add workflow and fix hash

.gitea/workflows/build-and-publish.yaml

@@ -0,0 +1,66 @@
+name: Build and Publish
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: ${{ format('{0}', replace(replace(github.server_url, 'https://', ''), 'http://', '')) }}
+  # Dynamically extracts just the repository name (e.g., 'my-repo' from 'owner/my-repo')
+  CHART_NAME: ${{ github.event.repository.name }}
+  IMAGE_NAME: ${{ github.event.repository.name }}
+
+jobs:
+  build-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+
+      - name: Build Docker Image via Nix Flake
+        run: |
+          nix build ./build/#dockerImage
+          docker load -i result
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Tag and Push Docker Image
+        run: |
+          VERSION=${{ github.run_number }}
+          TARGET_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          
+          # Replace 'nix-built-image:latest' with your flake's internal image name
+          docker tag nix-built-image:latest $TARGET_IMAGE:$VERSION
+          docker push $TARGET_IMAGE:$VERSION
+
+      - name: Setup Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: v3.14.0
+
+      - name: Package Helm Chart
+        run: |
+          VERSION=${{ github.run_number }}
+          # Packages the chart using the dynamically injected repo name
+          helm package ops/chart --version $VERSION --app-version $VERSION
+
+- name: Push Helm Chart to Gitea Registry
+        run: |
+          VERSION=${{ github.run_number }}
+          CHART_FILE=${{ env.CHART_NAME }}-${VERSION}.tgz
+          
+          curl --user "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}" \
+               -X POST \
+               --upload-file ./$CHART_FILE \
+               "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/helm/api/charts"