add gitea workflow

.gitea/workflows/docker-builder.yml

@@ -0,0 +1,78 @@
+name: Docker Build Dynamic
+
+on:
+  push:
+    branches:
+      - 0.2.13
+  workflow_dispatch:
+
+env:
+  REGISTRY_HOST: git.pi-farm.de
+  # Nutzt das aktuelle Repo
+  IMAGE_BASE: ${{ gitea.repository }}
+
+jobs:
+  build:
+    name: Build amd64 & arm64
+    runs-on: buildx-multiarch
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set dynamic variables
+        run: |
+          # Branch Name als Version
+          VERSION=$(git rev-parse --abbrev-ref HEAD)
+          
+          # Zusammenbau der vollen Pfade
+          # Ziel: git.pi-farm.de/owner/repo
+          FULL_IMAGE_NAME="${{ env.REGISTRY_HOST }}/${{ env.IMAGE_BASE }}"
+          
+          # Ziel: git.pi-farm.de/owner/repo-cache
+          CACHE_IMAGE_NAME="${{ env.REGISTRY_HOST }}/${{ env.IMAGE_BASE }}-cache"
+          
+          echo "VERSION=$VERSION" >> $GITEA_ENV
+          echo "IMAGE_NAME=$FULL_IMAGE_NAME" >> $GITEA_ENV
+          echo "CACHE_IMAGE_NAME=$CACHE_IMAGE_NAME" >> $GITEA_ENV
+          echo "BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> $GITEA_ENV
+
+      - name: Login to registry
+        run: |
+          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login \
+            ${{ env.REGISTRY_HOST }} \
+            -u ${{ secrets.REGISTRY_USER }} \
+            --password-stdin
+      
+      - name: Setup buildx
+        run: |
+          docker buildx rm multiarch || true
+          docker buildx create --name multiarch --driver docker-container --use
+          docker buildx inspect --bootstrap
+                            
+      - name: Build & push amd64 (Cache)
+        run: |
+          docker buildx build \
+            --platform linux/amd64 \
+            -f Dockerfile \
+            --build-arg BUILD_DATE=${BUILD_DATE} \
+            --build-arg VERSION=${VERSION} \
+            -t ${CACHE_IMAGE_NAME}:${VERSION}-amd64 \
+            --push .
+
+      - name: Build & push arm64 (Cache)
+        run: |
+          docker buildx build \
+            --platform linux/arm64 \
+            -f Dockerfile.aarch64 \
+            --build-arg BUILD_DATE=${BUILD_DATE} \
+            --build-arg VERSION=${VERSION} \
+            -t ${CACHE_IMAGE_NAME}:${VERSION}-arm64 \
+            --push .
+
+      - name: Create and push manifest to Prod
+        run: |
+          docker buildx imagetools create \
+            -t ${IMAGE_NAME}:${VERSION} \
+            ${CACHE_IMAGE_NAME}:${VERSION}-amd64 \
+            ${CACHE_IMAGE_NAME}:${VERSION}-arm64