Update datebase.yml for PostgreSQL

Author: Yuma Soga

Gemfile

@@ -37,6 +37,7 @@ gem 'omniauth-slack'
 
 gem 'bootsnap'
 
+gem "pg"
 
 group :development, :test do
   # Use sqlite3 as the database for Active Record
@@ -47,7 +48,6 @@ group :development, :test do
   gem 'rspec-rails'
   gem 'factory_bot_rails'
   gem 'rails-controller-testing'
-  
   gem 'erb2haml'
 end
 
@@ -65,7 +65,3 @@ group :development do
   gem 'spring'
   gem 'listen'
 end
-
-group :production do
-  gem "pg", '0.21.0'
-end

Gemfile.lock

@@ -319,7 +319,7 @@ DEPENDENCIES
   kramdown (~> 1.1.0)
   listen
   omniauth-slack
-  pg (= 0.21.0)
+  pg
   rails (= 5.2.0)
   rails-controller-testing
   rest-client
@@ -336,4 +336,4 @@ DEPENDENCIES
   web-console (~> 2.0)
 
 BUNDLED WITH
-   1.16.1
+   1.16.2

config/database.yml

@@ -9,10 +9,6 @@ default: &default
   pool: 5
   timeout: 5000
 
-development:
-  <<: *default
-  database: db/development.sqlite3
-
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
@@ -24,4 +20,13 @@ production:
  <<: *default
  adapter: postgresql
  encoding: unicode
- pool: 5
+ pool: 5
+
+development:
+ <<: *default
+ adapter: postgresql
+ encoding: unicode
+ database: rails_db
+ pool: 5
+ username: rails
+ host: localhost

db/schema.rb

@@ -10,7 +10,10 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180422104154) do
+ActiveRecord::Schema.define(version: 2018_04_22_104154) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
 
   create_table "posts", force: :cascade do |t|
     t.text "body"