diff --git a/backend/Dockerfile b/backend/Dockerfile
index 8eb3c6f..a4ead50 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -14,7 +14,7 @@ RUN if [ -n "$NPM_REGISTRY" ]; then \
     fi
 
 COPY package*.json ./
-RUN npm ci --prefer-offline --no-audit
+RUN http_proxy=http://172.17.0.1:8888 https_proxy=http://172.17.0.1:8888 npm ci --prefer-offline --no-audit
 COPY . .
 RUN http_proxy=http://172.17.0.1:8888 https_proxy=http://172.17.0.1:8888 ./node_modules/.bin/prisma generate && npm run build