Automatically build latest Docker image

.github/workflows/build-docker-image.yml

@@ -0,0 +1,47 @@
+name: 'build'
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+
+jobs:
+  build-and-publish-latest:
+    name: 'Build latest'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2 # Checking out the repo
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            tracksapp/tracks:latest
+            tracksapp/tracks:master
+            ghcr.io/TracksApp/tracks:latest
+
+#ghcr.io/TracksApp/tracks:1.0.0
+#tracksapp/tracks:1.0.0

test-envs/docker-compose-2.6-mysql.yml

@@ -1,29 +0,0 @@
-version: '3'
-services:
-  db:
-    image: mysql:5.7
-    environment:
-      MYSQL_ALLOW_EMPTY_PASSWORD: 1
-      MYSQL_DATABASE: ${TRACKS_DB:-tracks}
-    volumes:
-      - db-data:/var/lib/mysql
-  web:
-    build:
-      context: ..
-      dockerfile: Dockerfile-2.6
-    environment:
-      # These are set in script/ci-build, so we need to pass-thru them.
-      RAILS_ENV: $RAILS_ENV
-      DATABASE_NAME: $DATABASE_NAME
-      DATABASE_USERNAME: root
-      DATABASE_PASSWORD_EMPTY: 1
-    volumes:
-      - ${VOLUME:-..}:/app:Z
-      - ${VOLUME:-..}/config/database.docker.yml:/app/config/database.yml:Z
-      - ${VOLUME:-..}/config/site.docker.yml:/app/config/site.yml:Z
-    ports:
-      - 3000:3000
-    depends_on:
-      - db
-volumes:
-  db-data: