upgrade to yaml v4 rc.3 because action lint depends on rc.3

Blocked by https://gitea.com/gitea/act/pulls/126
Fix https://github.com/go-gitea/gitea/issues/33135

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/632
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Zettat123 <zettat123@gmail.com>
Co-committed-by: Zettat123 <zettat123@gmail.com>

.gitea/workflows/release-tag.yml

@@ -39,6 +39,15 @@ jobs:
           GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
   release-image:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        variant:
+          - target: basic
+            tag_suffix: ""
+          - target: dind
+            tag_suffix: "-dind"
+          - target: dind-rootless
+            tag_suffix: "-dind-rootless"
     container:
       image: catthehacker/ubuntu:act-latest
     env:
@@ -62,50 +71,33 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Get Meta
+      - name: Repo Meta
-        id: meta
+        id: repo_meta
         run: |
           echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}') >> $GITHUB_OUTPUT
-          echo REPO_VERSION=${GITHUB_REF_NAME#v} >> $GITHUB_OUTPUT
+
+      - name: "Docker meta"
+        id: docker_meta
+        uses: https://github.com/docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.DOCKER_ORG }}/${{ steps.repo_meta.outputs.REPO_NAME }}
+          tags: |
+            type=semver,pattern={{major}}.{{minor}}.{{patch}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+          flavor: |
+            latest=true
+            suffix=${{ matrix.variant.tag_suffix }},onlatest=true
 
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile
-          target: basic
+          target: ${{ matrix.variant.target }}
           platforms: |
             linux/amd64
             linux/arm64
           push: true
-          tags: |
+          tags: ${{ steps.docker_meta.outputs.tags }}
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ env.DOCKER_LATEST }}
-
-      - name: Build and push dind
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./Dockerfile
-          target: dind
-          platforms: |
-            linux/amd64
-            linux/arm64
-          push: true
-          tags: |
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-dind
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ env.DOCKER_LATEST }}-dind
-
-      - name: Build and push dind-rootless
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./Dockerfile
-          target: dind-rootless
-          platforms: |
-            linux/amd64
-            linux/arm64
-          push: true
-          tags: |
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-dind-rootless
-            ${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:${{ env.DOCKER_LATEST }}-dind-rootless

go.mod

@@ -14,6 +14,7 @@ require (
 	github.com/sirupsen/logrus v1.9.4
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
+	go.yaml.in/yaml/v4 v4.0.0-rc.3
 	golang.org/x/term v0.40.0
 	golang.org/x/time v0.14.0
 	google.golang.org/protobuf v1.36.11
@@ -21,8 +22,6 @@ require (
 	gotest.tools/v3 v3.5.2
 )
 
-require go.yaml.in/yaml/v4 v4.0.0-rc.3
-
 require (
 	cyphar.com/go-pathrs v0.2.3 // indirect
 	dario.cat/mergo v1.0.2 // indirect
@@ -110,7 +109,7 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
-replace github.com/nektos/act => gitea.com/gitea/act v0.261.8
+replace github.com/nektos/act => gitea.com/gitea/act v0.261.10
 
 // Remove after github.com/docker/distribution is updated to support distribution/reference v0.6.0
 // (pulled in via moby/buildkit, breaks on undefined: reference.SplitHostname)

go.sum

@@ -8,8 +8,8 @@ cyphar.com/go-pathrs v0.2.3 h1:0pH8gep37wB0BgaXrEaN1OtZhUMeS7VvaejSr6i822o=
 cyphar.com/go-pathrs v0.2.3/go.mod h1:y8f1EMG7r+hCuFf/rXsKqMJrJAUoADZGNh5/vZPKcGc=
 dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
 dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
-gitea.com/gitea/act v0.261.8 h1:rUWB5GOZOubfe2VteKb7XP3HRIbcW3UUmfh7bVAgQcA=
+gitea.com/gitea/act v0.261.10 h1:ndwbtuMXXz1dpYF2iwY1/PkgKNETo4jmPXfinTZt8cs=
-gitea.com/gitea/act v0.261.8/go.mod h1:lTp4136rwbZiZS3ZVQeHCvd4qRAZ7LYeiRBqOSdMY/4=
+gitea.com/gitea/act v0.261.10/go.mod h1:oIkqQHvU0lfuIWwcpqa4FmU+t3prA89tgkuHUTsrI2c=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6 h1:He8afgbRMd7mFxO99hRNu+6tazq8nFF9lIwo9JFroBk=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
 github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg=

internal/app/run/runner.go

@@ -8,6 +8,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"maps"
+	"os"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -154,6 +155,7 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 		Event:           taskContext["event"].GetStructValue().AsMap(),
 		RunID:           taskContext["run_id"].GetStringValue(),
 		RunNumber:       taskContext["run_number"].GetStringValue(),
+		RunAttempt:      taskContext["run_attempt"].GetStringValue(),
 		Actor:           taskContext["actor"].GetStringValue(),
 		Repository:      taskContext["repository"].GetStringValue(),
 		EventName:       taskContext["event_name"].GetStringValue(),
@@ -196,11 +198,18 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 		maxLifetime = time.Until(deadline)
 	}
 
+	workdirParent := strings.TrimLeft(r.cfg.Container.WorkdirParent, "/")
+	if r.cfg.Container.BindWorkdir {
+		// Append the task ID to isolate concurrent jobs from the same repo.
+		workdirParent = fmt.Sprintf("%s/%d", workdirParent, task.Id)
+	}
+	workdir := filepath.FromSlash(fmt.Sprintf("/%s/%s", workdirParent, preset.Repository))
+
 	runnerConfig := &runner.Config{
 		// On Linux, Workdir will be like "/<parent_directory>/<owner>/<repo>"
 		// On Windows, Workdir will be like "\<parent_directory>\<owner>\<repo>"
-		Workdir:        filepath.FromSlash(fmt.Sprintf("/%s/%s", strings.TrimLeft(r.cfg.Container.WorkdirParent, "/"), preset.Repository)),
+		Workdir:        workdir,
-		BindWorkdir:    false,
+		BindWorkdir:    r.cfg.Container.BindWorkdir,
 		ActionCacheDir: filepath.FromSlash(r.cfg.Host.WorkdirParent),
 
 		ReuseContainers:       false,
@@ -245,6 +254,15 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 
 	execErr := executor(ctx)
 	reporter.SetOutputs(job.Outputs)
+
+	if r.cfg.Container.BindWorkdir {
+		// Remove the entire task-specific directory (e.g. /workspace/<task_id>).
+		taskDir := filepath.FromSlash("/" + workdirParent)
+		if err := os.RemoveAll(taskDir); err != nil {
+			log.Warnf("failed to clean up workspace %s: %v", taskDir, err)
+		}
+	}
+
 	return execErr
 }
 

internal/pkg/config/config.example.yaml

@@ -103,6 +103,12 @@ container:
   require_docker: false
   # Timeout to wait for the docker daemon to be reachable, if docker is required by require_docker or act_runner
   docker_timeout: 0s
+  # Bind the workspace to the host filesystem instead of using Docker volumes.
+  # This is required for Docker-in-Docker (DinD) setups when jobs use docker compose
+  # with bind mounts (e.g., ".:/app"), as volume-based workspaces are not accessible
+  # from the DinD daemon's filesystem. When enabled, ensure the workspace parent
+  # directory is also mounted into the runner container and listed in valid_volumes.
+  bind_workdir: false
 
 host:
   # The parent directory of a job's working directory.

internal/pkg/config/config.go

@@ -57,6 +57,7 @@ type Container struct {
 	ForceRebuild  bool          `yaml:"force_rebuild"`  // Rebuild docker image(s) even if already present
 	RequireDocker bool          `yaml:"require_docker"` // Always require a reachable docker daemon, even if not required by act_runner
 	DockerTimeout time.Duration `yaml:"docker_timeout"` // Timeout to wait for the docker daemon to be reachable, if docker is required by require_docker or act_runner
+	BindWorkdir   bool          `yaml:"bind_workdir"`   // BindWorkdir binds the workspace to the host filesystem instead of using Docker volumes. Required for DinD when jobs use docker compose with bind mounts.
 }
 
 // Host represents the configuration for the host.