Node.js with Docker Compose

.dockerignore

.dockerignore
.env
.git
.gitignore
.vs
.vscode
*.dbmdl
*.jfm
azds.yaml
charts
docker-compose*
Dockerfile*
node_modules
npm-debug.log
secrets.dev.yaml
values.dev.yaml
README.md

README.md

Build the image and Run with Docker Compose

docker compose up

app.js

const express = require('express');

const app = express();

app.get('/', (req, res) => {
    res.send('This is Home you know!!!');
});

app.listen(2000, () => console.log('Server started'));

docker-compose.yml

version: "3.9"

services:
  node-app:
    build:
      context: ./
    ports:
      - "2000:2000"
    volumes:
      - .:/usr/src/app
      - /usr/src/app/node_modules
    environment:
      - NODE_ENV=development

Dockerfile

FROM node:14.18.0-alpine AS builder

ARG PORT=2000
ENV PORT=${PORT}

# Create app directory
WORKDIR /usr/src/app

# Install app dependencies
COPY package.json ./
COPY package-lock.json ./

# Install dependencies for the app
RUN npm i

EXPOSE $PORT

CMD [ "yarn", "start:dev" ]

package.json

{
  "name": "nodejs-docker",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "start": "node app.js",
    "start:dev": "nodemon app.js"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.18.1"
  },
  "devDependencies": {
    "nodemon": "^2.0.20"
  }
}