diff --git a/Dockerfile b/Dockerfile
index c2a5373a..c5d5b48e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,9 +12,8 @@ RUN apk update && apk add --no-cache openssh-client git
 # Forward SSH agent via BuildKit (clé jamais écrite dans l'image)
 RUN --mount=type=ssh \
     mkdir -p /root/.ssh && \
-    ssh-keyscan git.4nkweb.com >> /root/.ssh/known_hosts
-
-RUN npm install --frozen-lockfile
+    ssh-keyscan git.4nkweb.com >> /root/.ssh/known_hosts && \
+    npm install --frozen-lockfile
 
 # Rebuild the source code only when needed
 FROM node:19-alpine AS builder