ci: group job

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -265,3 +265,32 @@ jobs:
             *.platform=linux/amd64
             *.output=type=image,"name=localhost:5000/name/app:v1.0.0,localhost:5000/name/app:latest",push=true
             *.tags=
+
+  group:
+    runs-on: ubuntu-latest
+    services:
+      registry:
+        image: registry:2
+        ports:
+          - 5000:5000
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          version: ${{ inputs.buildx-version || env.BUILDX_VERSION }}
+          driver-opts: |
+            image=${{ inputs.buildkit-image || env.BUILDKIT_IMAGE }}
+            network=host
+      -
+        name: Build and push
+        uses: ./
+        with:
+          workdir: ./test/group
+          push: true
+          set: |
+            t1.tags=localhost:5000/name/app:t1
+            t2.tags=localhost:5000/name/app:t2

test/group/Dockerfile

@@ -0,0 +1,7 @@
+# syntax=docker/dockerfile:1
+
+FROM busybox AS t1
+RUN echo "Hello t1"
+
+FROM busybox AS t2
+RUN echo "Hello t2"

test/group/docker-bake.hcl

@@ -0,0 +1,11 @@
+group "default" {
+  targets = ["t1", "t2"]
+}
+
+target "t1" {
+  target = "t1"
+}
+
+target "t2" {
+  target = "t2"
+}