222 lines
6.5 KiB
Markdown
222 lines
6.5 KiB
Markdown
# AWS Services Guide for Java Applications
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## Compute Services
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### Amazon EC2
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- **Use Case**: Virtual machines for traditional applications
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- **Java Integration**: Deploy Java applications on EC2 instances
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- **Best Practices**: Use Auto Scaling Groups, Elastic Load Balancer
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- **Monitoring**: CloudWatch metrics and logs
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- **Security**: Security Groups, IAM roles
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### AWS Lambda
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- **Use Case**: Serverless functions for event-driven applications
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- **Java Integration**: Java 21 runtime support
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- **Best Practices**: Keep functions stateless, optimize cold starts
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- **Monitoring**: CloudWatch logs and metrics
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- **Security**: IAM roles and VPC configuration
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### Amazon ECS
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- **Use Case**: Container orchestration for microservices
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- **Java Integration**: Deploy Java containers
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- **Best Practices**: Use Fargate for serverless containers
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- **Monitoring**: CloudWatch container insights
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- **Security**: Task roles and security groups
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### Amazon EKS
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- **Use Case**: Kubernetes cluster management
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- **Java Integration**: Deploy Java applications on Kubernetes
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- **Best Practices**: Use managed node groups, implement RBAC
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- **Monitoring**: CloudWatch container insights
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- **Security**: Pod security policies, network policies
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## Database Services
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### Amazon RDS
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- **Use Case**: Managed relational databases
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- **Java Integration**: JDBC drivers for MySQL, PostgreSQL
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- **Best Practices**: Use Multi-AZ for high availability
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- **Monitoring**: CloudWatch database metrics
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- **Security**: Encryption at rest and in transit
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### Amazon Aurora
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- **Use Case**: High-performance MySQL/PostgreSQL compatible databases
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- **Java Integration**: Standard JDBC drivers
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- **Best Practices**: Use Aurora Serverless for variable workloads
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- **Monitoring**: CloudWatch performance insights
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- **Security**: Automated backups, encryption
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### Amazon DynamoDB
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- **Use Case**: NoSQL database for scalable applications
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- **Java Integration**: AWS SDK for Java
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- **Best Practices**: Use DynamoDB Accelerator (DAX) for caching
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- **Monitoring**: CloudWatch metrics
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- **Security**: IAM policies, encryption
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## Storage Services
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### Amazon S3
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- **Use Case**: Object storage for files and data
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- **Java Integration**: AWS SDK for Java
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- **Best Practices**: Use lifecycle policies, versioning
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- **Monitoring**: CloudWatch metrics
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- **Security**: Bucket policies, encryption
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### Amazon EBS
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- **Use Case**: Block storage for EC2 instances
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- **Java Integration**: File system access
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- **Best Practices**: Use Provisioned IOPS for high performance
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- **Monitoring**: CloudWatch metrics
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- **Security**: Encryption, snapshots
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### Amazon EFS
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- **Use Case**: Shared file system for multiple instances
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- **Java Integration**: NFS mount
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- **Best Practices**: Use performance mode for high throughput
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- **Monitoring**: CloudWatch metrics
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- **Security**: Encryption, access points
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## Networking Services
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### Amazon VPC
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- **Use Case**: Virtual private cloud for network isolation
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- **Java Integration**: Network configuration
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- **Best Practices**: Use multiple availability zones
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- **Monitoring**: VPC Flow Logs
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- **Security**: Security groups, NACLs
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### Amazon API Gateway
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- **Use Case**: API management and routing
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- **Java Integration**: REST API endpoints
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- **Best Practices**: Use caching, throttling
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- **Monitoring**: CloudWatch metrics
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- **Security**: API keys, IAM authorization
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### Application Load Balancer
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- **Use Case**: Load balancing for web applications
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- **Java Integration**: HTTP/HTTPS load balancing
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- **Best Practices**: Use health checks, SSL termination
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- **Monitoring**: CloudWatch metrics
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- **Security**: Security groups, SSL certificates
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## Security Services
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### AWS IAM
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- **Use Case**: Identity and access management
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- **Java Integration**: Assume roles, temporary credentials
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- **Best Practices**: Use least privilege principle
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- **Monitoring**: CloudTrail logs
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- **Security**: Multi-factor authentication
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### AWS Secrets Manager
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- **Use Case**: Secrets and credential management
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- **Java Integration**: AWS SDK for Java
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- **Best Practices**: Rotate secrets automatically
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- **Monitoring**: CloudWatch metrics
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- **Security**: Encryption, access logging
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### AWS KMS
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- **Use Case**: Key management for encryption
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- **Java Integration**: AWS SDK for Java
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- **Best Practices**: Use customer managed keys
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- **Monitoring**: CloudWatch metrics
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- **Security**: Key rotation, access policies
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## Monitoring and Logging
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### Amazon CloudWatch
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- **Use Case**: Monitoring and observability
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- **Java Integration**: Custom metrics, logs
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- **Best Practices**: Use custom metrics, alarms
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- **Monitoring**: CloudWatch dashboards
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- **Security**: Log encryption, access control
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### AWS X-Ray
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- **Use Case**: Distributed tracing
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- **Java Integration**: AWS X-Ray SDK
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- **Best Practices**: Trace all service calls
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- **Monitoring**: X-Ray console
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- **Security**: Trace data encryption
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### Amazon CloudTrail
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- **Use Case**: API call logging and auditing
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- **Java Integration**: AWS SDK calls logged
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- **Best Practices**: Enable all regions
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- **Monitoring**: CloudTrail insights
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- **Security**: Log file validation
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## Development and Deployment
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### AWS CodeBuild
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- **Use Case**: Build and test Java applications
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- **Java Integration**: Maven/Gradle builds
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- **Best Practices**: Use buildspec.yml, caching
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- **Monitoring**: CloudWatch logs
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- **Security**: IAM roles, VPC configuration
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### AWS CodePipeline
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- **Use Case**: CI/CD pipeline automation
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- **Java Integration**: Maven builds, deployments
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- **Best Practices**: Use multiple stages, approvals
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- **Monitoring**: Pipeline execution history
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- **Security**: IAM roles, encryption
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### AWS CodeDeploy
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- **Use Case**: Application deployment automation
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- **Java Integration**: Blue/green deployments
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- **Best Practices**: Use deployment groups
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- **Monitoring**: Deployment history
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- **Security**: IAM roles, encryption
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## Best Practices for Java Applications
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### Performance Optimization
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- Use connection pooling for databases
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- Implement caching strategies
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- Optimize JVM settings for AWS
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- Use AWS services for heavy lifting
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### Security Best Practices
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- Use IAM roles instead of access keys
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- Encrypt data at rest and in transit
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- Implement proper authentication and authorization
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- Use AWS security services
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### Cost Optimization
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- Use reserved instances for predictable workloads
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- Implement auto-scaling
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- Use spot instances for non-critical workloads
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- Monitor and optimize resource usage
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### Monitoring and Observability
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- Implement comprehensive logging
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- Use CloudWatch for monitoring
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- Implement distributed tracing
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- Set up alerts and notifications
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