chore: add build workflow

.forgejo/workflows/build-docker-image.yaml

@@ -0,0 +1,66 @@
+name: Publish image
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  create-docker-images:
+    runs-on: host
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: git.alecodes.page
+          username: ${{ vars.CONTAINER_REGISTRY_USER }}
+          password: ${{ secrets.CONTAINER_REGISTRY_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          push: true
+          context: "{{defaultContext}}:docker"
+          tags: |
+            git.alecodes.page/alecodes/index:latest
+            git.alecodes.page/alecodes/index:${{ github.sha }}
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs:
+      - create-docker-images
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: 'Docker Stack Deploy'
+        uses: https://github.com/cssnr/stack-deploy-action@v1
+        with:
+          host: ${{ vars.DOCKER_SWARM_HOST }}
+          port: ${{ vars.DOCKER_SWARM_PORT }}
+          user: ${{ secrets.DOCKER_SWARM_USER }}
+          ssh_key: '${{ secrets.DOCKER_SWARM_SSH_KEY }}'
+          file: 'docker/docker-stack.yaml'
+          name: 'index'
+
+  rebase:
+    runs-on: ubuntu-latest
+    needs: deploy
+    if: success()
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: '0'
+          ref: content-update
+
+      - name: Update branch
+        run: |
+          set -x
+          git config --global user.name "robo"
+          git config --global user.email "robo@alecodes.page"
+          git rebase origin/main
+          git push origin content-update --force-with-lease