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Tim’s Take: A re:Invent 2020 Serverless Wishlist — Lots of fun thoughts from one of the original creators of AWS Lambda (now independent) on what he’d like to see coming down the road for serverless, including reaching new markets, improving the developer experience, and heavily reduced runtime granularity (i.e. billing for 1ms increments, say, not 100ms).

How to Use AWS Lambda Authorizers with Third-Party Identity Providers — A guide to using Lambda functions to secure API Gateway APIs by authorizing against third party identity providers using OAuth.

Comparing Two Ways to Trigger AWS Lambda Functions from S3 — Both S3 notifications and EventBridge can be used to trigger a Lambda function when objects are added to an S3 bucket, each with pros and cons.

Using AWS Lambda with a Static Outgoing IP: A Complete No-VPC Tutorial — If you need to have a static outgoing IP when making HTTP requests from AWS Lambda, this is certainly one approach, although a server does make an appearance(!)

InfiniCache: Building a Distributed Cache on Top of AWS Lambda? — A review of an interesting paper called “InfiniCache: Exploiting Ephemeral Serverless Functions to Build a Cost-Effective Memory Cache” with a focus on the techniques used. As Mikhail says, “it takes courage and creativity to repurpose serverless stateless compute as a stateful memory store.”

The AWS Serverless Application Repository Adds Sharing for AWS Organizations — The AWS Serverless Application Repository (SAR) enables builders to package serverless applications and reuse them within their own AWS accounts or share more widely. Previously, SAR apps could only be shared with specific AWS account IDs or made publicly available, but now they can be shared with AWS Organizations specifically too.

5 Reasons Why You Should Use EventBridge Instead of SNS — Why you should consider using EventBridge over SNS for service integrations.

How to Run AWS CloudHSM Workloads on AWS Lambda — AWS CloudHSM is a cloud-based hardware security module (HSM) for generating, syncing and managing your own encryption keys using FIPS 140-2 Level 3 validated HSMs.

Introducing a Dart Runtime for AWS Lambda — Dart is a popular general purpose language originally built by Google as a sort of more structured JavaScript replacement but which is now finding its own niches. Thanks to custom AWS Lambda runtimes, you can run Dart in AWS Lambda.

AWS Compute Savings Plans Now Cover AWS Lambda Usage — If you weren’t familiar with them before, ‘savings plans’ are a way to commit to a certain spend on AWS in return for a big discount and now they cover AWS Lambda usage too.. so ideal for heavy Lambda users.

Why The ‘Why’ Matters More Than The ‘What’ in Serverless — An engineer at LEGO talks through some of the ‘fruitful things’ worth considering when it comes to adopting serverless and/or developing your serverless thinking in some way.

AWS Lambda Now Supports Ruby 2.7 — If you’re not a Rubyist, move on, but if you are, you know Ruby 2.7 has quite a few interesting new features, so it’s neat to see Lambda has picked it up just weeks after its release.

Using AI to Detect Product Defects with AWS Step Functions — A practical example of stringing together several AWS services to create a fully managed quality control automation solution using Amazon SageMaker to train and deploy an image classification model endpoint.

Getting Started with the AWS Serverless Application Repository (SAR) — SAR offers an ecosystem that lets you connect with customers and developers globally and publish serverless applications.

Provisioned Concurrency - The End of Cold Starts — Last week we covered the news about AWS Lambda getting a ‘provisioned concurrency’ option to get rid of ‘cold starts’, but here Yan Cui takes a deeper dive into the new feature.

Using Amazon RDS Proxy with AWS Lambda — RDS Proxy acts as an intermediary between your functions and an RDS database and should help things scale over time as a new database connection won’t be needed for every single function invocation.