fix: Build-time environment variables break Next.js (#8890)

app/Jobs/ApplicationDeploymentJob.php

@@ -2904,7 +2904,7 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
     private function build_image()
     {
         // Add Coolify related variables to the build args/secrets
-        if (! $this->dockerBuildkitSupported) {
+        if (! $this->dockerSecretsSupported) {
             // Traditional build args approach - generate COOLIFY_ variables locally
             $coolify_envs = $this->generate_coolify_env_variables(forBuildTime: true);
             $coolify_envs->each(function ($value, $key) {
@@ -3515,8 +3515,8 @@ COPY ./nginx.conf /etc/nginx/conf.d/default.conf");
 
     private function add_build_env_variables_to_dockerfile()
     {
-        if ($this->dockerBuildkitSupported) {
-            // We dont need to add build secrets to dockerfile for buildkit, as we already added them with --secret flag in function generate_docker_env_flags_for_secrets
+        if ($this->dockerSecretsSupported) {
+            // We dont need to add ARG declarations when using Docker build secrets, as variables are passed with --secret flag
             return;
         }