diff --git a/Dockerfile.prod b/Dockerfile.prod
index a85c2e3..408ecf7 100644
--- a/Dockerfile.prod
+++ b/Dockerfile.prod
@@ -31,11 +31,13 @@ RUN npx prisma generate
 # Variables d'environnement nécessaires au build Next.js
 # Ces variables sont passées depuis docker-compose.yml via build args
 ARG KEYCLOAK_CLIENT_ID
+ARG KEYCLOAK_CLIENT_SECRET
 ARG KEYCLOAK_REALM
 ARG KEYCLOAK_ISSUER
 ARG NEXT_PUBLIC_KEYCLOAK_ISSUER
 ARG NEXT_PUBLIC_API_URL
 ARG NEXT_PUBLIC_APP_URL
+ARG NEXTAUTH_SECRET
 ARG SERVER_NAME
 
 # Variables iframe (optionnelles)
@@ -57,11 +59,14 @@ ARG NEXT_PUBLIC_IFRAME_TIMETRACKER_URL
 # Rendre les variables disponibles pendant le build
 # Next.js a besoin de ces variables pour le build (notamment NEXT_PUBLIC_*)
 ENV KEYCLOAK_CLIENT_ID=${KEYCLOAK_CLIENT_ID}
+ENV KEYCLOAK_CLIENT_SECRET=${KEYCLOAK_CLIENT_SECRET:-dummy-secret-for-build}
 ENV KEYCLOAK_REALM=${KEYCLOAK_REALM}
 ENV KEYCLOAK_ISSUER=${KEYCLOAK_ISSUER}
 ENV NEXT_PUBLIC_KEYCLOAK_ISSUER=${NEXT_PUBLIC_KEYCLOAK_ISSUER}
 ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
 ENV NEXT_PUBLIC_APP_URL=${NEXT_PUBLIC_APP_URL}
+ENV NEXTAUTH_SECRET=${NEXTAUTH_SECRET:-dummy-nextauth-secret-for-build}
+ENV NEXTAUTH_URL=${NEXT_PUBLIC_APP_URL}
 
 # Variables iframe
 ENV NEXT_PUBLIC_IFRAME_DRIVE_URL=${NEXT_PUBLIC_IFRAME_DRIVE_URL}