diff --git a/src/app/ProfileManager.php b/src/app/ProfileManager.php
deleted file mode 100644
index eae9822..0000000
--- a/src/app/ProfileManager.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-namespace nulib\app;
-
-/**
- * Class ProfileManager: gestionnaire de profils
- */
-class ProfileManager {
-  const NAME = null;
-  const PROFILES = ["prod", "test", "devel"];
-  const PRODUCTION_MODES = [
-    "prod" => true,
-    "test" => true,
-  ];
-  const PROFILE_MAP = null;
-
-  function __construct(?array $params=null) {
-    $name = $params["name"] ?? static::NAME;
-    if ($name !== null) $name .= "_";
-    $prefixes = [strtoupper($name)];
-    $app = $params["app"] ?? false;
-    if ($app) $prefixes[] = "APP_";
-    $this->envPrefixes = $prefixes;
-  }
-
-  protected array $envPrefixes;
-
-  function getEnvProfile(): ?string {
-    foreach ($this->envPrefixes as $prefix) {
-      $profile = getenv($prefix."PROFILE");
-      if ($profile !== false) return $profile;
-    }
-    return null;
-  }
-
-  protected ?string $defaultProfile = null;
-
-  function getDefaultProfile(): ?string {
-    return $this->defaultProfile;
-  }
-
-  function setDefaultProfile(?string $profile): void {
-    $this->defaultProfile = $profile;
-  }
-
-  function getProfile(?bool &$productionMode=null): string {
-  }
-
-  function setProfile(?string $profile=null, ?bool $productionMode=null): void {
-  }
-}
diff --git a/src/app/config.php b/src/app/config.php
index 9713d28..5c2ac91 100644
--- a/src/app/config.php
+++ b/src/app/config.php
@@ -1,8 +1,30 @@
 <?php
 namespace nulib\app;
 
+use nulib\app\config\ConfigManager;
+use nulib\app\config\ProfileManager;
+use nulib\cl;
+
 /**
  * Class config: gestion de la configuration de l'application
  */
 class config {
+  protected static ConfigManager $config;
+  protected static ProfileManager $profile;
+
+  static function init(string $appcode): void {
+    self::$config = new ConfigManager();
+    self::$profile = new ProfileManager([
+      "app" => true,
+      "name" => $appcode,
+    ]);
+  }
+
+  static function init_configurator($configurators): void {
+    self::$config->addConfigurators(cl::with($configurators));
+  }
+
+  static function configure(?array $params=null): void {
+    self::$config->configure($params);
+  }
 }
diff --git a/src/app/config/ConfigManager.php b/src/app/config/ConfigManager.php
new file mode 100644
index 0000000..cee9fcb
--- /dev/null
+++ b/src/app/config/ConfigManager.php
@@ -0,0 +1,5 @@
+<?php
+namespace nulib\app\config;
+
+class ConfigManager {
+}
diff --git a/src/app/config/ProfileManager.php b/src/app/config/ProfileManager.php
new file mode 100644
index 0000000..e479334
--- /dev/null
+++ b/src/app/config/ProfileManager.php
@@ -0,0 +1,99 @@
+<?php
+namespace nulib\app\config;
+
+use nulib\app\config;
+
+/**
+ * Class ProfileManager: gestionnaire de profils
+ */
+class ProfileManager {
+  /** @var string code du système dont on gère le profil */
+  const NAME = null;
+  /** @var array|null liste des profils valides */
+  const PROFILES = null;
+  /** @var array profils dont le mode production doit être actif */
+  const PRODUCTION_MODES = [
+    "prod" => true,
+    "test" => true,
+  ];
+  const PROFILE_MAP = null;
+
+  function __construct(?array $params=null) {
+    $this->profiles = static::PROFILES;
+    $this->production_modes = static::PRODUCTION_MODES;
+    $appProfile = $params["app"] ?? false;
+    $name = $params["name"] ?? static::NAME;
+    $configKey = "${name}_profile";
+    $envKey = strtoupper($configKey);
+    if ($appProfile) {
+      $this->envKeys = [$envKey, "APP_PROFILE"];
+    } else {
+      $this->configKey = $configKey;
+      $this->envKeys = [$envKey];
+    }
+  }
+
+  protected ?array $profiles;
+
+  protected ?array $productionModes;
+
+  function mapProfile(?string $profile): ?string {
+    return static::PROFILE_MAP[$profile] ?? $profile;
+  }
+
+  protected ?string $configKey = null;
+
+  function getConfigProfile(): ?string {
+    if ($this->configKey === null) return null;
+    $profile = config::k($this->configKey);
+    $profile = $this->mapProfile($profile);
+    return $profile;
+  }
+
+  protected array $envKeys = [];
+
+  function getEnvProfile(): ?string {
+    foreach ($this->envKeys as $envKey) {
+      $profile = getenv($envKey);
+      if ($profile !== false) return $profile;
+    }
+    return null;
+  }
+
+  protected ?string $defaultProfile = null;
+
+  function getDefaultProfile(): ?string {
+    return $this->defaultProfile;
+  }
+
+  function setDefaultProfile(?string $profile): void {
+    $this->defaultProfile = $profile;
+  }
+
+  protected ?string $profile = null;
+
+  protected bool $productionMode = false;
+
+  protected function resolveProfile(): void {
+    $profile ??= $this->getenvProfile();
+    $profile ??= $this->getConfigProfile();
+    $profile ??= $this->getDefaultProfile();
+    $profile ??= $this->profiles[0] ?? "prod";
+    $this->profile = $profile;
+    $this->productionMode = $this->productionModes[$profile] ?? false;
+  }
+
+  function getProfile(?bool &$productionMode=null): string {
+    if ($this->profile === null) $this->resolveProfile();
+    $productionMode = $this->productionMode;
+    return $this->profile;
+  }
+
+  function setProfile(?string $profile=null, ?bool $productionMode=null): void {
+    if ($profile === null) $this->profile = null;
+    $profile ??= $this->getProfile($productionMode);
+    $productionMode ??= $this->productionModes[$profile] ?? false;
+    $this->profile = $profile;
+    $this->productionMode = $productionMode;
+  }
+}