This is an essential example to build docker with multi composers, pm2, nodejs/es6, nginx, redis, mongo and cluster.
Step to run
- Clone the repo
- Run development mode
docker-compose -f docker-compose.dev.yml up --build --remove-orphansor Production modedocker-compose -f docker-compose.prod.yml up --build --remove-orphans. You you want to delete all old containers and images, trydocker rm $(docker ps -a -q)anddocker rmi $(docker images -q) - Open localhost to see server response data
- Test Redis
- Run set data redis
- Run get data redis
- Connect to database: Try username/ password/ database:
admin/ admin/ diego. The port of development mode is27017and production mode is27018
create basic Nodejs code
import express from 'express'
import cors from 'cors'
import { urlencoded, json } from 'body-parser'
import dotenv from 'dotenv'
import redisClient from './redis-client'
dotenv.load()
const app = express()
app.use(urlencoded({ extended: true, limit: '500mb'}))
app.use(json({ extended: true, limit: '500mb'}))
app.use(cors())
app.get('/', (_, res) => {
res.send('Diego Cao: Hello')
})
// set data to Redis
app.get('/store/:key', async (req, res) => {
const { key } = req.params;
const value = req.query;
await redisClient.setAsync(key, value)
return res.send('Success')
})
// get data from Redis
app.get('/:key', async (req, res) => {
const { key } = req.params;
const rawData = await redisClient.getAsync(key);
return res.json(awData);
})
let server = app.listen(process.env.PORT || 8080)
server.setTimeout(500000)Multi target
FROM node:10 as base
RUN mkdir -p /usr/diego
WORKDIR /usr/diego
COPY package*.json ./
RUN npm install -g pm2 yarn
RUN yarn install
COPY . .
RUN yarn run build
FROM base as diego-dev
EXPOSE 8080 80
CMD [ "pm2", "start", "ecosystem.config.js", "--env", "development", "--no-daemon" ]
FROM base as diego
EXPOSE 8081 80
CMD [ "pm2", "start", "ecosystem.config.js", "--env", "production", "--no-daemon" ]Docker composer
version: '3.4'
services:
proxy:
restart: always
container_name: diego-dev-nginx
build:
dockerfile: Dockerfile
target: diego-dev-nginx
context: ./nginx
ports:
- "80:80"
links:
- diego-dev
diego-dev-redis:
restart: always
image: redis
container_name: diego-dev-redis
expose:
- 6379
diego-dev-db:
image: aashreys/mongo-auth:latest
container_name: diego-dev-db
restart: always
volumes:
- ./data/db:/var/mongo-dev-data/mongodb/data/db
ports:
- "27017:27017"
command: mongod --port 27017
expose:
- 27017
environment:
AUTH: "yes"
MONGODB_ADMIN_USER: root
MONGODB_ADMIN_PASS: root
MONGODB_APPLICATION_DATABASE: diego
MONGODB_APPLICATION_USER: admin
MONGODB_APPLICATION_PASS: admin
diego-dev:
build:
context: .
target: diego-dev
dockerfile: ./Dockerfile
container_name: diego-dev
restart: always
ports:
- "8080:8080"
links:
- diego-dev-redis
- diego-dev-db
volumes:
- .:/diego
tty: true
environment:
PORT: 8080
REDIS_URL: redis://diego-dev-redis
MONGO_URL: mongodb://diego-dev-db/diego
PM2 configuration
module.exports = {
apps : [{
name : 'diego-service',
script : 'dist/app.js',
exec_mode: 'cluster',
instances: "max",
env: {
name : 'diego-dev',
NODE_ENV: 'development'
},
env_production : {
name : 'diego-pro',
NODE_ENV: 'production'
}
}]
}Nginx configuration
upstream diego-dev {
server diego-dev:8080;
}
server {
listen 80;
# error_page 404 /404.html;
# location = /40x.html {}
# error_page 500 502 503 504 /50x.html;
# location = /50x.html {}
location / {
proxy_pass http://diego-dev;
}
}
If you see any issue, please do not hesitate to create an issue here or can contact me via email [email protected] or Linkedin
Thanks
references
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