added mikrotik-tailscale setup

.forgejo/workflows/mikrotik-tailscale.yml

@@ -0,0 +1,66 @@
+# Workflow name
+name: Build and Push mikrotik-tailscale Container
+
+# Run-name for each workflow run
+run-name: Build and Push mikrotik-tailscale Container
+on:
+  push:
+    branches:
+    - main
+    paths:
+    - 'containers/mikrotik-tailscale/**'
+    - '.forgejo/workflows/mikrotik-tailscale.yml'
+  workflow_dispatch: {}
+  schedule:
+  - cron: '0 18 * * 5' # Runs every Friday at 6 PM UTC
+
+env:
+  CONTAINER_NAME: mikrotik-tailscale
+  # USER: ${{ github.actor }}
+  USER: hbms
+
+jobs:
+  build-and-push-arch:
+    runs-on: ${{ matrix.arch }}
+    strategy:
+      matrix:
+        arch: [ amd64, arm64 ]
+    container:
+      image: ghcr.io/catthehacker/ubuntu:act-22.04
+    steps:
+    - name: Prepare environment variables
+      run: |
+        echo "$HOME/.local/bin" >> "$GITHUB_PATH"
+        echo REGISTRY=${{ vars.REGISTRY }} >> $GITHUB_ENV
+
+    - name: Checkout the repo
+      uses: actions/checkout@v4
+
+    - name: Login to the registry
+      uses: docker/login-action@v3
+      with:
+        registry: ${{ vars.REGISTRY }}
+        username: ${{ env.USER }}
+        password: ${{ secrets.PACKAGE_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v6
+      with:
+        context: ./containers/alpine/
+        file: ./containers/alpine/Dockerfile
+        push: true
+        provenance: false
+        tags: ${{ vars.REGISTRY }}/${{ env.USER }}/${{ env.CONTAINER_NAME }}-${{ matrix.arch }}:latest
+
+  merge-images-via-manifest:
+    runs-on: amd64
+    needs: build-and-push-arch
+    container:
+      image: ghcr.io/catthehacker/ubuntu:act-22.04
+    steps:
+    - name: Generate and push multi-arch manifest
+      run: |
+        echo REGISTRY=${{ vars.REGISTRY }} >> $GITHUB_ENV
+        echo ${{ secrets.PACKAGE_TOKEN }} | docker login ${{ vars.REGISTRY }} -u ${USER} --password-stdin
+        docker manifest create ${{ vars.REGISTRY }}/${USER}/${{ env.CONTAINER_NAME }}:latest ${{ vars.REGISTRY }}/${USER}/${{ env.CONTAINER_NAME }}-amd64:latest ${{ vars.REGISTRY }}/${USER}/${{ env.CONTAINER_NAME }}-arm64:latest
+        docker manifest push ${{ vars.REGISTRY }}/${USER}/${{ env.CONTAINER_NAME }}:latest