Updated Dockerfile

created a multi stage build and tested in docker environment with compose

Dockerfile

@@ -1,13 +1,16 @@
-FROM node:lts-alpine
+FROM node:alpine as builder
+RUN apk update && apk add --no-cache python make g++
+WORKDIR /opt/app/
+COPY package.json ./
+RUN npm install
+RUN npm prune
 
-RUN mkdir -p /usr/src/app
-WORKDIR /usr/src/app
+FROM node:alpine as app
+WORKDIR /opt/app
+COPY . /opt/app
+COPY --from=builder /opt/app/node_modules ./node_modules
 
 ARG NODE_ENV
 ENV NODE_ENV $NODE_ENV
 
-COPY package.json /usr/src/app/
-RUN npm install
-COPY . /usr/src/app
-
 CMD [ "npm", "start" ]