Nix CI tryouts

.gitea/workflows/build-image.yml

@@ -1,32 +1,10 @@
 name: Build image
 on:
-  push:
-    tags:
-      - 'v*'
+  pull_request:
 jobs:
   build-image:
-    container:
-      image: catthehacker/ubuntu:act-latest
+    runs-on: nix
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
-        # Required for installing nix
-      - name: Install sudo
-        run: apt-get update && apt-get install -y sudo
-      - name: Install Nix
-        uses: cachix/install-nix-action@v31
-        with:
-          enable_kvm: false
-      - name: Get image meta
-        run: nix build .#image-meta -o image-meta
-      - name: Version check
-        run: |
-          VERSION=$(cat image-meta/version)
-          [ "$GITHUB_REF_NAME" = v"$VERSION" ]
-      - name: Build image
-        run: nix build .#image -o image.tar.gz
-      - run: docker login -u paul -p "$PASSWORD" git.pbrinkmeier.de
-        env:
-          PASSWORD: "${{ secrets.REGISTRY_PASSWORD }}"
-      - run: docker load < image.tar.gz
-      - run: docker image push $(cat image-meta/name)
+      - run: ls -lah