Gitlab- nodejs Example CICD pipeline

 Install Nodejs

On Windows/Mac/Linux download from the below website url.

https://nodejs.org/en/download/

Install Nodejs on ubuntu 

curl -fsSL https://deb.nodesource.com/setup_17.x | bash -

apt-get install -y nodejs

Step 1:- Install Visual Studio Code on your system.

Step2:- Create a folder say C:\nodeapp and open it in visual studio code

           cd c:\nodeapp

           code .

Step3:- Create a index.js file and write below code in this file

const express = require('express')
const app = express()
const port = 8080
app.get('/', (req, res) => {
  res.send('This is my first Node application!')
})
app.listen(port, () => {
  console.log(`Application is listening at http://localhost:${port}`)
})

Step 4: Create package.json file and write below content

          {

    "dependencies": {

        "express": "^4.16.1"

    }

   }

Step5: Run below commands in the terminal

          npm install

          node index.js

Step6: Add below yml file to run the application in build and deploy stage. Create artifacts in .gitlab-ci.yml

stages:

  - build

  - deploy

build:

  stage: build

  script:

    - apt update -y

    - apt install npm -y

    - npm install

  artifacts:

    paths:

      - node_modules

      - package-lock.json

    # expire_in: 1 week 

deploy:

  stage: deploy

  script:

    - apt update -y

    - apt install nodejs -y

    - node index.js > /dev/null 2>&1 &

Run node application on Gitlab using docker image

stages:

  - build

  - deploy

build:

  image: node

  stage: build

  script:

    # - apt update -y

    # - apt install npm -y

    - npm install

  artifacts:

    paths:

      - node_modules

      - package-lock.json

    # expire_in: 1 week 

deploy:

  image: node

  stage: deploy

  script:

    # - apt update -y

    # - apt install nodejs -y

    - node index.js > /dev/null 2>&1 &