add git workflow

.gitea/workflows/build-push.yaml

@@ -0,0 +1,115 @@
+name: Build and Push Container Image
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - "deploy/**"
+env:
+  REGISTRY: reg.milasholsting.dk
+  IMAGE_NAME: taskarr/taskarr
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          config-inline: |
+            [registry."reg.milasholsting.dk"]
+              http = false
+              insecure = true
+
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        flavor:
+          latest=false
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,prefix=sha-,format=short
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Containerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            DATABASE_URL=${{ secrets.DATABASE_URL }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Extract metadata for Migrator
+        id: meta-migrator
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-migrator
+          tags: |
+            type=sha,prefix=sha-,format=short
+            type=raw,value=latest
+
+      - name: Build and push Migrator image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Containerfile.migrator
+          push: true
+          tags: ${{ steps.meta-migrator.outputs.tags }}
+          labels: ${{ steps.meta-migrator.outputs.labels }}
+          build-args: |
+            DATABASE_URL=${{ secrets.DATABASE_URL }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Install Kustomize
+        run: |
+          curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
+          sudo mv kustomize /usr/local/bin/
+
+      - name: Update Kustomize
+        run: |
+          # 1. Extract specifically the SHA tag from the metadata outputs
+          # This looks at the JSON output and finds the tag matching our 'sha-' prefix
+          IMAGE_TAG=$(echo '${{ steps.meta.outputs.json }}' | jq -r '.tags[] | select(contains("sha-"))' | cut -d: -f2)
+          
+          echo "Targeting Tag: $IMAGE_TAG"
+
+          # 2. Update the manifest
+          cd deploy/overlays/production
+          kustomize edit set image election=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$IMAGE_TAG
+          
+          kustomize edit set image election-migration=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-migrator:$IMAGE_TAG
+      - name: Commit and Push Change
+        run: |
+          # 1. Set identity to fix the "Author identity unknown" error
+          git config user.name "Gitea Action"
+          git config user.email "actions@gitea.io"
+
+          # 2. Stage the change
+          git add deploy/overlays/production/kustomization.yaml
+
+          # 3. Only commit if the file actually changed (prevents empty commit errors)
+          if git diff --staged --quiet; then
+            echo "No changes to commit"
+          else
+            git commit -m "chore(deploy): update image to ${{ steps.meta.outputs.version }}"
+            git push origin master
+          fi