feat: update github workflow

.github/workflows/build-docker.yml

@@ -1,8 +1,6 @@
 name: container-images
 
-
 on:
-  workflow_dispatch:
   push:
     branches: [ "main" ]
     tags: [ "v*" ]
@@ -20,10 +18,32 @@ jobs:
     - uses: docker/setup-qemu-action@v3
     - uses: docker/setup-buildx-action@v3
 
-    - run: echo "IMAGE_TAG=main" >> $GITHUB_ENV
-      if: github.ref_name == 'main'
-    - run: echo "IMAGE_TAG=${GITHUB_REF##*/}" >> $GITHUB_ENV
-      if: startsWith(github.ref, 'refs/tags/v')
+    - name: Set ALL_TAGS
+      env:
+        REPOSITORY: '${{ github.repository }}'
+      run: |
+        # tag main if main branch
+        if [[ "${{ github.ref_name }}" == "main" ]]; then
+          image_tags=("main")
+        # tag with tag name if tag
+        elif [[ "${{ github.ref }}" == refs/tags/v* ]]; then
+          image_tags=("${{ github.ref_name }}")
+          # tag with latest if tag is a new major, minor or patch version
+          if [[ "${{ github.ref_name}}" =~ ^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$ ]]; then
+            image_tags+=("latest")
+          fi
+        fi
+
+        lc_repo=${REPOSITORY,,}
+
+        image_paths=()
+        for tag in ${image_tags[@]}; do
+          image_paths+=("ghcr.io/$lc_repo:$tag")
+        done
+
+        # join with ',' and then skip first character
+        ALL_TAGS=$(printf ',%s' "${image_paths[@]}")
+        echo "ALL_TAGS=${ALL_TAGS:1}" >>$GITHUB_ENV
 
     - name: Login to ghcr.io
       uses: docker/login-action@v3
@@ -32,35 +52,10 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    # TODO:(matej) upload images to dockerhub?
-    # - name: Login to docker.io
-    #   uses: docker/login-action@v3
-    #   with:
-    #     username: ${{ secrets.DOCKER_HUB_UID }}
-    #     password: ${{ secrets.DOCKER_HUB_PAT }}
-
-    - name: Build and push image for tags
-      uses: docker/build-push-action@v6
-      if: startsWith(github.ref, 'refs/tags/v')
-      with:
-        context: . # Because GH actions are for kids and put protection on everything; https://stackoverflow.com/a/71159809/11276254
-        file: Dockerfile
-        platforms: linux/amd64,linux/arm64
-        push: true
-        tags: |
-          ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
-          ghcr.io/${{ github.repository }}:latest
-          # ${{ secrets.DOCKER_HUB_REPO }}:${{ env.IMAGE_TAG }}
-          # ${{ secrets.DOCKER_HUB_REPO }}:latest
-
-    - name: Build and push image for main
-      uses: docker/build-push-action@v6
-      if: github.ref_name == 'main'
+    - name: Build and push default image
+      uses: docker/build-push-action@v5
       with:
         context: . # Because GH actions are for kids and put protection on everything; https://stackoverflow.com/a/71159809/11276254
-        file: Dockerfile
         platforms: linux/amd64,linux/arm64
         push: true
-        tags: |
-          ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
-
+        tags: ${{ env.ALL_TAGS }}