diff --git a/admin/nixpacks.toml b/admin/nixpacks.toml
index cc8c43c..705a45d 100644
--- a/admin/nixpacks.toml
+++ b/admin/nixpacks.toml
@@ -1,6 +1,6 @@
 [phases.build]
 cmds = ["npm install", "npx prisma generate", "npm run build"]
 
-[phases.start]
-# Exécute prisma db push avant de lancer l'application pour synchroniser le schéma
-cmds = ["npx prisma db push --accept-data-loss", "npm start"]
+[start]
+# Exécute prisma db push au runtime (démarrage du conteneur)
+cmd = "npx prisma db push --accept-data-loss && npm start"
diff --git a/admin/package.json b/admin/package.json
index 8f384f8..5ae9596 100644
--- a/admin/package.json
+++ b/admin/package.json
@@ -30,7 +30,6 @@
     "@types/pg": "^8.20.0",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "dotenv-cli": "^11.0.0",
     "eslint": "^9",
     "eslint-config-next": "16.2.3",
     "tailwindcss": "^4",
diff --git a/nixpacks.toml b/nixpacks.toml
index cc8c43c..705a45d 100644
--- a/nixpacks.toml
+++ b/nixpacks.toml
@@ -1,6 +1,6 @@
 [phases.build]
 cmds = ["npm install", "npx prisma generate", "npm run build"]
 
-[phases.start]
-# Exécute prisma db push avant de lancer l'application pour synchroniser le schéma
-cmds = ["npx prisma db push --accept-data-loss", "npm start"]
+[start]
+# Exécute prisma db push au runtime (démarrage du conteneur)
+cmd = "npx prisma db push --accept-data-loss && npm start"
diff --git a/package.json b/package.json
index 3b3b3e1..fa5ae89 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "bcryptjs": "^3.0.3",
     "lucide-react": "^0.554.0",
     "next": "^16.1.6",
+    "dotenv": "^17.3.1",
     "pg": "^8.19.0",
     "prisma": "^7.7.0",
     "react": "^19.2.0",
@@ -38,7 +39,6 @@
     "@types/node": "^22.14.0",
     "autoprefixer": "^10.4.27",
     "concurrently": "^9.2.1",
-    "dotenv": "^17.3.1",
     "postcss": "^8.5.6",
     "tailwindcss": "^4.2.1",
     "typescript": "~5.8.2"