diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index b394709..af6dcd3 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -29,12 +29,41 @@ jobs:
       - name: Run tests
         run: uv run pytest
 
-  docker-build:
+  docker-push:
     runs-on: ubuntu-latest
     needs: test
+    if: gitea.event_name == 'push'
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Build Docker image
-        run: docker build -t shopping-list-api:${{ gitea.sha }} .
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Set image name (lowercase)
+        id: meta
+        run: |
+          IMAGE="${{ secrets.DOCKER_REGISTRY }}/${{ toLower(gitea.repository) }}"
+          echo "image=${IMAGE}" >> "$GITHUB_OUTPUT"
+
+      - name: Log in to Gitea container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ steps.meta.outputs.image }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push multi-arch image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ${{ steps.meta.outputs.image }}:${{ gitea.sha }}
+            ${{ steps.meta.outputs.image }}:latest
+          cache-from: type=registry,ref=${{ steps.meta.outputs.image }}:latest
+          cache-to: type=registry,ref=${{ steps.meta.outputs.image }}:latest,mode=max