AWS Elastic Beanstalk Overview
Elastic Beanstalk is an AWS service that simplifies the process of deploying and scaling web applications and services. It provides a developer-centric view of application deployment, with AWS managing the underlying infrastructure.
Key Concepts of Elastic Beanstalk:
- Load Balancer (ELB): Distributes incoming application traffic across multiple EC2 instances.
- Auto Scaling Group (ASG): Automatically adjusts the number of EC2 instances to meet the demand.
- EC2 Instances: Virtual servers in AWS's cloud.
- RDS Database: Relational database service for handling database operations.
- ElastiCache: In-memory cache service to enhance application performance.
- Application Versions: Different iterations of your application code.
- Environments: Setups for running different application versions.
- Tiers: There are two tiers, the web server environment tier and the worker environment tier.
- Environment Lifecycle Management: Managing the creation, updating, and deletion of environments.
Deployment Process in Elastic Beanstalk:
- Create an Application: Define your application within Elastic Beanstalk.
- Upload a Version: Upload a new iteration of your application code.
- Launch an Environment: Start an environment with the uploaded application version.
- Manage Environment Lifecycle: Update, monitor, and maintain the environment.

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