JAVA SpringBoot Microservices CI/CD DevOps Project

Prerequisites

• Set up WSL2 with Ubuntu 20.04 + (preferably 22.04)
• OS Windows 11 22H2
• AWS Free Tier Account
• Github Account
• Postman API Testing tool
• VSCode

Setup Inside WSL Ubuntu

• Make a bin directory in our user home directory to store binaries.

  • mkdir -p ~/bin

• Add the new bin directory to our Path.

  • echo export PATH=$PATH:~/bin >> ~/.bashrc && source ~/.bashrc

• Create a "repos" to work on your project

  • mkdir -p ~/repos

• Docker version 20.10.21

  • sudo apt install apt-transport-https ca-certificates curl software-properties-common
  • curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
  • sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
  • sudo apt update && sudo apt install docker-ce
  • sudo usermod -aG docker ${USER} && su - ${USER}
  • sudo service docker start
  • docker ps

• docker-compose version 1.29.2

  • sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o ~/bin/docker-compose
  • sudo chmod +x ~/bin/docker-compose
  • docker-compose --version

• Terraform v1.3.5

  • curl https://releases.hashicorp.com/terraform/1.3.5/terraform_1.3.5_linux_amd64.zip -o "terraform.zip" && unzip terraform.zip
  • sudo mv terraform ~/bin/
  • terraform --version

• aws-cli/2.0.30

  • sudo apt install python3-pip unzip
  • curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.0.30.zip" -o "awscliv2.zip" && unzip awscliv2.zip
  • ./aws/install -i ~/bin/awscli -b ~/bin
  • aws --version

• openjdk 11.0.17

  • sudo apt-get install openjdk-11-jdk
  • java --version

• maven 3.6.3

  • curl https://mirrors.estointernet.in/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz -o "apache-maven-3.6.3-bin.tar.gz"
  • tar -xvf apache-maven-3.6.3-bin.tar.gz
  • mv apache-maven-3.6.3 ~/bin/
  • M2_HOME='~/bin/apache-maven-3.6.3'
  • PATH="$M2_HOME/bin:$PATH"
  • export PATH

• VSCode extensions installed for WSL

  • Docker
  • Java Extension Pack
  • HashiCorp Terraform
  • Gitlens
  • Spring Boot Extension Pack
  • MySQL Extension

Get Started with the Project

1. Clone the Git Repository in WSL at your "repos" location
2. Start the Docker service
3. run docker-compose up -d

Creating a springboot project

1. Create a new Spring Project with Maven
2. Dependancies
   • Spring JPA for Data
   • MySQL Driver
   • Spring web

Building the projects in Maven containers -

1. To build the productservice app, execute [docker-compose run --rm mvn-product clean package -DskipTests]
2. To build the couponservice app, execute [docker-compose run --rm mvn-coupon clean package -DskipTests]

Postman calls to create Coupon & Products

• Create a coupon

{
    "code":"XMAS",
    "discount":25,
    "expDate":"26/12/2022"
}

• Create a product

{
    "name":"X-mas Tree",
    "description": "A must have in your Xmas decoration",
    "price": 75,
    "couponCode": "XMAS"
}