add node 15.3.0 alpine

Author: DeyiXu

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:15.3.0-alpine
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+RUN apk --no-cache add ca-certificates
+RUN apk --no-cache add -U tzdata
+ENV TZ=Asia/Shanghai
+
+RUN npm install -g cnpm --registry=https://registry.npm.taobao.org
+RUN cnpm install yarn tyarn -g
+
+RUN npm version
+RUN cnpm version
+RUN yarn --version
+RUN tyarn --version