task: add new task for build unpacker image

go/repositories/unpacker/build_docker_image.go

@@ -0,0 +1,30 @@
+package unpacker
+
+import (
+	"ocl/portainer-devtool/configs"
+	"ocl/portainer-devtool/tasks/common"
+	"ocl/portainer-devtool/utils"
+)
+
+type BuildDockerImageSubTask struct {
+	common.GeneralTask
+}
+
+func NewBuildDockerImageSubTask(cfg *configs.Config) *BuildDockerImageSubTask {
+	return &BuildDockerImageSubTask{
+		GeneralTask: *common.NewGeneralTask(cfg),
+	}
+}
+
+func (task *BuildDockerImageSubTask) Execute() error {
+	utils.SuccessPrint(`
+docker image tag docker.io/portainer/compose-unpacker:latest oscarzhou/compose-unpacker:28
+docker image push oscarzhou/compose-unpacker:28
+	`)
+
+	return nil
+}
+
+func (task *BuildDockerImageSubTask) String() string {
+	return "Build Docker Image"
+}