fix: don't overwrite with empty cmd/entrypoint (#1076)

Co-authored-by: ChristopherHX <[email protected]>

Signed-off-by: Ryan <[email protected]>

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/container/docker_run.go

@@ -327,14 +327,20 @@ func (cr *containerReference) create(capAdd []string, capDrop []string) common.E
 
 		config := &container.Config{
 			Image:      input.Image,
-			Cmd:        input.Cmd,
-			Entrypoint: input.Entrypoint,
 			WorkingDir: input.WorkingDir,
 			Env:        input.Env,
 			Tty:        isTerminal,
 			Hostname:   input.Hostname,
 		}
 
+		if len(input.Cmd) != 0 {
+			config.Cmd = input.Cmd
+		}
+
+		if len(input.Entrypoint) != 0 {
+			config.Entrypoint = input.Entrypoint
+		}
+
 		mounts := make([]mount.Mount, 0)
 		for mountSource, mountTarget := range input.Mounts {
 			mounts = append(mounts, mount.Mount{