makes postgres the dev database

Gemfile

@@ -9,7 +9,7 @@ ruby '2.5.3'
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.2.1'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3'
+gem 'pg'
 # Use Puma as the app server
 gem 'puma', '~> 3.11'
 # Use SCSS for stylesheets

Gemfile.lock

@@ -174,6 +174,7 @@ GEM
       terrapin (~> 0.6.0)
     paranoia (2.4.1)
       activerecord (>= 4.0, < 5.3)
+    pg (1.1.3)
     public_suffix (3.0.3)
     puma (3.12.0)
     rack (2.0.5)
@@ -306,7 +307,6 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.3.13)
     state_machines (0.5.0)
     state_machines-activemodel (0.5.1)
       activemodel (>= 4.1, < 6.0)
@@ -351,6 +351,7 @@ DEPENDENCIES
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
   listen (>= 3.0.5, < 3.2)
+  pg
   puma (~> 3.11)
   rails (~> 5.2.1)
   sass-rails (~> 5.0)
@@ -359,7 +360,6 @@ DEPENDENCIES
   solidus_auth_devise
   spring
   spring-watcher-listen (~> 2.0.0)
-  sqlite3
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)

config/database.yml

@@ -1,25 +1,12 @@
-# SQLite version 3.x
-#   gem install sqlite3
-#
-#   Ensure the SQLite 3 gem is defined in your Gemfile
-#   gem 'sqlite3'
-#
 default: &default
-  adapter: sqlite3
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  timeout: 5000
+  adapter: postgresql
+  encoding: unicode
+  pool: 5
 
 development:
   <<: *default
-  database: db/development.sqlite3
+  database: spectrum-reg_development
 
-# 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
-
-production:
-  <<: *default
-  database: db/production.sqlite3
+  database: spectrum-reg_test

db/schema.rb

@@ -12,6 +12,9 @@
 
 ActiveRecord::Schema.define(version: 2018_11_02_023650) do
 
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -842,7 +845,7 @@
     t.index ["deleted_at"], name: "index_spree_stock_items_on_deleted_at"
     t.index ["stock_location_id", "variant_id"], name: "stock_item_by_loc_and_var_id"
     t.index ["stock_location_id"], name: "index_spree_stock_items_on_stock_location_id"
-    t.index ["variant_id", "stock_location_id"], name: "index_spree_stock_items_on_variant_id_and_stock_location_id", unique: true, where: "deleted_at is null"
+    t.index ["variant_id", "stock_location_id"], name: "index_spree_stock_items_on_variant_id_and_stock_location_id", unique: true, where: "(deleted_at IS NULL)"
   end
 
   create_table "spree_stock_locations", force: :cascade do |t|