Upgrade from Java 17 to Java 22 (Phases 1-5) #78
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Phase 1: Update Maven Configuration - Update java.version property from 17 to 22 - Fix maven-compiler-plugin source/target from 1.8 to 22 - Upgrade Spring Boot parent from 3.3.3 to 3.4.0 Phase 2: Update Docker Configuration - Update builder stage from maven:3.8.3-openjdk-17 to maven:3.8.3-openjdk-22 - Update runtime stage from openjdk:17-alpine to openjdk:22-alpine Phase 3: Update Jenkins CI/CD Configuration - Update README.md Jenkins installation from openjdk-17-jre to openjdk-22-jre Phase 4: Update Kubernetes Deployment - Update container image tag to java22 for the rebuilt image Phase 5: Update Documentation - Update README-K8S.md Jenkins installation from openjdk-17-jre to openjdk-22-jre Co-Authored-By: Satwik Bebortha <satwik.bebortha@cognition.ai>
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- Update Dockerfile to use existing Docker images: - Builder: maven:3.9-eclipse-temurin-22 (maven:3.8.3-openjdk-22 does not exist) - Runtime: eclipse-temurin:22-jre-alpine (openjdk:22-alpine does not exist) - Update README.md and README-K8S.md Jenkins installation: - openjdk-22-jre is not available in Ubuntu apt repositories - Added Eclipse Temurin (Adoptium) repository installation for Java 22 - Install temurin-22-jdk instead of openjdk-22-jre Co-Authored-By: Satwik Bebortha <satwik.bebortha@cognition.ai>
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Summary
This PR upgrades the Spring Boot BankApp from Java 17 to Java 22 across all configuration files, Docker images, and documentation.
Changes made:
java.versionto 22, fixed maven-compiler-plugin source/target from 1.8 to 22, upgraded Spring Boot parent from 3.3.3 to 3.4.0maven:3.9-eclipse-temurin-22and runtime stage toeclipse-temurin:22-jre-alpineopenjdk-22-jreis not available in Ubuntu apt repositories)java22Updates since last revision
maven:3.9-eclipse-temurin-22(previously referenced non-existentmaven:3.8.3-openjdk-22)eclipse-temurin:22-jre-alpine(previously referenced non-existentopenjdk:22-alpine)temurin-22-jdkpackage instead of unavailableopenjdk-22-jreReview & Testing Checklist for Human
docker build -t bankapp:java22 .to verify the image builds successfully with the new base imagestrainwithshubham/bankapp-eks:java22before deploying to KubernetesRecommended test plan:
docker build -t bankapp:java22 .docker run -p 8080:8080 bankapp:java22(will fail without MySQL, but should show Spring Boot startup)Notes
trainwithshubham/bankapp-eks:java22which needs to be built and pushed after this PR is mergedLink to Devin run: https://app.devin.ai/sessions/e4614558bfff42e0adbb5e24bba87f63
Requested by: Satwik Bebortha (@satwik-cog)