diff --git a/sync/Dockerfile b/sync/Dockerfile
index e1b3f1b..77e8ca3 100644
--- a/sync/Dockerfile
+++ b/sync/Dockerfile
@@ -2,6 +2,7 @@
 FROM node:20-alpine AS builder
 WORKDIR /app
 ENV PATH="/app/node_modules/.bin:$PATH"
+ENV NODE_ENV=development
 RUN apk add --no-cache python3 make g++
 COPY package*.json .npmrc ./
 RUN npm ci --include=dev