diff --git a/app/Jobs/ApplicationDeploymentJob.php b/app/Jobs/ApplicationDeploymentJob.php
index a0195d1b9..718cea639 100644
--- a/app/Jobs/ApplicationDeploymentJob.php
+++ b/app/Jobs/ApplicationDeploymentJob.php
@@ -1066,15 +1066,55 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
         $this->environment_variables = $envs;
     }
 
+    private function elixir_finetunes()
+    {
+        if ($this->pull_request_id === 0) {
+            $envType = 'environment_variables';
+        } else {
+            $envType = 'environment_variables_preview';
+        }
+        $mix_env = $this->application->{$envType}->where('key', 'MIX_ENV')->first();
+        if ($mix_env) {
+            if ($mix_env->is_build_time === false) {
+                $this->application_deployment_queue->addLogEntry('MIX_ENV environment variable is not set as build time.', type: 'error');
+                $this->application_deployment_queue->addLogEntry('Please set MIX_ENV environment variable to be build time variable if you facing any issues with the deployment.', type: 'error');
+            }
+        } else {
+            $this->application_deployment_queue->addLogEntry('MIX_ENV environment variable not found.', type: 'error');
+            $this->application_deployment_queue->addLogEntry('Please add MIX_ENV environment variable and set it to be build time variable if you facing any issues with the deployment.', type: 'error');
+        }
+        $secret_key_base = $this->application->{$envType}->where('key', 'SECRET_KEY_BASE')->first();
+        if ($secret_key_base) {
+            if ($secret_key_base->is_build_time === false) {
+                $this->application_deployment_queue->addLogEntry('SECRET_KEY_BASE environment variable is not set as build time.', type: 'error');
+                $this->application_deployment_queue->addLogEntry('Please set SECRET_KEY_BASE environment variable to be build time variable if you facing any issues with the deployment.', type: 'error');
+            }
+        } else {
+            $this->application_deployment_queue->addLogEntry('SECRET_KEY_BASE environment variable not found.', type: 'error');
+            $this->application_deployment_queue->addLogEntry('Please add SECRET_KEY_BASE environment variable and set it to be build time variable if you facing any issues with the deployment.', type: 'error');
+        }
+        $database_url = $this->application->{$envType}->where('key', 'DATABASE_URL')->first();
+        if ($database_url) {
+            if ($database_url->is_build_time === false) {
+                $this->application_deployment_queue->addLogEntry('DATABASE_URL environment variable is not set as build time.', type: 'error');
+                $this->application_deployment_queue->addLogEntry('Please set DATABASE_URL environment variable to be build time variable if you facing any issues with the deployment.', type: 'error');
+            }
+        } else {
+            $this->application_deployment_queue->addLogEntry('DATABASE_URL environment variable not found.', type: 'error');
+            $this->application_deployment_queue->addLogEntry('Please add DATABASE_URL environment variable and set it to be build time variable if you facing any issues with the deployment.', type: 'error');
+        }
+    }
+
     private function laravel_finetunes()
     {
         if ($this->pull_request_id === 0) {
-            $nixpacks_php_fallback_path = $this->application->environment_variables->where('key', 'NIXPACKS_PHP_FALLBACK_PATH')->first();
-            $nixpacks_php_root_dir = $this->application->environment_variables->where('key', 'NIXPACKS_PHP_ROOT_DIR')->first();
+            $envType = 'environment_variables';
         } else {
-            $nixpacks_php_fallback_path = $this->application->environment_variables_preview->where('key', 'NIXPACKS_PHP_FALLBACK_PATH')->first();
-            $nixpacks_php_root_dir = $this->application->environment_variables_preview->where('key', 'NIXPACKS_PHP_ROOT_DIR')->first();
+            $envType = 'environment_variables_preview';
         }
+        $nixpacks_php_fallback_path = $this->application->{$envType}->where('key', 'NIXPACKS_PHP_FALLBACK_PATH')->first();
+        $nixpacks_php_root_dir = $this->application->{$envType}->where('key', 'NIXPACKS_PHP_ROOT_DIR')->first();
+
         if (! $nixpacks_php_fallback_path) {
             $nixpacks_php_fallback_path = new EnvironmentVariable;
             $nixpacks_php_fallback_path->key = 'NIXPACKS_PHP_FALLBACK_PATH';
@@ -1533,6 +1573,9 @@ class ApplicationDeploymentJob implements ShouldBeEncrypted, ShouldQueue
                     data_set($parsed, 'variables.NIXPACKS_PHP_FALLBACK_PATH', $variables[0]->value);
                     data_set($parsed, 'variables.NIXPACKS_PHP_ROOT_DIR', $variables[1]->value);
                 }
+                if ($this->nixpacks_type === 'elixir') {
+                    $this->elixir_finetunes();
+                }
                 $this->nixpacks_plan = json_encode($parsed, JSON_PRETTY_PRINT);
                 $this->application_deployment_queue->addLogEntry("Final Nixpacks plan: {$this->nixpacks_plan}", hidden: true);
                 if ($this->nixpacks_type === 'rust') {