Set Rails master key to allow CI to build

.github/workflows/ci.yml

@@ -60,7 +60,6 @@ jobs:
       postgres:
         image: postgres
         env:
-          POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
         ports:
           - 5432:5432
@@ -88,8 +87,9 @@ jobs:
       - name: Run tests
         env:
           RAILS_ENV: test
-          DATABASE_URL: postgres://postgres:postgres@localhost:5432
-          # REDIS_URL: redis://localhost:6379/0
+          RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
+          DB_USERNAME: ${{ secrets.DB_USERNAME }}
+          DB_PASSWORD: ${{ secrets.DB_PASSWORD }}
         run: bin/rails db:test:prepare test test:system
 
       - name: Keep screenshots from failed system tests

Gemfile

@@ -36,6 +36,8 @@ gem "bootsnap", require: false
 # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
 # gem "image_processing", "~> 1.2"
 
+gem "dotenv-rails", "~> 3.1"
+
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[ mri windows ], require: "debug/prelude"

Gemfile.lock

@@ -99,6 +99,10 @@ GEM
       irb (~> 1.10)
       reline (>= 0.3.8)
     diff-lcs (1.5.1)
+    dotenv (3.1.4)
+    dotenv-rails (3.1.4)
+      dotenv (= 3.1.4)
+      railties (>= 6.1)
     drb (2.2.1)
     erubi (1.13.0)
     globalid (1.2.1)
@@ -323,6 +327,7 @@ DEPENDENCIES
   brakeman
   capybara
   debug
+  dotenv-rails (~> 3.1)
   importmap-rails
   jbuilder
   pg (~> 1.1)