expose "ForceRebuild" as a config option

internal/app/run/runner.go

@@ -209,7 +209,7 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 
 		ReuseContainers:            false,
 		ForcePull:                  r.cfg.Container.ForcePull,
-		ForceRebuild:               false,
+		ForceRebuild:               r.cfg.Container.ForceRebuild,
 		LogOutput:                  true,
 		JSONLogger:                 false,
 		Env:                        r.envs,

internal/pkg/config/config.example.yaml

@@ -95,6 +95,8 @@ container:
   docker_host: "-"
   # Pull docker image(s) even if already present
   force_pull: false
+  # Rebuild local docker image(s) even if already present
+  force_rebuild: false
 
 host:
   # The parent directory of a job's working directory.

internal/pkg/config/config.go

@@ -55,6 +55,7 @@ type Container struct {
 	ValidVolumes  []string `yaml:"valid_volumes"`  // ValidVolumes specifies the volumes (including bind mounts) can be mounted to containers.
 	DockerHost    string   `yaml:"docker_host"`    // DockerHost specifies the Docker host. It overrides the value specified in environment variable DOCKER_HOST.
 	ForcePull     bool     `yaml:"force_pull"`     // Pull docker image(s) even if already present
+	ForceRebuild  bool     `yaml:"force_rebuild"`  // Rebuild local docker image(s) even if already present
 }
 
 // Host represents the configuration for the host.

internal/pkg/config/config_test.go

@@ -42,4 +42,5 @@ func TestDefaultSettings(t *testing.T) {
 
 	assert.EqualValues(t, config.Container.DockerHost, "-")
 	assert.EqualValues(t, config.Log.JobLevel, "info")
+	assert.EqualValues(t, config.Container.ForceRebuild, false)
 }