCONF_DATABASE_PROD_ADAPTER='mysql2'
-MCONF_DATABASE_PROD='mconf_web_production'
+MCONF_DATABASE_PROD_NAME='mconf_web_production'
 MCONF_DATABASE_PROD_USERNAME='root'
 MCONF_DATABASE_PROD_PASSWORD=''

.env.test

@@ -1,4 +1,3 @@
-MCONF_DATABASE_TEST_ADAPTER='mysql2'
-MCONF_DATABASE_TEST='mconf_web_test'
+MCONF_DATABASE_TEST_NAME='mconf_web_test'
 MCONF_DATABASE_TEST_USERNAME='root'
 MCONF_DATABASE_TEST_PASSWORD=''

.travis.yml

@@ -7,7 +7,7 @@ bundler_args: "--without production development"
 env:
   global:
   - MCONF_DATABASE_TEST_ADAPTER='mysql2'
-  - MCONF_DATABASE_TEST='mconf_test'
+  - MCONF_DATABASE_TEST_NAME='mconf_test'
   - MCONF_DATABASE_TEST_USERNAME='travis'
   - MCONF_DATABASE_TEST_PASSWORD=''
 before_script:

config/database.yml

@@ -1,25 +1,28 @@
 # MySQL (default setup).  Versions 4.1 and 5.0 are recommended.
 
 development:
-  adapter: <%= ENV['MCONF_DATABASE_DEV_ADAPTER'] || 'mysql2' %>
-  database: <%= ENV['MCONF_DATABASE_DEV'] || 'mconf_web_dev' %>
+  adapter:  <%= ENV['MCONF_DATABASE_DEV_ADAPTER'] || 'mysql2' %>
+  host:     <%= ENV['MCONF_DATABASE_DEV_HOST'] || '127.0.0.1' %>
+  database: <%= ENV['MCONF_DATABASE_DEV_NAME'] || 'mconf_web_dev' %>
   username: <%= ENV['MCONF_DATABASE_DEV_USERNAME'] %>
   password: <%= ENV['MCONF_DATABASE_DEV_PASSWORD'] %>
-  socket: <%= ENV['MCONF_DATABASE_DEV_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
+  socket:   <%= ENV['MCONF_DATABASE_DEV_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
   encoding: utf8
 
 test:
-  adapter: <%= ENV['MCONF_DATABASE_TEST_ADAPTER'] || 'mysql2' %>
-  database: <%= ENV['MCONF_DATABASE_TEST'] || 'mconf_web_test' %>
+  adapter:  <%= ENV['MCONF_DATABASE_TEST_ADAPTER'] || 'mysql2' %>
+  host:     <%= ENV['MCONF_DATABASE_TEST_HOST'] || '127.0.0.1' %>
+  database: <%= ENV['MCONF_DATABASE_TEST_NAME'] || 'mconf_web_test' %>
   username: <%= ENV['MCONF_DATABASE_TEST_USERNAME'] %>
   password: <%= ENV['MCONF_DATABASE_TEST_PASSWORD'] %>
-  socket: <%= ENV['MCONF_DATABASE_TEST_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
+  socket:   <%= ENV['MCONF_DATABASE_TEST_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
   encoding: utf8
 
 production:
-  adapter: <%= ENV['MCONF_DATABASE_PROD_ADAPTER'] || 'mysql2' %>
-  database: <%= ENV['MCONF_DATABASE_PROD'] || 'mconf_web_production' %>
+  adapter:  <%= ENV['MCONF_DATABASE_PROD_ADAPTER'] || 'mysql2' %>
+  host:     <%= ENV['MCONF_DATABASE_PROD_HOST'] || '127.0.0.1' %>
+  database: <%= ENV['MCONF_DATABASE_PROD_NAME'] || 'mconf_web_production' %>
   username: <%= ENV['MCONF_DATABASE_PROD_USERNAME'] %>
   password: <%= ENV['MCONF_DATABASE_PROD_PASSWORD'] %>
-  socket: <%= ENV['MCONF_DATABASE_PROD_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
+  socket:   <%= ENV['MCONF_DATABASE_PROD_SOCKET'] || '/var/run/mysqld/mysqld.sock' %>
   encoding: utf8