use alpine as base image

Author: 36web

Dockerfile

@@ -1,8 +1,9 @@
-FROM node:10
+FROM node:10-alpine
 
-LABEL AUTHOR 36web<[email protected]>
+LABEL AUTHOR Chris<[email protected]>
 
-RUN npm install -g hexo-cli \
+RUN apk add --no-cache git \
+    && npm install -g hexo-cli \
     && npm cache clear --force \
     && rm -rf /tmp/* \
     && mkdir /blog \