Resolve edge schema DB config from env

services/nginx/app/modules/edgegateway/classes/edge_gateway_schema_bootstrap.php

@@ -424,6 +424,11 @@ class edge_gateway_schema_bootstrap
 
     private static function pdo(): \PDO
     {
+        $envConfig = self::databaseConfigFromEnvironment();
+        if ($envConfig !== null) {
+            return self::connectPdo($envConfig);
+        }
+
         if (!class_exists(db::class, false)) {
             $dbClassPath = __DIR__ . '/../../../classes/db.php';
             if (is_file($dbClassPath)) {
@@ -437,4 +442,67 @@ class edge_gateway_schema_bootstrap
 
         return db::getPDO();
     }
+
+    /**
+     * @return array{host:string,user:string,password:string,database:string,port:int}|null
+     */
+    private static function databaseConfigFromEnvironment(): ?array
+    {
+        $target = strtolower(self::envString('CONFIG_DB_TARGET') ?: 'live');
+        if ($target !== 'debug') {
+            $target = 'live';
+        }
+
+        $host = self::databaseEnvValue('HOST', $target);
+        $user = self::databaseEnvValue('USER', $target);
+        $database = self::databaseEnvValue('DATABASE', $target);
+        if ($host === '' || $user === '' || $database === '') {
+            return null;
+        }
+
+        return [
+            'host' => $host,
+            'user' => $user,
+            'password' => self::databaseEnvValue('PASSWORD', $target),
+            'database' => $database,
+            'port' => (int)(self::databaseEnvValue('PORT', $target) ?: 3306),
+        ];
+    }
+
+    private static function databaseEnvValue(string $key, string $target): string
+    {
+        $liveValue = self::envString('CONFIG_DB_' . $key);
+        $debugValue = self::envString('CONFIG_DB_DEBUG_' . $key);
+
+        if ($target === 'debug' && $debugValue !== '') {
+            return $debugValue;
+        }
+
+        return $liveValue;
+    }
+
+    private static function envString(string $key): string
+    {
+        $value = getenv($key);
+        if ($value === false || $value === null) {
+            $value = $_ENV[$key] ?? $_SERVER[$key] ?? '';
+        }
+
+        return trim((string)$value);
+    }
+
+    /**
+     * @param array{host:string,user:string,password:string,database:string,port:int} $config
+     */
+    private static function connectPdo(array $config): \PDO
+    {
+        $port = $config['port'] > 0 ? $config['port'] : 3306;
+        $dsn = "mysql:host={$config['host']};port={$port};dbname={$config['database']};charset=utf8mb4";
+
+        return new \PDO($dsn, $config['user'], $config['password'], [
+            \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
+            \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
+            \PDO::ATTR_EMULATE_PREPARES => false,
+        ]);
+    }
 }

services/nginx/app/tests/Unit/Selfserve/EdgeGatewaySchemaBootstrapTest.php

@@ -42,6 +42,9 @@ it('stores operation metadata and event timelines for management workflows', fun
     expect($bootstrapContent)->toContain("ensureColumn('edge_gateway_operations', 'attempt_count', 'INT NOT NULL DEFAULT 0 AFTER last_progress_at')");
     expect($bootstrapContent)->toContain('private static function syncOperationTypeColumns(): void');
     expect($bootstrapContent)->toContain('SET type = operation_type');
+    expect($bootstrapContent)->toContain('private static function databaseConfigFromEnvironment(): ?array');
+    expect($bootstrapContent)->toContain("databaseEnvValue('HOST', \$target)");
+    expect($bootstrapContent)->toContain('private static function connectPdo(array $config): \PDO');
     expect($bootstrapContent)->toContain("ensureColumn('edge_gateway_operation_events', 'context_json', 'JSON NULL AFTER message')");
     expect($bootstrapContent)->toContain("ensureColumn('edge_gateway_audit_logs', 'context_json', 'JSON NULL AFTER severity')");
     expect($bootstrapContent)->toContain("ensureColumn('edge_gateway_log_entries', 'context_json', 'JSON NULL AFTER message')");