Test buildah builder

.forgejo/workflows/build.yaml

@@ -1,56 +1,38 @@
 on: [push]
 env:
-  REGISTRY: forgejo.sbox.hornwitser.no
-  REGISTRY_IMAGE: forgejo.sbox.hornwitser.no/furnavia/builder
+  REGISTRY: forge.hornwitser.no
+  REGISTRY_IMAGE: forge.hornwitser.no/furnavia/builder
 
 jobs:
   build:
-    runs-on: docker
-    container:
-      image: node:20-bookworm
+    runs-on: alpine
     steps:
       -
-        name: Install docker
+        name: Install buildah
         run: |
-          apt-get update
-          apt-get install -y --no-install-recommends ca-certificates curl git
-          install -m 0755 -d /etc/apt/keyrings
-          curl -sSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
-          chmod a+r /etc/apt/keyrings/docker.asc
-          echo \
-            "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] \
-            https://download.docker.com/linux/debian \
-            bookworm stable" \
-          > /etc/apt/sources.list.d/docker.list
-          apt-get update
-          apt-get install -y --no-install-recommends docker-ce-cli docker-buildx-plugin docker-compose-plugin
+          apk add buildah
       -
-        name: Get image tags
+        name: Compute image tags
         id: info
         shell: bash
         run: |
           tee -a ${GITHUB_OUTPUT} <<EOF
-          TAGS<<EOT
-          $(
-            echo ${{ env.REGISTRY_IMAGE }}:${{ github.ref_name }}
-            if [[ "${{ github.ref_name }}" =~ ^r[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-              echo ${{ env.REGISTRY_IMAGE }}:latest
-            elif [[ "${{ github.ref_name }}" == forgejo ]]; then
-              echo ${{ env.REGISTRY_IMAGE }}:development
-            fi
-          )
-          EOT
+          TAGS=${{ env.REGISTRY_IMAGE }}:${{ github.ref_name }}
           EOF
       -
-        name: Authenticate
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.REGISTRY_USERNAME }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
-          registry: ${{ env.REGISTRY }}
+        name: Checkout
+        uses: actions/checkout@v4
       -
-        name: Build and push
-        uses: docker/build-push-action@v6
+        name: Build
+        run: |
+          id
+          $GITHUB_WORKSPACE/builder.sh ${{ steps.info.outputs.TAGS }}
+      -
+        name: Authenticate with registry
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | buildah login ${{ env.REGISTRY }} --username "${{ secrets.REGISTRY_USERNAME }}" --password-stdin
+      -
+        name: Push
         with:
           push: true
           tags: ${{ steps.info.outputs.TAGS }}