Rename run_cypress_tests to test & use buildx

buildx is used for faster builds
we also set up ghcr to use docker layer caching for hopefully even
faster build times

.github/workflows/docker-compose-cache.json

@@ -0,0 +1,70 @@
+{
+  "target": {
+    "redis": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/redis:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/redis:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    },
+    "solr": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/solr:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/solr:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    },
+    "db": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/db:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/db:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    },
+    "mailcatcher": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/mailcatcher:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/mailcatcher:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    },
+    "mampf": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/mampf:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/mampf:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    },
+    "cypress_runner": {
+      "cache-from": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/cypress_runner:cache"
+      ],
+      "cache-to": [
+        "type=registry,ref=ghcr.io/MaMpf-HD/cypress_runner:cache"
+      ],
+      "output": [
+        "type=docker"
+      ]
+    }
+  }
+}

.github/workflows/tests.yml

@@ -0,0 +1,69 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+      - experimental
+  pull_request:
+    types: [opened, reopened, synchronize, ready_for_review]
+
+jobs:
+  unit-test-job:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+            submodules: recursive
+
+      - name: Build docker images
+        run: docker buildx bake --file docker/test/docker-compose.yml --file .github/workflows/docker-compose-cache.json
+
+      # For docker layer caching also see this article [1]
+      # - name: Build docker images
+      #   uses: docker/build-push-action@v5
+      #   with:
+      #     push: false # only build
+      #     context: .
+      #     cache-from: type=gha
+      #     cache-to: type=gha,mode=max
+
+      - name: Create and migrate DB
+        run: docker compose run --entrypoint "" mampf sh -c "rake db:create db:migrate db:test:prepare"
+        working-directory: docker/test
+
+      - name: Reindex sunspot
+        working-directory: docker/test
+        run: |
+            docker compose run --entrypoint=""  mampf  sh -c "RAILS_ENV=test rake sunspot:reindex"
+
+      - name: Run unit tests
+        working-directory: docker/test
+        run: docker compose run --entrypoint="" mampf  sh -c "RAILS_ENV=test rails spec"
+
+      - name: Send test coverage report to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+            files: ./coverage/coverage.xml
+            fail_ci_if_error: true
+            verbose: true
+
+# [1] https://depot.dev/blog/docker-layer-caching-in-github-actions#docker-layer-caching-in-github-actions
+# https://stackoverflow.com/questions/61491484/how-to-cache-docker-compose-build-inside-github-action
+# https://docs.docker.com/build/ci/github-actions/cache/
+# https://github.com/docker/build-push-action/issues/493#issuecomment-961559685
+# https://github.com/orgs/community/discussions/25728
+# https://www.deploysentinel.com/blog/docker-buildx-cache-with-github-actions

docker/run_cypress_tests/docker-compose.local.yml → docker/test/docker-compose.local.yml

@@ -30,12 +30,12 @@ services:
   mampf:
     build:
       context: ./../..
-      dockerfile: docker/run_cypress_tests/Dockerfile
+      dockerfile: docker/test/Dockerfile
     image: mampf:tests
     ports:
       - "127.0.0.1:3000:3000"
     # TODO: Use this
-    # entrypoint: /usr/src/app/docker/run_cypress_tests/run_tests.sh
+    # entrypoint: /usr/src/app/docker/test/run_tests.sh
     entrypoint: ./entrypoint.sh
     environment:
       RAILS_ENV: test
@@ -75,7 +75,7 @@ services:
     image: mampf-cypress
     build:
       context: ./../..
-      dockerfile: docker/run_cypress_tests/Dockerfile_cypress
+      dockerfile: docker/test/Dockerfile_cypress
     environment:
       CYPRESS_baseUrl: http://mampf:3000
     entrypoint: bash -c "while ! curl -s $$CYPRESS_baseUrl > /dev/null; do echo waiting for MaMpf to come online at $$CYPRESS_baseUrl; sleep 1; done; npx cypress run $$@"

docker/run_cypress_tests/docker-compose.yml → docker/test/docker-compose.yml

@@ -36,10 +36,10 @@ services:
   mampf:
     build:
       context: ./../..
-      dockerfile: docker/run_cypress_tests/Dockerfile
+      dockerfile: docker/test/Dockerfile
     image: mampf:tests
     # TODO: Use this
-    # entrypoint: /usr/src/app/docker/run_cypress_tests/run_tests.sh
+    # entrypoint: /usr/src/app/docker/test/run_tests.sh
     entrypoint: /usr/src/app/entrypoint.sh
     environment:
       RAILS_ENV: test
@@ -83,7 +83,7 @@ services:
     image: mampf-cypress
     build:
       context: ./../..
-      dockerfile: docker/run_cypress_tests/Dockerfile_cypress
+      dockerfile: docker/test/Dockerfile_cypress
     environment:
       CYPRESS_baseUrl: http://mampf:3000
     volumes: