diff --git a/back-end/Dockerfile.back b/back-end/Dockerfile.back
index 8b28269..9f2a528 100644
--- a/back-end/Dockerfile.back
+++ b/back-end/Dockerfile.back
@@ -5,12 +5,12 @@ FROM node:22-alpine
 WORKDIR /usr/src/back
 
 # Environment declaration variables
-ARG NODE_ENV="dev"
-ARG DB_HOST="postgres"
-ARG DB_NAME="briques"
-ARG DB_USER="briques_db"
-ARG DB_PASSWORD="briques_password"
-ARG DB_PORT=5432
+ENV NODE_ENV="dev"
+ENV DB_HOST="briques_postgres"
+ENV DB_NAME="briques_db"
+ENV DB_USER="briques_llm"
+ENV DB_PASSWORD="briques_password_2025"
+ENV DB_PORT=5432
 
 COPY package.json ./