Update 'Dockerfile'

.gitea/workflows/Build.yaml

@@ -0,0 +1,37 @@
+name: build only rgb-board
+run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
+on: 
+  push:
+    branches:
+      - "animate-separate"
+    paths-ignore:
+      - ".gitea/workflows/**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: 
+      image: registry.local/catthehacker-home:act-latest
+      volumes:
+        - /var/run/user/1000/docker.sock:/var/run/docker.sock
+    steps:
+      - uses: actions/checkout@v3
+      - name: short-sha
+        id: short-sha
+        run: echo "short-sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:                  
+          driver-opts: |
+             image=registry.local/buildkit-wagnerca:stable-3-rootless
+             seccomp=unconfined
+             apparmor=unconfined
+             systempaths=unconfined
+             privileged=false                          
+      - run: docker buildx ls
+      - name: push rgbboard
+        uses: docker/build-push-action@master
+        with:
+          push: false
+          tags: registry.local/rgbboard:${{ steps.short-sha.outputs.short-sha }}
+          platforms: linux/arm64,linux/amd64