append users build-args to the default slice

Author: xoxys

plugin/docker.go

@@ -71,6 +71,10 @@ func commandBuild(build Build) *exec.Cmd {
 		"-t", build.Name,
 	}
 
+	defaultBuildArgs := []string{
+		fmt.Sprintf("DOCKER_IMAGE_CREATED=%s", time.Now().Format(time.RFC3339)),
+	}
+
 	args = append(args, build.Context)
 	if build.Squash {
 		args = append(args, "--squash")
@@ -90,7 +94,7 @@ func commandBuild(build Build) *exec.Cmd {
 	for _, arg := range build.ArgsEnv.Value() {
 		addProxyValue(&build, arg)
 	}
-	for _, arg := range build.Args.Value() {
+	for _, arg := range append(defaultBuildArgs, build.Args.Value()...) {
 		args = append(args, "--build-arg", arg)
 	}
 	for _, host := range build.AddHost.Value() {
@@ -107,9 +111,6 @@ func commandBuild(build Build) *exec.Cmd {
 		args = append(args, "--platform", strings.Join(build.Platforms.Value()[:], ","))
 	}
 
-	// append generated build args
-	args = append(args, "--build-arg", fmt.Sprintf("DOCKER_IMAGE_CREATED=%s", time.Now().Format(time.RFC3339)))
-
 	return exec.Command(dockerExe, args...)
 }