Ricardo Cino
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cino.io
Ricardo Cino
@cino.io
AWS Community Builder | Senior Solution Software Engineer @PostNL | 7x AWS Certified
Is it too early for a Christmas tree? 👀
November 16, 2025 at 9:27 AM
Do you use AWS Lambda and are you done with writing stub datasets over and over again for your unit tests? Let me help you with my new library `aws-lambda-stubs` -> cino.io/2025/aws-lam... & www.npmjs.com/package/aws-...
AWS Lambda Stubs for unit testing
When working with AWS Lambda functions, unit testing can be a challenge due to the need to mocking all external dependencies, including AWS SDK clients. But also to provide the correct input when call...
cino.io
November 3, 2025 at 1:01 PM
Months ago I switched to using the Ghostty terminal, and till this day I'm really impressed about how well it performs. Haven't thought about going back to iTerm2 since
September 28, 2025 at 6:50 PM
On the plane to Warsaw to present at the AWS Community day Poland ✈️
September 17, 2025 at 12:44 PM
Reposted by Ricardo Cino
✍️ New blog post by Pubudu Jayawardana

EventBridge to SQS when cross region and cross account

#aws #serverless #sqs #eventbridge
EventBridge to SQS when cross region and cross account
Intro Delivering a message to a target SQS queue from EventBridge is a very common...
dev.to
September 17, 2025 at 7:44 AM
Reposted by Ricardo Cino
🌟 Issue #52 of the Serverless Advocate Newsletter is now out! 👇🏽

This is one full year of the newsletter, and I am so thankful to all of the experts who have given their own time to support me and the wider community.

A huge thank you from me! 💜

serverlessadvocate.substack.com/p/52-a-year-...
September 7, 2025 at 6:19 AM
Reposted by Ricardo Cino
✍️ New blog post by Ricardo Cino

DynamoDB Streams with more than 24 hour retention

#dynamodb #kinesis #lambda #serverless
DynamoDB Streams with more than 24 hour retention
That was kind of a misleading title, but I wanted to get your attention. The truth is that DynamoDB...
dev.to
June 25, 2025 at 7:54 AM
Reposted by Ricardo Cino
✍️ New blog post by Ricardo Cino

Private AppSync with custom dns

#aws #appsync #private #networking
Private AppSync with custom dns
In the last year I've been working a lot with AppSync and I have to say it didn't come without...
dev.to
June 7, 2025 at 1:24 PM
This would've been so nice when I needed it earlier this year.. going to make a ticket to replace the raw email 😂 aws.amazon.com/about-aws/wh...
Amazon SES now offers attachments in sending APIs - AWS
Discover more about what's new at AWS with Amazon SES now offers attachments in sending APIs
aws.amazon.com
April 19, 2025 at 5:42 PM
Great additions to my home office 😎
April 18, 2025 at 6:26 PM
A first for everything, presenting at the Amsterdam AWS Summit Community Lounge today was amazing!
April 16, 2025 at 8:24 PM
Going to be properly on time at the Amsterdam AWS Summit today, avoiding the 1 hour line I was in 2 years ago 😂
April 16, 2025 at 5:56 AM
This week I lost quite some time on modifying the TTL field on a DynamoDB table, to safe others some time and frustration I wrote a short post about it -> cino.io/2025/modifyi...
Modifying DynamoDB TTL with CDK
Ever tried to update the TTL attribute of a DynamoDB table using the AWS CDK and got a InvalidRequest in CDK or a ValidationException via the CLI? I did, and it took me a while to figure out why. In t...
cino.io
March 23, 2025 at 9:04 AM
Excited to share I've joined the AWS Community Builders Program! 🚀
March 5, 2025 at 8:01 AM
Reposted by Ricardo Cino
In issue #13, our Serverless expert of the week is AWS Serverless Hero Marcin Sodkiewicz, our spotlight falls on AWS Serverless Hero Luc van Donkersgoed, we look at the latest exciting serverless news, service updates, and more! 🚀

serverlessadvocate.substack.com/p/13-time-to...

#aws #serverless
#13 Time to Travel to re:Invent ✈️
In this week’s issue, we have more great insights from our Serverless Expert of the week Marcin Sodkiewicz, the spotlight falls on Luc van Donkersgoed, latest releases, news and more!
serverlessadvocate.substack.com
November 29, 2024 at 6:43 AM
A friendly reminder to always check and make sure you override the defaults in AWS CDK, even if you use the defaults, as it can happen they change and they do.

cino.io/2024/always-...
Always set AWS CDK Defaults
We are nearing the end of the year, the time to reflect on the past year and definitely share the things that went “wrong” or in this case the things that could have been done better. This is one of t...
cino.io
November 25, 2024 at 10:13 AM
Easier than expected, just migrated all my philips hue light from the Hue Bridge straight into Zigbee2Mqtt, really surprised by the ease of migration.
November 23, 2024 at 9:08 AM
It’s now possible to run your Lambda’s on Node22 (also @Edge)! 🎉

I didn’t know, after a release of a new runtime cold-starts tempt to be slower as it is not as used as the previous runtime at launch. Meaning, I’m going to wait with updating to the new runtime.

aws.amazon.com/blogs/comput...
Node.js 22 runtime now available in AWS Lambda | Amazon Web Services
This post is written by Julian Wood, Principal Developer Advocate, and Andrea Amorosi, Senior SA Engineer. You can now develop AWS Lambda functions using the Node.js 22 runtime, which is in active LTS...
aws.amazon.com
November 22, 2024 at 10:52 AM
The time has finally come, there is now native support for Private DNS on Amazon API Gateway!

Now hoping they will release the same for AppSync 🙏

docs.aws.amazon.com/apigateway/l...
Custom domain names for private APIs in API Gateway - Amazon API GatewayCustom domain names for private APIs in API Gateway - Amazon API Gateway
Provides an overview of API Gateway custom domain names for private APIs.
docs.aws.amazon.com
November 21, 2024 at 5:20 PM
Quite impressed with GoHugo lately, turns out if you use it right it's really powerfull
November 19, 2024 at 6:54 PM
Really liking the AWS CloudShell recently! Especially to avoid string up a VPN in my sandbox account

cino.io/2024/aws-clo...
TIL #3 - AWS CloudShell in your own vpc
Until recently, I was completely unaware of AWS CloudShell, and I’m glad I finally decided to give it a try. CloudShell provides a shell environment right in your browser, and to my surprise, you can ...
cino.io
November 18, 2024 at 7:45 AM
CloudFormation stack outputs are a pain in the ass, this is why ->
cino.io/2024/avoid-c...
Avoiding CloudFormation Stack Outputs - Cino
cino.io
November 15, 2024 at 2:55 PM
Did you know there are multiple ways of retrieving parameters with AWS CDK? And there are differences? cino.io/2024/multipl...
TIL #2 - Multiple ways to retrieve SSM parameters in AWS CDK - Cino
cino.io
November 11, 2024 at 2:22 PM
👋
November 10, 2024 at 7:46 AM