Moved to yarn & Alpine

Dockerfile

@@ -1,17 +1,11 @@
-FROM node
-# Create app directory
+FROM node:lts-alpine
+
 WORKDIR /usr/src/app
 
-# Install app dependencies
-# A wildcard is used to ensure both package.json AND package-lock.json are copied
-# where available (npm@5+)
-COPY package*.json ./
+COPY package.json ./
 
-RUN npm install
-# If you are building your code for production
-# RUN npm ci --only=production
+RUN yarn install
 
-# Bundle app source
 COPY . .
 
 EXPOSE 8080