BMAD-METHOD/expansion-packs/bmad-java/checklists/application-server-to-container-checklist.md

Application Server to Container Migration Checklist

Pre-Migration Assessment

Application Server Analysis

• Current application server identified (WebLogic, JBoss, Tomcat, etc.)
• Application server configuration analyzed
• Application dependencies on server identified
• Server-specific configurations documented
• Deployment procedures documented
• Performance characteristics analyzed
• Security configurations analyzed

Containerization Planning

• Containerization strategy defined
• Container platform selected (Docker + Kubernetes/EKS)
• Application modernization approach planned
• Migration timeline established
• Risk assessment completed
• Rollback plan created
• Team training planned

Application Modernization

Server Dependency Removal

• Application server dependencies removed
• Server-specific configurations externalized
• Server-specific APIs replaced
• Server-specific deployment descriptors removed
• Server-specific security configurations migrated
• Server-specific monitoring configurations migrated

Spring Boot Migration

• Spring Boot embedded server configured
• Spring Boot starters added
• Application configuration externalized
• Profile-based configuration implemented
• Health checks implemented
• Metrics endpoints configured
• Actuator endpoints configured

Stateless Application Preparation

• Session state externalized
• File system dependencies removed
• Local cache dependencies removed
• Stateless design patterns implemented
• Configuration externalized
• Secrets management implemented

Containerization

Docker Configuration

• Dockerfile created
• Multi-stage build implemented
• Base image selected (OpenJDK 21)
• Application files copied
• Dependencies installed
• Application configured
• Health checks implemented

Container Optimization

• Docker image size optimized
• Security vulnerabilities addressed
• Non-root user configured
• Read-only filesystem implemented
• Resource limits configured
• Container security hardened

Container Testing

• Container builds successfully
• Application starts in container
• Health checks working
• Application functionality tested
• Performance testing completed
• Security testing completed

Orchestration Setup

Kubernetes Configuration

• Kubernetes manifests created
• Deployment configuration created
• Service configuration created
• ConfigMap configuration created
• Secret configuration created
• Ingress configuration created
• PersistentVolume configuration created (if needed)

AWS EKS Setup

• EKS cluster created
• Node groups configured
• Networking configured
• Security groups configured
• IAM roles configured
• Load balancer configured
• Auto-scaling configured

Service Mesh Configuration (Optional)

• Service mesh selected (Istio/Linkerd)
• Service mesh installed
• Sidecar proxies configured
• Traffic management configured
• Security policies configured
• Observability configured

AWS Cloud Deployment

Infrastructure Setup

• AWS account configured
• VPC and networking configured
• Security groups configured
• IAM roles and policies created
• EKS cluster configured
• Load balancer configured
• Auto-scaling configured

Container Registry

• AWS ECR repository created
• Container images pushed
• Image scanning configured
• Image lifecycle policies configured
• Access policies configured
• CI/CD integration configured

Deployment Automation

• Deployment pipeline configured
• Blue-green deployment configured
• Rolling deployment configured
• Canary deployment configured
• Rollback procedures configured
• Monitoring integration configured

Monitoring and Observability

Application Monitoring

• CloudWatch logging configured
• Application metrics configured
• Custom metrics implemented
• Health check endpoints configured
• Error tracking configured
• Performance monitoring configured

Infrastructure Monitoring

• Kubernetes monitoring configured
• Node monitoring configured
• Pod monitoring configured
• Service monitoring configured
• Network monitoring configured
• Storage monitoring configured

Alerting and Logging

• Alert rules configured
• Notification channels configured
• Log aggregation configured
• Log analysis configured
• Incident response procedures documented
• Escalation procedures documented

Security Implementation

Container Security

• Container image scanning configured
• Runtime security monitoring configured
• Network policies configured
• Pod security policies configured
• RBAC configured
• Secrets management configured

Application Security

• Authentication configured
• Authorization configured
• HTTPS enforcement configured
• Security headers configured
• Input validation implemented
• Security testing completed

Documentation and Training

Technical Documentation

• Migration documentation created
• Container configuration documented
• Kubernetes manifests documented
• Deployment procedures documented
• Troubleshooting guide created
• Best practices documented

Operational Documentation

• Monitoring procedures documented
• Backup procedures documented
• Disaster recovery procedures documented
• Security procedures documented
• Maintenance procedures documented
• Team handover completed

Go-Live Validation

Pre-Deployment Checks

• All tests passing
• Code review completed
• Security scan passed
• Performance testing completed
• Documentation updated
• Team training completed

Deployment Validation

• Application deployed successfully
• Containers running properly
• Health checks passing
• Load balancing working
• Monitoring active
• Rollback procedures tested

Post-Deployment Validation

• Application accessible and working
• Performance metrics acceptable
• Error logging working
• Auto-scaling working
• Security requirements met
• Team notified of deployment