243 lines
6.3 KiB
Markdown
243 lines
6.3 KiB
Markdown
# Application Server to Container Migration Checklist
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## Pre-Migration Assessment
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### Application Server Analysis
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- [ ] Current application server identified (WebLogic, JBoss, Tomcat, etc.)
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- [ ] Application server configuration analyzed
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- [ ] Application dependencies on server identified
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- [ ] Server-specific configurations documented
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- [ ] Deployment procedures documented
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- [ ] Performance characteristics analyzed
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- [ ] Security configurations analyzed
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### Containerization Planning
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- [ ] Containerization strategy defined
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- [ ] Container platform selected (Docker + Kubernetes/EKS)
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- [ ] Application modernization approach planned
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- [ ] Migration timeline established
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- [ ] Risk assessment completed
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- [ ] Rollback plan created
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- [ ] Team training planned
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## Application Modernization
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### Server Dependency Removal
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- [ ] Application server dependencies removed
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- [ ] Server-specific configurations externalized
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- [ ] Server-specific APIs replaced
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- [ ] Server-specific deployment descriptors removed
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- [ ] Server-specific security configurations migrated
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- [ ] Server-specific monitoring configurations migrated
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### Spring Boot Migration
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- [ ] Spring Boot embedded server configured
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- [ ] Spring Boot starters added
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- [ ] Application configuration externalized
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- [ ] Profile-based configuration implemented
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- [ ] Health checks implemented
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- [ ] Metrics endpoints configured
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- [ ] Actuator endpoints configured
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### Stateless Application Preparation
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- [ ] Session state externalized
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- [ ] File system dependencies removed
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- [ ] Local cache dependencies removed
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- [ ] Stateless design patterns implemented
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- [ ] Configuration externalized
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- [ ] Secrets management implemented
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## Containerization
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### Docker Configuration
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- [ ] Dockerfile created
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- [ ] Multi-stage build implemented
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- [ ] Base image selected (OpenJDK 21)
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- [ ] Application files copied
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- [ ] Dependencies installed
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- [ ] Application configured
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- [ ] Health checks implemented
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### Container Optimization
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- [ ] Docker image size optimized
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- [ ] Security vulnerabilities addressed
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- [ ] Non-root user configured
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- [ ] Read-only filesystem implemented
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- [ ] Resource limits configured
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- [ ] Container security hardened
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### Container Testing
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- [ ] Container builds successfully
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- [ ] Application starts in container
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- [ ] Health checks working
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- [ ] Application functionality tested
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- [ ] Performance testing completed
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- [ ] Security testing completed
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## Orchestration Setup
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### Kubernetes Configuration
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- [ ] Kubernetes manifests created
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- [ ] Deployment configuration created
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- [ ] Service configuration created
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- [ ] ConfigMap configuration created
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- [ ] Secret configuration created
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- [ ] Ingress configuration created
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- [ ] PersistentVolume configuration created (if needed)
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### AWS EKS Setup
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- [ ] EKS cluster created
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- [ ] Node groups configured
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- [ ] Networking configured
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- [ ] Security groups configured
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- [ ] IAM roles configured
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- [ ] Load balancer configured
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- [ ] Auto-scaling configured
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### Service Mesh Configuration (Optional)
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- [ ] Service mesh selected (Istio/Linkerd)
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- [ ] Service mesh installed
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- [ ] Sidecar proxies configured
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- [ ] Traffic management configured
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- [ ] Security policies configured
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- [ ] Observability configured
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## AWS Cloud Deployment
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### Infrastructure Setup
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- [ ] AWS account configured
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- [ ] VPC and networking configured
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- [ ] Security groups configured
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- [ ] IAM roles and policies created
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- [ ] EKS cluster configured
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- [ ] Load balancer configured
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- [ ] Auto-scaling configured
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### Container Registry
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- [ ] AWS ECR repository created
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- [ ] Container images pushed
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- [ ] Image scanning configured
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- [ ] Image lifecycle policies configured
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- [ ] Access policies configured
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- [ ] CI/CD integration configured
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### Deployment Automation
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- [ ] Deployment pipeline configured
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- [ ] Blue-green deployment configured
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- [ ] Rolling deployment configured
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- [ ] Canary deployment configured
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- [ ] Rollback procedures configured
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- [ ] Monitoring integration configured
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## Monitoring and Observability
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### Application Monitoring
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- [ ] CloudWatch logging configured
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- [ ] Application metrics configured
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- [ ] Custom metrics implemented
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- [ ] Health check endpoints configured
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- [ ] Error tracking configured
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- [ ] Performance monitoring configured
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### Infrastructure Monitoring
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- [ ] Kubernetes monitoring configured
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- [ ] Node monitoring configured
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- [ ] Pod monitoring configured
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- [ ] Service monitoring configured
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- [ ] Network monitoring configured
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- [ ] Storage monitoring configured
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### Alerting and Logging
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- [ ] Alert rules configured
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- [ ] Notification channels configured
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- [ ] Log aggregation configured
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- [ ] Log analysis configured
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- [ ] Incident response procedures documented
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- [ ] Escalation procedures documented
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## Security Implementation
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### Container Security
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- [ ] Container image scanning configured
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- [ ] Runtime security monitoring configured
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- [ ] Network policies configured
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- [ ] Pod security policies configured
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- [ ] RBAC configured
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- [ ] Secrets management configured
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### Application Security
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- [ ] Authentication configured
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- [ ] Authorization configured
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- [ ] HTTPS enforcement configured
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- [ ] Security headers configured
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- [ ] Input validation implemented
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- [ ] Security testing completed
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## Documentation and Training
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### Technical Documentation
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- [ ] Migration documentation created
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- [ ] Container configuration documented
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- [ ] Kubernetes manifests documented
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- [ ] Deployment procedures documented
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- [ ] Troubleshooting guide created
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- [ ] Best practices documented
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### Operational Documentation
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- [ ] Monitoring procedures documented
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- [ ] Backup procedures documented
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- [ ] Disaster recovery procedures documented
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- [ ] Security procedures documented
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- [ ] Maintenance procedures documented
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- [ ] Team handover completed
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## Go-Live Validation
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### Pre-Deployment Checks
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- [ ] All tests passing
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- [ ] Code review completed
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- [ ] Security scan passed
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- [ ] Performance testing completed
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- [ ] Documentation updated
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- [ ] Team training completed
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### Deployment Validation
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- [ ] Application deployed successfully
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- [ ] Containers running properly
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- [ ] Health checks passing
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- [ ] Load balancing working
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- [ ] Monitoring active
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- [ ] Rollback procedures tested
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### Post-Deployment Validation
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- [ ] Application accessible and working
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- [ ] Performance metrics acceptable
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- [ ] Error logging working
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- [ ] Auto-scaling working
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- [ ] Security requirements met
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- [ ] Team notified of deployment
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