Fix: Docker build args injection regex to support service names (#7433)

app/Jobs/ApplicationDeploymentJob.php

@@ -670,13 +670,20 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
                 $build_command = "DOCKER_BUILDKIT=1 {$build_command}";
             }
 
-            // Append build arguments if not using build secrets (matching default behavior)
+            // Inject build arguments after build subcommand if not using build secrets
             if (! $this->application->settings->use_build_secrets && $this->build_args instanceof \Illuminate\Support\Collection && $this->build_args->isNotEmpty()) {
                 $build_args_string = $this->build_args->implode(' ');
                 // Escape single quotes for bash -c context used by executeInDocker
                 $build_args_string = str_replace("'", "'\\''", $build_args_string);
-                $build_command .= " {$build_args_string}";
-                $this->application_deployment_queue->addLogEntry('Adding build arguments to custom Docker Compose build command.');
+
+                // Inject build args right after 'build' subcommand (not at the end)
+                $original_command = $build_command;
+                $build_command = injectDockerComposeBuildArgs($build_command, $build_args_string);
+
+                // Only log if build args were actually injected (command was modified)
+                if ($build_command !== $original_command) {
+                    $this->application_deployment_queue->addLogEntry('Adding build arguments to custom Docker Compose build command.');
+                }
             }
 
             $this->execute_remote_command(

app/Livewire/Project/Application/General.php

@@ -1018,11 +1018,27 @@ class General extends Component
         // Use relative path for clarity in preview (e.g., ./backend/docker-compose.yaml)
         // Actual deployment uses absolute path: /artifacts/{deployment_uuid}{base_directory}{docker_compose_location}
         // Build-time env path references ApplicationDeploymentJob::BUILD_TIME_ENV_PATH as source of truth
-        return injectDockerComposeFlags(
+        $command = injectDockerComposeFlags(
             $this->dockerComposeCustomBuildCommand,
             ".{$normalizedBase}{$this->dockerComposeLocation}",
             \App\Jobs\ApplicationDeploymentJob::BUILD_TIME_ENV_PATH
         );
+
+        // Inject build args if not using build secrets
+        if (! $this->application->settings->use_build_secrets) {
+            $buildTimeEnvs = $this->application->environment_variables()
+                ->where('is_buildtime', true)
+                ->get();
+
+            if ($buildTimeEnvs->isNotEmpty()) {
+                $buildArgs = generateDockerBuildArgs($buildTimeEnvs);
+                $buildArgsString = $buildArgs->implode(' ');
+
+                $command = injectDockerComposeBuildArgs($command, $buildArgsString);
+            }
+        }
+
+        return $command;
     }
 
     public function getDockerComposeStartCommandPreviewProperty(): string