use nix to build image for chart publish

.github/workflows/publish-chart.yaml

@@ -1,8 +1,10 @@
 name: Publish chart
 on:
   push:
+    branches:
+      - "**"
     tags:
-      - "v*.*.*"
+      - "*.*.*"
   workflow_dispatch:
 jobs:
   publish-chart:
@@ -17,19 +19,35 @@ jobs:
           token: ${{secrets.GITHUB_TOKEN }}
       - name: install dependencies
         run: pip install chartpress
-      - name: Publish chart and images
+      - uses: cachix/install-nix-action@v22
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - name: Flake check
+        run: nix flake check
+      - name: Run tests
+        uses: workflow/[email protected]
         env:
           DOCKER_USERNAME: ${{ secrets.RENKU_DOCKER_USERNAME }}
           DOCKER_PASSWORD: ${{ secrets.RENKU_DOCKER_PASSWORD }}
+        with:
+          flakes-from-devshell: true
+          flakes: .#csi-rclone-container-layerd
+          script: |
+            nix build .#csi-rclone-container-layerd && ./result | docker load
+            docker tag csi-rclone:latest renku/csi-rclone:latest
+            docker tag csi-rclone:latest renku/csi-rclone:${echo ${GITHUB_REF} |cut -d/ -f3}
+            echo ${DOCKER_PASSWORD}|docker login -u ${DOCKER_USERNAME} --password-stdin
+            docker push renku/csi-rclone:latest
+            docker push renku/csi-rclone:${echo ${GITHUB_REF} |cut -d/ -f3}
+
+      - name: Publish chart and images
         run: |
           cd deploy
           git config --global user.email "[email protected]"
           git config --global user.name "Renku Bot"
-          echo ${DOCKER_PASSWORD}|docker login -u ${DOCKER_USERNAME} --password-stdin
           export TAG=${echo ${GITHUB_REF} |cut -d/ -f3}
           helm dep update csi-rclone
           chartpress --tag $TAG
           helm lint csi-rclone
-          chartpress --tag $TAG --push --publish-chart
-          chartpress --tag latest --push
+          chartpress --tag $TAG --no-build --publish-chart
           

devenv/nix/containerImage.nix

@@ -20,4 +20,4 @@ pkgs.dockerTools.streamLayeredImage {
     mkdir -p ./plugin
     mkdir -p ./tmp
   '';
-}
+}