Tag workflow test

.github/workflows/on-tag.yml

@@ -1,62 +1,16 @@
 name: Automatically Build image on tag
 env:
         DOCKER_CLI_EXPERIMENTAL: enabled
-        TAG_FMT: '^refs/tags/(((.?[0-9]+){3,4}))$'
 
 on:
         push:
-                tags: [ '*' ]
+                tags: 
+                  - v[0-9]+.[0-9]+.[0-9]+
+                  - v[0-9]+.[0-9]+.[0-9]+-*
 
 jobs:
         build:
-                runs-on: ubuntu-18.04
+                runs-on: ubuntu-latest
                 name: Build / Push Umbrel Dashboard on version tag
                 steps:
-                        - name: Setup Environment
-                          run: |
-                                  if ! echo "$GITHUB_REF" | grep -qE "$TAG_FMT"; then
-                                        echo "ERR: TAG must be in format: vX.Y.Z or X.Y.Z or vW.X.Y.Z or W.X.Y.Z"
-                                        exit 1
-                                  fi
-                                  VERSION="$(echo "$GITHUB_REF" | sed -E "s|$TAG_FMT|\2|")"
-                                  
-                                  TAG="$(echo "$GITHUB_REF" | sed -E "s|$TAG_FMT|\1|")"
-                                  echo ::set-env name=TAG::"$TAG"
-                                  
-                        - name: Show set environment variables
-                          run: |
-                                  printf "    TAG: %s\n"  "$TAG"                                  
-                        - name: Login to Docker for building
-                          run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
-                        - name: Checkout project
-                          uses: actions/checkout@v2
-                        - name: Setup Docker buildx Action
-                          uses: crazy-max/ghaction-docker-buildx@v1
-                          id: buildx
-                          with:
-                                  buildx-version: latest
-                                  qemu-version: latest
-                        - name: Available platforms
-                          run: echo ${{ steps.buildx.outputs.platforms }}
-                        - name: Run Docker build X (against tag)
-                          run: |
-                                  docker buildx build \
-                                  --platform linux/amd64,linux/386,linux/arm/v7,linux/arm64 \
-                                  -t getumbrel/dashboard:$TAG \
-                                  --output "type=registry" \
-                                  .
-                        - name: Run Docker build X (against latest)
-                          run: |
-                                  docker buildx build \
-                                  --platform linux/amd64,linux/386,linux/arm/v7,linux/arm64 \
-                                  -t getumbrel/dashboard:latest \
-                                  --output "type=registry" \
-                                  .
-                        - name: Run Docker buildx (against stage)
-                          run: |
-                                docker buildx build \
-                                --platform linux/amd64 \
-                                -f ./Dockerfile.stage \
-                                -t getumbrel/dashboard:stage \
-                                --output "type=registry" \
-                                .
+                  - run: echo $TAG