How to handle serverful resources when using ephemeral environments

AWS, Serverless

I’m a big fan of using ephemeral (or temporary) environments when I’m building serverless architectures. I have written about this practice before and I believe it’s one of the most important practices that have co-evolved with the rise of serverless technologies. It takes advantage of the pay-per-use pricing model offered by many serverless technologies such …

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Yes, S3 now encrypts objects by default, but your job is not done yet

AWS, S3, Security

Update 06/04/2023: AWS announced that S3 now enables the “block public access” and “disable ACL” settings for all new buckets. It’s great to see these being enabled by default. But the points I raised in the post still stand. The default encryption (SSE-S3) only protects against situations when someone has stolen data from AWS servers/disks …

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This is why you should keep stateful and stateless resources together

AWS, CloudFormation, Serverless

Update 24/05/2023: As Lee James Gilmore pointed out on Twitter, the unit of deployment of CDK is the CDK app. A CDK app can contain multiple CloudFormation stacks and they can be changed together (in a single commit) and deployed together. And that’s absolutely fine and compatible with what I’m advocating for in this post. …

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Year in review, 2022

Me

As the curtain draws on 2022, here’s my year in numbers: 1 book 2 on-demand video courses 1023 students enrolled in my video courses 4 public workshops 118 workshop students 21 blog posts 4 YouTube videos 14 podcast episodes 16 public speaking engagements Serverless Architectures on AWS In February 2022, after nearly two years of hard …

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The biggest preinvent serverless announcements you may have missed

AppSync, AWS, EventBridge, Lambda, Serverless, SNS

re:Invent is almost upon us. Judging by the things that had been announced ahead of re:Invent, one can’t help but be excited about the main event itself! Here is a list of the serverless-related announcements so far that you should know about. Payload-based message filtering for Amazon SNS Here’s the official announcement. This is arguably the …

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Amplify: how to fix images that show up locally but not after deployment

Amplify, AWS

You might have encountered this issue when using Amplify to host your single-page applications. An image in the public folder would show up perfectly fine when running locally but it was not found on the live site after Amplify deployed your change. Curiously, this only happens with some images – jpeg, avif, webp… The reason …

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10 performance optimization tips I learned after rebuilding two course landing pages

HTML5, Programming

I recently rebuilt the landing page for both AppSync Masterclass and Production-Ready Serverless. The sites were hosted on Shifter (think serverless WordPress) and Wix respectively. In both cases, the performance of the sites (especially on mobile) left a lot to be desired. A large portion of the user traffics to these sites comes from mobile. …

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