Fix CI

.gitea/workflows/docker.yml

@@ -5,21 +5,33 @@ on: [push]
 jobs:
   build_and_publish:
     runs-on: [ubuntu-latest]
-    permissions:
-      contents: read
-      packages: write
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: git.i-am.nexus/nex/link-elongater
+
       - name: Log into forgejo CR
+        if: ${{ github.event_name != 'pull_request' }}
         uses: docker/login-action@v3
         with:
           registry: git.i-am.nexus
           username: nex
-          password: ${{ secrets.CR_TOKEN }}
-      - name: Build Docker image
-        run: |
-          docker build -t git.i-am.nexus/nex/link-elongater:latest .
-      - name: Push to forgejo CR
-        run: |
-          docker push -a git.i-am.nexus/nex/link-elongater
+          password: ${{ secrets.CR_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=git.i-am.nexus/nex/link-elongater:master
+          cache-to: type=inline