Tag serverless

Comparing API Gateways on AWS

Of the different API gateways offered by AWS, which option fits your needs? An API Gateway is “a server that acts as an API front-end, receives API requests, enforces throttling and security policies, passes requests to the back-end service, and then pa...

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How to enable CORS on API Gateway with Lambda proxy integration?

When building single-page applications (SPA), you will sooner or later stumble upon Cross-Origin Resource Sharing (CORS). In short, a browser does only allow requests to the same same origin (domain, protocol and port), that was used for the initial req...

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Resilient event-driven Serverless architectures: Isolate your dependencies

Most systems grow over time. Dependencies are added, and availability suffers. How can we design an event-driven serverless architecture that stays resilient if we add dependencies? In this blog post, I walk you through a real-world application that iso...

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Containers vs. Serverless: Thoughts About Your Cloud Strategy

There are many ways to build on AWS. When shaping the strategy for your organization, the following two options should be on your shortlist. Containers: Package your source code into containers and leverage AWS’s fully-managed services, providing the c...

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Review: API Gateway HTTP APIs - Cheaper and Faster REST APIs?

An API gateway acts as an API front-end that receives API requests from clients and forwards them to back-end services. Typically, an API gateway offers the following features: Throttling Billing Authentication and authorization Request validation Requ...

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What's the best AWS Compute option for your project?

There are many good reasons why you should move to the cloud and AWS in particular. Benefit from the latest innovations or consume sophisticated technology as a commodity (relational databases, Hadoop clusters, data warehouses, …) to lower your time to ...

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How we run our blog cloudonaut.io

Now and then you ask us: How do you run cloudonaut.io? Today, I want to share some insights with you about the work and technology behind the scenes of our blog. How do we come up with new topics? How do we host this website? How do we survive to be li...

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Review: Amazon Aurora Serverless - A cloud-native and production-ready relational database?

It was never easier to scale your compute layer. EC2 Auto Scaling, Fargate, and Lambda enable horizontal scaling. But how do you scale your database? Use a NoSQL database like DynamoDB, one could say. But what if you don’t want to miss all the advantage...

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Download YouTube videos with AWS Lambda and store them on S3

Recently, I was faced with the challenge to download videos from YouTube and store them on S3. Sounds easy? Remember than Lambda comes with a few limitations: 512 MB of disk space available at /tmp 3008 MB of memory 15 minutes maximum execution time ...

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Beginner-friendly mobile backend based on AWS AppSync

Are you looking for a way to build a backend for a mobile or web application on AWS? You should check out the newcomer announced by AWS last year: AWS AppSync which provides a GraphQL based API endpoint. AppSync is serverless and very beginner friendly....

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