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Pre-requisites, How Lambda Fn works?, Trigger Events, Cloud computing,…

- - - - using CloudWatch Events, allowing you to run your fn at specified intervals
- - - - For example, suppose that a client makes a request for a news article, the score in an online game, or a funny video. The server evaluates the details of this request and fulfills it by returning the information to the client.
- - - - Integration with Other AWS Services
        
        SNS (Simple Notification Service)
        
        Send notifications and manage messaging
        
        Step Fn
        
        Turns Lambda fn into complex workflows
        
        SQS (Simple Queue Service)
        
        Process messages in queues
      - Development and Deployment
        
        AWS SAM (Serverless Application Model)
        
        CloudFormation
      - Security and Permissions
        
        IAM Roles and Policies
        
        VPC Integration
      - Monitoring and Logging
        
        CloudWatch Logs
        
        Capture and analyze logs from Lambda functions
      - Type: Serveless compute. Use Case: automation tasks, event-driven fn2, microservices. Deployment: Deploy code as fn2. Execution Duration: short-lived
    - - Type: Virtual servers in cloud. Use Case: databases, long-running processes. Deployment: deploy app on virtual machines (VMs). Execution Duration: long-running (no time limit)
      - Development and Deployment
      - Trigger Events
        
        CloudWatch Events
        
        Adjust automatically num of EC2 instances on demand
        
        Autoscalling
        
        Elastic Load Balancing
      - Security and Permissions
      - Integration with Other AWS Services
        
        S3 (Simple Storage Service)
        
        RDS (Relational Database Service)
        
        EBS (Elastic Block Store)
      - Monitoring and Logging
    - - Containers that allow u to deploy ad hoc tasks
    - - add a layer in front of a compute service
  - - - Storing: Img, videos, txt, assets for FE
        
        Organised in buckets (each one has key, uid)
      - Triggers feature
        
        If some1 uploads or deletes file -> trigger a compute layer
  - - - Roles
        
        Define permissions for AWS services.
      - Policies
        
        JSON documents defining permissions for users, groups, or roles.
      - Groups
        
        Collections of users with specified permissions.
      - Users
        
        Individual accounts for people or services
    - - S3 Encryption
      - EBS Encryption
      - RDS Encryption
    - - VPC (Virtual Private Cloud)
      - NACLs (Network Access Control Lists)
      - Security Groups
- - - - A classic for system design interview as well. Ex. How would you build google?