update bake-action to v6

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/ci.yml

@@ -392,12 +392,12 @@ jobs:
             type=sha
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           files: |
             ./test/docker-bake.hcl
-            ${{ steps.docker_meta.outputs.bake-file-tags }}
-            ${{ steps.docker_meta.outputs.bake-file-labels }}
+            cwd://${{ steps.docker_meta.outputs.bake-file-tags }}
+            cwd://${{ steps.docker_meta.outputs.bake-file-labels }}
           targets: |
             release
 
@@ -504,12 +504,12 @@ jobs:
           DOCKER_METADATA_ANNOTATIONS_LEVELS: manifest,index
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           files: |
             ./test/docker-bake.hcl
-            ${{ steps.docker_meta.outputs.bake-file-tags }}
-            ${{ steps.docker_meta.outputs.bake-file-annotations }}
+            cwd://${{ steps.docker_meta.outputs.bake-file-tags }}
+            cwd://${{ steps.docker_meta.outputs.bake-file-annotations }}
           targets: |
             release
 
@@ -539,7 +539,7 @@ jobs:
         name: Print envs
         run: env|sort
 
-  bake-cwd:
+  bake-path-context:
     runs-on: ubuntu-latest
     steps:
       -
@@ -556,13 +556,13 @@ jobs:
         uses: ./
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
-          source: "{{defaultContext}}"
+          source: .
           files: |
             ./test/docker-bake.hcl
-            cwd://${{ steps.docker_meta.outputs.bake-file-tags }}
-            cwd://${{ steps.docker_meta.outputs.bake-file-labels }}
+            ${{ steps.docker_meta.outputs.bake-file-tags }}
+            ${{ steps.docker_meta.outputs.bake-file-labels }}
           targets: |
             release
 

.github/workflows/test.yml

@@ -15,12 +15,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v4
       -
         name: Test
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           targets: test
       -

.github/workflows/validate.yml

@@ -15,16 +15,17 @@ jobs:
   prepare:
     runs-on: ubuntu-latest
     outputs:
-      targets: ${{ steps.targets.outputs.matrix }}
+      targets: ${{ steps.generate.outputs.targets }}
     steps:
       -
         name: Checkout
         uses: actions/checkout@v4
       -
-        name: Targets matrix
-        id: targets
-        run: |
-          echo "matrix=$(docker buildx bake validate --print | jq -cr '.group.validate.targets')" >> $GITHUB_OUTPUT
+        name: List targets
+        id: generate
+        uses: docker/bake-action/subaction/list-targets@v6
+        with:
+          target: validate
 
   validate:
     runs-on: ubuntu-latest
@@ -35,11 +36,8 @@ jobs:
       matrix:
         target: ${{ fromJson(needs.prepare.outputs.targets) }}
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v4
       -
         name: Validate
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           targets: ${{ matrix.target }}

README.md

@@ -206,9 +206,6 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v4
       -
         name: Docker meta
         id: meta
@@ -224,11 +221,11 @@ jobs:
             type=sha
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           files: |
             ./docker-bake.hcl
-            ${{ steps.meta.outputs.bake-file }}
+            cwd://${{ steps.meta.outputs.bake-file }}
           targets: build
 ```
 
@@ -271,29 +268,12 @@ similar to the previous one:
 ```yaml
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           files: |
             ./docker-bake.hcl
-            ${{ steps.meta.outputs.bake-file-tags }}
-            ${{ steps.meta.outputs.bake-file-labels }}
-          targets: build
-```
-
-If you're building a [remote Bake definition](https://docs.docker.com/build/bake/remote-definition/)
-using a [Git context](https://github.com/docker/bake-action?tab=readme-ov-file#git-context),
-you must specify the location of the metadata-only bake file using a `cwd://`
-prefix:
-
-```yaml
-      -
-        name: Build
-        uses: docker/bake-action@v5
-        with:
-          source: "${{ github.server_url }}/${{ github.repository }}.git#${{ github.ref }}"
-          files: |
-            ./docker-bake.hcl
-            cwd://${{ steps.meta.outputs.bake-file }}
+            cwd://${{ steps.meta.outputs.bake-file-tags }}
+            cwd://${{ steps.meta.outputs.bake-file-labels }}
           targets: build
 ```
 
@@ -1008,12 +988,12 @@ The same can be done with the [`bake-action`](https://github.com/docker/bake-act
           images: name/app
       -
         name: Build
-        uses: docker/bake-action@v5
+        uses: docker/bake-action@v6
         with:
           files: |
             ./docker-bake.hcl
-            ${{ steps.meta.outputs.bake-file-tags }}
-            ${{ steps.meta.outputs.bake-file-annotations }}
+            cwd://${{ steps.meta.outputs.bake-file-tags }}
+            cwd://${{ steps.meta.outputs.bake-file-annotations }}
           targets: build
 ```
 

docker-bake.hcl

@@ -1,3 +1,9 @@
+target "_common" {
+  args = {
+    BUILDKIT_CONTEXT_KEEP_GIT_DIR = 1
+  }
+}
+
 group "default" {
   targets = ["build"]
 }
@@ -11,42 +17,49 @@ group "validate" {
 }
 
 target "build" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "build-update"
   output = ["."]
 }
 
 target "build-validate" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "build-validate"
   output = ["type=cacheonly"]
 }
 
 target "format" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "format-update"
   output = ["."]
 }
 
 target "lint" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "lint"
   output = ["type=cacheonly"]
 }
 
 target "vendor" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "vendor-update"
   output = ["."]
 }
 
 target "vendor-validate" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "vendor-validate"
   output = ["type=cacheonly"]
 }
 
 target "test" {
+  inherits = ["_common"]
   dockerfile = "dev.Dockerfile"
   target = "test-coverage"
   output = ["./coverage"]