Use Docker bake to build targets

.gitea/workflows/docker-kubernetes.yaml

@@ -6,17 +6,16 @@ on:
       generate_crds:
         description: Runs a binary called gencrd in the docker container and writes the output to ./manifests/crds.yaml
         type: boolean
-      upload_manifests:
+      push_manifests:
-        description: Upload manifest files to OCI repository
+        description: Push manifest files to OCI repository
         default: true
         type: boolean
       webhook_url:
         description: Webhook to call after build is completed
         type: string
     outputs:
-      digest:
+      images:
-        description: Digest of the build docker container
+        value: ${{ jobs.build.outputs.images }}
-        value: ${{ jobs.build.outputs.digest }}
 
 env:
   OCI_REPO: git.huizinga.dev/dreaded_x/${{ gitea.event.repository.name}}
@@ -26,7 +25,7 @@ jobs:
     name: Build container and manifests
     runs-on: ubuntu-latest
     outputs:
-      digest: ${{ steps.build.outputs.digest }}
+      images: ${{ steps.images.outputs.images }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -49,12 +48,12 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Install kustomize
-        if: inputs.upload_manifests == true
+        if: inputs.push_manifests == true
         run: |
           curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"  | bash
 
       - name: Setup Flux CLI
-        if: inputs.upload_manifests == true
+        if: inputs.push_manifests == true
         uses: https://github.com/fluxcd/flux2/action@main
         with:
           version: v2.5.0
@@ -63,7 +62,6 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.OCI_REPO }}
           tags: |
             type=edge
             type=ref,event=branch
@@ -71,35 +69,42 @@ jobs:
             type=semver,pattern=v{{major}}.{{minor}}
             type=semver,pattern=v{{major}}
 
-      - name: Build container
+      - name: Bake containers
-        id: build
+        id: bake
-        uses: docker/build-push-action@v6
+        uses: docker/bake-action@v6
         with:
-          context: .
+          files: |
+            ./docker-bake.hcl
+            cwd://${{ steps.meta.outputs.bake-file }}
           push: true
           sbom: true
           provenance: mode=max
-          tags: ${{ steps.meta.outputs.tags }}
-          annotations: ${{ steps.meta.outputs.annotations }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-          build-args: |
-            "RELEASE_VERSION=${{ env.RELEASE_VERSION }}"
         env:
+          TAG_BASE: ${{ env.OCI_REPO }}
+          RELEASE_VERSION: ${{ env.RELEASE_VERSION }}
           SOURCE_DATE_EPOCH: ${{ env.TIMESTAMP }}
 
+      - name: Output images
+        id: images
+        run: |
+          METADATA='${{ steps.bake.outputs.metadata }}'
+          IMAGES=$(echo ${METADATA} | jq 'map_values((."image.name" | split(",|:";""))[0] + "@" + ."containerimage.digest")')
+          echo images=${IMAGES} >> $GITHUB_OUTPUT
+
+      # TODO: Move this into docker-bake.hcl
       - name: Generate CRDs
         if: inputs.generate_crds == true
         run: |
           docker run --rm ${{ env.OCI_REPO }}@${{ steps.build.outputs.imageid }} /crdgen > ./manifests/crds.yaml
 
       - name: Kustomize manifests
-        if: inputs.upload_manifests == true
+        if: inputs.push_manifests == true
         run: |
+          # TODO: Fix this
           ./kustomize build ./manifests | sed "s/\${DIGEST}/${{ steps.build.outputs.digest }}/" > ./manifests.yaml
 
       - name: Push manifests
-        if: inputs.upload_manifests == true
+        if: inputs.push_manifests == true
         run: |
           flux push artifact oci://${{ env.OCI_REPO }}/manifests:${{ gitea.head_ref || gitea.ref_name }} \
             --path="./manifests.yaml" \