Set up CI

.github/workflows/verify.yml

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+name: .github/workflows/verify.yml
+
+on: [push]
+
+jobs:
+  #
+  #
+  #  Unit Tests
+  #
+  #
+  unit_tests:
+    runs-on: ubuntu-latest
+
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+
+    - name: Install PostgreSQL client
+      run: |
+        sudo apt-get -yqq install libpq-dev
+
+    - name: Build App
+      env:
+        PGHOST: localhost
+        PGUSER: postgres
+        PGPASSWORD: postgres
+        RAILS_ENV: test
+      run: |
+        bin/rails db:setup
+
+    - name: Prep assets
+      env:
+        PGHOST: localhost
+        PGUSER: postgres
+        PGPASSWORD: postgres
+        RAILS_ENV: test
+      run: |
+        bundle install && yarn install && yarn build:css && yarn build
+
+    - name: Execute unit tests
+      env:
+        PGHOST: localhost
+        PGUSER: postgres
+        PGPASSWORD: postgres
+        RAILS_ENV: test
+      run: |
+        ./bin/rails test
+
+  #
+  #
+  #  Rubocop
+  #
+  #
+  rubocop:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: ruby/setup-ruby@v1
+
+      - name: Run rubocop
+        run: |
+          gem install rubocop
+          rubocop app/
+
+  #
+  #
+  #  Reek
+  #
+  #
+  reek:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: ruby/setup-ruby@v1
+
+      - name: Run Reek
+        run: |
+          gem install reek
+          reek app/

.reek.yml

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+detectors:
+  IrresponsibleModule:
+    enabled: false
+  DuplicateMethodCall:
+    enabled: false
+
+exclude_paths:
+  - ./**/example*
+
+# from https://github.com/troessner/reek#working-with-rails
+directories:
+  "app/controllers":
+    IrresponsibleModule:
+      enabled: false
+    NestedIterators:
+      max_allowed_nesting: 2
+    UnusedPrivateMethod:
+      enabled: false
+    InstanceVariableAssumption:
+      enabled: false
+  "app/helpers":
+    IrresponsibleModule:
+      enabled: false
+    UtilityFunction:
+      enabled: false
+  "app/mailers":
+    InstanceVariableAssumption:
+      enabled: false
+  "app/models":
+    InstanceVariableAssumption:
+      enabled: false
+# from https://github.com/troessner/reek#working-with-rails

.rubocop.yml

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+inherit_from: .rubocop_todo.yml
+Style/Documentation:
+  Enabled: false

.rubocop_todo.yml

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+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2023-07-30 00:15:29 UTC using RuboCop version 1.55.0.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: around, only_before
+Layout/EmptyLinesAroundAccessModifier:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: normal, indented_internal_methods
+Layout/IndentationConsistency:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: Width, AllowedPatterns.
+Layout/IndentationWidth:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+Layout/SpaceInsidePercentLiteralDelimiters:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+Lint/RedundantCopDisableDirective:
+  Exclude:
+    - 'app/models/experiment.rb'
+
+# Offense count: 6
+# Configuration parameters: AllowedConstants.
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - 'app/controllers/examples_controller.rb'
+    - 'app/helpers/application_helper.rb'
+    - 'app/helpers/examples_helper.rb'
+    - 'app/mailers/application_mailer.rb'
+    - 'app/models/application_record.rb'
+    - 'app/models/user.rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: compact, expanded
+Style/EmptyMethod:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+
+# Offense count: 14
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: always, always_true, never
+Style/FrozenStringLiteralComment:
+  Exclude:
+    - 'app/channels/application_cable/channel.rb'
+    - 'app/channels/application_cable/connection.rb'
+    - 'app/controllers/application_controller.rb'
+    - 'app/controllers/examples_controller.rb'
+    - 'app/helpers/application_helper.rb'
+    - 'app/helpers/examples_helper.rb'
+    - 'app/jobs/application_job.rb'
+    - 'app/mailers/application_mailer.rb'
+    - 'app/models/application_record.rb'
+    - 'app/models/example.rb'
+    - 'app/models/user.rb'
+    - 'app/views/examples/_example.json.jbuilder'
+    - 'app/views/examples/index.json.jbuilder'
+    - 'app/views/examples/show.json.jbuilder'
+
+# Offense count: 7
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
+# SupportedStyles: single_quotes, double_quotes
+Style/StringLiterals:
+  Exclude:
+    - 'app/controllers/examples_controller.rb'
+    - 'app/mailers/application_mailer.rb'
+    - 'app/views/examples/index.json.jbuilder'
+    - 'app/views/examples/show.json.jbuilder'