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Compute Services

QuestionAnswer
What is Docker? A software development platform for application deployment Package an application into a container which can be run on any operating system Makes use of Docker Images
What is ECS? AWS support for Docker - used to launch Docker containers Must provision and maintain the EC2 advances in advance Has integrations with Application Load Balancers
What is Fargate compared to ECS? Fully managed version of ECS - serverless
What does Serverless mean? A new paradigm Developers only concern themselves with the code - all server infrastructure is managed by AWS
What is AWS Lambda? Way of running code in a serverless manner - just upload code to a Lambda and define when the lambda is triggered (event, chron) Expose the Lambda function to internal services or via API Gateway Up to 15 minutes invocation time
What is API Gateway? Fully managed service allowing user to create, maintain and monitor APIs in the Cloud WebSocket and RESTful APIs supported Built in capabilities: - Security, - user authentication - API throttling, - keys
What is AWS Batch? Managed way to run batch compute workloads Batch task = one with defined start and end Dynamically launches EC2 or spot instances with required amount of compute/memory Submit jobs as Docker images to the batch queue Runs on ECS No time limit
What is Lightsail? Managed solution for simple stacks Standalone service containing: - servers - storage - databases - networking Low and predictable pricing Highly available Easy to adopt No autoscaling, limited AWS integration
What are the benefits of containerisation? Reduced compatibility issues More predictable behaviour of application Easier to maintain and deploy code
How are Docker Images stored? In docker repositories Public repos can be found in the AWS Docker Hub Private repos can be stored in the Elastic Container Registry
What are the benefits of AWS Lambda compared to EC2 instances? EC2 instances are limited by RAM/CPU, take time to scale and run continuously Lambda functions are virtual and run on-demand with automated scaling and short execution times Easy PAYG pricing Event-driven Easy to monitor via CloudWatch Multi-lingual
Created by: katejimh
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