fix: web/Dockerfile cnpm install error
@@ -3,8 +3,7 @@ FROM node:12.16.1
WORKDIR /gva_web/
COPY . .
-RUN npm install -g cnpm --registry=https://registry.npm.taobao.org
-RUN cnpm install || npm install
+RUN npm install
RUN npm run build
FROM nginx:alpine