rails version bump and postgres migration

.github/workflows/ci.yml

@@ -7,6 +7,22 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_USER: propro_test
+          POSTGRES_PASSWORD: propro_test
+          POSTGRES_DB: propro_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
     steps:
       - uses: actions/checkout@v4
 
@@ -19,13 +35,22 @@ jobs:
         run: bin/rails db:schema:load
         env:
           RAILS_ENV: test
+          PGHOST: 127.0.0.1
+          PGUSER: propro_test
+          PGPASSWORD: propro_test
 
       - name: Run tests
         run: bin/rails test
         env:
           RAILS_ENV: test
+          PGHOST: 127.0.0.1
+          PGUSER: propro_test
+          PGPASSWORD: propro_test
 
       - name: Run system tests
         run: bin/rails test:system
         env:
-          RAILS_ENV: test
+          RAILS_ENV: test
+          PGHOST: 127.0.0.1
+          PGUSER: propro_test
+          PGPASSWORD: propro_test

.ruby-version

@@ -1 +1 @@
-ruby-3.4.7
+ruby-4.0.6

Gemfile

@@ -1,13 +1,13 @@
 source 'https://rubygems.org'
-ruby '3.4.7'
+ruby '4.0.6'
 
 gem 'csv', require: false
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem 'rails', '>= 8.0.2'
 # The modern asset pipeline for Rails [https://github.com/rails/propshaft]
 gem 'propshaft'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3', '>= 2.1'
+# Use postgres as the database for Active Record
+gem 'pg'
 # Use the Puma web server [https://github.com/puma/puma]
 gem 'puma', '>= 5.0'
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]