The Lambda function runs the ECS Fargate Task with appropriate parameters.S3 triggers a Lambda function when the video is uploaded.The diagram below and the steps that follow describe the overall workflow of the the application we're building. Triggering a Lambda function when thumbnail is generated.Triggering a Lambda function to run the ECS Fargate Task.Building a container image to extract thumbnails.Most importantly: I have built the application so it's generic enough to be used as a reference template for any long-running processes that need to be executed as part of a serverless application. In this article, we will look at a serverless application built using Fargate and Lambda.
You can define an ECS Task and call it from your Lambda function. With Fargate, all you have to do is package your application in containers, specify the CPU and memory requirements, define networking and IAM policies, and launch the application. AWS recently announced AWS Fargate to bridge that gap.ĪWS Fargate is a technology that allows you to use containers as a fundamental compute primitive without having to manage the underlying compute instances.įargate technology works on Amazon ECS & Amazon EKS, and allows users to run containers without having to manage servers or clusters.Īmazon ECS and Amazon EKS have two modes or launch types: Fargate and EC2. On the flip side, serverless computing offers benefits (like zero-administration, pay-per-execution, and auto-scaling capabilities) that are hard to ignore. With the execution time limits of the AWS Lambda platform, there are a lot of use cases involving long-running processes that are hard to implement. All functionality is triggered from AWS Lambda functions and contained within a serverless application written with the Serverless Framework. TL DR A Docker container does the processing -> The container extracts the thumbnail and uploads the image to an S3 bucket -> The container is managed by AWS Fargate. But, oh no, processing video files is a long-running process! Whatever will we do?
#AWS FARGATE STARTUP TIME HOW TO#
In this article, I will show you how to create an end-to-end serverless application that extracts thumbnails from video files. AWS dropped so many serverless announcements at re:Invent, the community is still scrambling to make sense of them all.
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