ci: switch to dind runner for Docker build and push

.gitea/workflows/build-and-push.yml

@@ -7,45 +7,37 @@ on:
     tags:
       - "v*"
 
-env:
-  REGISTRY: gitea.jeanlucmakiola.de
-  IMAGE_NAME: ${{ gitea.repository }}
-
 jobs:
   build-and-push:
-    runs-on: ubuntu-latest
+    runs-on: dind
+    container:
+      image: docker:cli
+    services:
+      dind:
+        image: docker:dind
+        options: --privileged
+        env:
+          DOCKER_TLS_CERTDIR: ""
+    env:
+      DOCKER_HOST: tcp://dind:2375
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.GITEA_TOKEN }}
-
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' }}
+      - name: Log in to Gitea registry
+        run: |
+          REGISTRY="${{ gitea.server_url }}"
+          REGISTRY="${REGISTRY#https://}"
+          REGISTRY="${REGISTRY#http://}"
+          echo "${{ secrets.GITEA_TOKEN }}" | docker login "$REGISTRY" -u "${{ gitea.actor }}" --password-stdin
 
       - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+        run: |
+          REGISTRY="${{ gitea.server_url }}"
+          REGISTRY="${REGISTRY#https://}"
+          REGISTRY="${REGISTRY#http://}"
+          IMAGE="$REGISTRY/${{ gitea.repository }}"
+          docker build -t "$IMAGE:${{ gitea.sha }}" -t "$IMAGE:latest" .
+          docker push "$IMAGE:${{ gitea.sha }}"
+          docker push "$IMAGE:latest"