Simpler Dockerfile
-FROM node:alpine
+FROM node:8.12.0-alpine
WORKDIR /app
-COPY package.json ./
-RUN ["npm", "install"]
-
-FROM node:alpine
-
-WORKDIR /app
-
-COPY --from=0 /app/node_modules node_modules
-
EXPOSE 8080
CMD ["npm", "run", "dev"]
+COPY package* ./
+RUN npm install
COPY . .
