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Spring Boot Kubernetes and MySQL

Sample project to test and deploy spring boot application with mysql database in kubernetes.

Prerequisite

  • Docker with kubernetes enabled
  • Kubernetes command-line tool(kubectl)
  • JDK 21 LTS
  • Gradle 8

Start application

  • Create secrets and start mysql database
kubectl apply -f deployment/secrets.yaml kubectl apply -f deployment/mysql-deployment.yaml 
  • Build application and deploy in kubernetes
gradle clean build -i --stacktrace docker build -t ashutoshsahoo/spring-boot-kubernetes-mysql:6.2.0 . kubectl apply -f deployment/app-k8s.yaml 
  • Test application :
curl -X GET \ http://localhost:31371/api/v1/pets \ -H 'Accept: application/json' \ -H 'Content-Type: application/json' 

Response should be :

[ { "name": "Puffball", "owner": "Diane", "species": "hamster", "sex": "f", "birth": "1999-03-30", "death": null } ]

Delete deployment, service, secret and pvc

kubectl delete -f deployment/app-k8s.yaml kubectl delete -f deployment/mysql-deployment.yaml kubectl delete -f deployment/secrets.yaml 

Code Analysis

Set the Sonarqube URL and token in gradle.properties file.

 gradle clean build sonar --stacktrace

Reference