diff --git a/front/Dockerfile b/front/Dockerfile
index 86e1062..c683533 100644
--- a/front/Dockerfile
+++ b/front/Dockerfile
@@ -11,19 +11,23 @@ COPY package.json package-lock.json ./
 COPY front/package.json ./front/package.json
 COPY packages/db-model/package.json ./packages/db-model/package.json
 
-# 2) Install all dependencies for the monorepo (npm workspaces)
+# 2) Remove packageManager field to prevent Corepack (Node 22) from
+#    hijacking yarn calls that Next.js SWC patching makes internally.
+RUN node -e "const p='package.json',j=JSON.parse(require('fs').readFileSync(p));delete j.packageManager;require('fs').writeFileSync(p,JSON.stringify(j,null,2))"
+
+# 3) Install all dependencies for the monorepo (npm workspaces)
 #    We need dev deps here because Next build typically requires them.
 #    --ignore-scripts: skip postinstall (env vars come from the cloud provider)
 RUN npm ci --ignore-scripts
 
-# 3) Now copy the full source code
+# 4) Now copy the full source code
 COPY . .
 
-# 4) Build the internal dependency used by the front (db-model)
+# 5) Build the internal dependency used by the front (db-model)
 #    If your workspace name differs, adjust "-w db-model"
 RUN npm run -w db-model build --if-present
 
-# 5) Build Next.js (standalone output will be generated)
+# 6) Build Next.js (standalone output will be generated)
 RUN npm run -w front build