Setup postgres database in project

Author: joekr

README.md

@@ -11,6 +11,7 @@ This project is a working example of building a rails app using Docker, and depl
 2. `docker-machine start kubernetes-rails`
 3. `eval "$(docker-machine env kubernetes-rails)"`
 4. `docker-compose build && docker-compose up -d`
+5. `docker-compose run --rm web rake db:create`
 
 ## Build images
 You will need to change **foxio-rnd** to your GCE project name.

web/Gemfile

@@ -33,6 +33,7 @@ gem 'redis', '~> 3.0'
 # Use Unicorn as the app server
 gem 'unicorn'
 gem 'bower-rails'
+gem 'pg'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

web/Gemfile.lock

@@ -77,6 +77,7 @@ GEM
     nio4r (1.2.1)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
+    pg (0.18.4)
     puma (3.0.2)
     rack (2.0.0.alpha)
       json
@@ -158,6 +159,7 @@ DEPENDENCIES
   coffee-rails (~> 4.1.0)
   jbuilder (~> 2.0)
   jquery-rails
+  pg
   puma
   rails (>= 5.0.0.beta2, < 5.1)
   redis (~> 3.0)

web/config/database.yml

@@ -5,13 +5,18 @@
 #   gem 'sqlite3'
 #
 default: &default
-  adapter: sqlite3
+  adapter: postgresql
+  encoding: unicode
+  database: dev
   pool: 5
-  timeout: 5000
+  username: postgres
+  password: postgres
+  host: <%= ENV['WEB_DATABASE_HOST'] %>
+  port: 5432
 
 development:
   <<: *default
-  database: db/development.sqlite3
+  database: dev
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
@@ -22,4 +27,5 @@ test:
 
 production:
   <<: *default
-  database: db/production.sqlite3
+  database: web_production
+  password: <%= ENV['WEB_DATABASE_PASSWORD'] %>