diff --git a/Dockerfile b/Dockerfile
index 5d5d1b2..f8e585b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,9 @@ COPY apps/backend/package.json ./apps/backend/
 RUN pnpm config set store-dir /app/.pnpm-store \
  && pnpm config set registry ${NPM_CONFIG_REGISTRY}
 
+# Ensure no lifecycle scripts run (e.g. sharp postinstall)
+RUN pnpm config set ignore-scripts true
+
 # Prefetch only backend dependencies, then install offline without running scripts
 RUN --mount=type=cache,id=pnpm-store,target=/app/.pnpm-store \
     pnpm fetch --filter ./apps/backend \
@@ -39,6 +42,7 @@ COPY apps/backend/package.json ./apps/backend/
 # Bring over the prefetched store and deploy production deps offline
 COPY --from=deps /app/.pnpm-store /app/.pnpm-store
 RUN pnpm config set store-dir /app/.pnpm-store \
+ && pnpm config set ignore-scripts true \
  && pnpm --offline deploy --filter ./apps/backend --prod --ignore-scripts /app/apps/backend
 COPY --from=build /app/apps/backend/dist ./apps/backend/dist
 WORKDIR /app/apps/backend