Change database to postgres from sqlite3

Author: jyoung488

Gemfile

@@ -9,7 +9,7 @@ end
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.0.1'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+
 # Use Puma as the app server
 gem 'puma', '~> 3.0'
 # Use SCSS for stylesheets
@@ -39,6 +39,7 @@ gem 'jbuilder', '~> 2.5'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platform: :mri
+  gem 'sqlite3'
 end
 
 group :development do
@@ -50,5 +51,9 @@ group :development do
   gem 'spring-watcher-listen', '~> 2.0.0'
 end
 
+group :production do
+  gem 'pg'
+end
+
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

Gemfile.lock

@@ -91,6 +91,7 @@ GEM
     nio4r (2.1.0)
     nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
+    pg (0.21.0)
     puma (3.9.0)
     rack (2.0.3)
     rack-test (0.6.3)
@@ -172,6 +173,7 @@ DEPENDENCIES
   jbuilder (~> 2.5)
   jquery-rails
   listen (~> 3.0.5)
+  pg
   puma (~> 3.0)
   rails (~> 5.0.1)
   sass-rails (~> 5.0)
@@ -184,4 +186,4 @@ DEPENDENCIES
   web-console (>= 3.3.0)
 
 BUNDLED WITH
-   1.14.6
+   1.15.1

config/database.yml

@@ -11,15 +11,23 @@ default: &default
 
 development:
   <<: *default
-  database: db/development.sqlite3
+  adapter: postgresql
+  database: my_database_development
+  pool: 5
+  timeout: 5000
 
 # 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.
 test:
   <<: *default
-  database: db/test.sqlite3
+  adapter: postgresql
+  database: my_database_development
+  pool: 5
+  timeout: 5000
 
 production:
-  <<: *default
-  database: db/production.sqlite3
+  adapter: postgresql
+  database: my_database_development
+  pool: 5
+  timeout: 5000

db/schema.rb

@@ -0,0 +1,18 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 0) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+end