From 0a8680eaa31b84b73948b4eb0890f1b1eaba96db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=9F=E6=94=BF=E5=85=83?= <278227739@qq.com>
Date: Thu, 25 Jan 2018 23:46:24 +0800
Subject: [PATCH] improve docker build config

---
 Dockerfile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 55d4a93..e59ad21 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,11 @@
-FROM mhart/alpine-node:8
+FROM mhart/alpine-node:9
 
 WORKDIR /app
 COPY . /app
 
-RUN npm install
+RUN    rm -rf node_modules \
+    && rm package-lock.json \
+    && npm install
 
 EXPOSE 3000
 CMD ["node", "app.js"]