diff --git a/backend/Dockerfile b/backend/Dockerfile
index b1d64fd..11c5f78 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -32,8 +32,9 @@ COPY --from=builder /app/dist ./dist
 RUN addgroup -g 1001 -S nodejs
 RUN adduser -S nestjs -u 1001
 
-# Créer le dossier uploads et donner les permissions
-RUN mkdir -p /app/uploads/photos && chown -R nestjs:nodejs /app/uploads
+# Dossiers écriture runtime (nestjs non-root) : photos + documents légaux (PDF)
+RUN mkdir -p /app/uploads/photos /app/documents/legaux && \
+    chown -R nestjs:nodejs /app/uploads /app/documents
 
 USER nestjs
 
diff --git a/docker-compose.yml b/docker-compose.yml
index dcfa74b..4dcd87f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -61,6 +61,8 @@ services:
       UPLOAD_PHOTOS_DIR: ${UPLOAD_PHOTOS_DIR:-/app/uploads/photos}
     volumes:
       - backend_uploads:/app/uploads/photos
+      # PDF CGU / privacy (upload admin) — persistance entre redémarrages
+      - backend_documents_legaux:/app/documents/legaux
     depends_on:
       - database
     labels:
@@ -105,6 +107,7 @@ services:
 volumes:
   postgres_data:
   backend_uploads:
+  backend_documents_legaux:
 
 networks:
   ptitspas_network: