AWS Bites

Apr 03 2025 146 ep. 26 mins 148
AWS Bites Podcast artwork

AWS Bites is the weekly show where we answer questions about AWS! This show is brought to you be Eoin Shanaghy and Luciano Mammino, certified AWS experts.

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142. Escape from S3

Apr 03 2025 30 mins  
We discuss common use cases and challenges for copying data between S3 buckets and S3-compatible object storage services. We share our experience building an open source Node.js CLI tool called S3-Migrate to efficiently migrate data with separate source and destination credentials. We cover performance considerations like streaming, chunk sizes, concurrency and parallelism.AWS Bite

141. Step Functions with JSONata and Variables

Mar 20 2025 15 mins  
In this episode, we provide an overview of AWS Step Functions and dive deep into the powerful new JSONata and variables features. We explain how JSONata allows complex JSON transformations without custom Lambda functions, enabling more serverless workflows. The variables feature also helps avoid the previous 256KB state size limit. We share examples from real projects showing how t

140. DuckDB Meets AWS: A Match Made in Cloud

Feb 20 2025 17 mins  
In this episode, we explore DuckDB, an open-source analytical database known for its speed and simplicity. Discover how DuckDB stands out in various applications and compare it to other tools like SQLite, Athena, Pandas, and Polars. We also demonstrate integrating DuckDB with AWS Lambda and Step Functions for serverless analytics.AWS Bites is brought to you by fourTheorem. If you a

139. Building Great APIs with Powertools

Feb 19 2025 24 mins  
In this episode, we discuss using AWS Lambda Powertools for Python to build serverless REST APIs with AWS Lambda. We cover the benefits of using Powertools for routing, validation, OpenAPI support, and more. Powertools provides an excellent framework for building APIs while maintaining Lambda best practices.In this episode, we mentioned the following resources: AWS Bites 41. How ca

138. How Do You Become A Cloud Architect?

Jan 09 2025 39 mins  
Ready to take your tech career to the cloud and build those awe-inspiring systems you see? Then you're in the right place. This episode of AWS Bites is your blueprint for becoming a successful cloud architect. We're not just going to talk about it; we'll show you what worked for us, sharing the critical skills you need, and a practical path to build your expertise. Whether you're a

137. Transit Gateway Explained

Dec 12 2024 18 mins  
In this episode, David Lynam provides an overview of AWS Transit Gateway, which aims to simplify complex network connectivity between VPCs, VPNs, and on-premises networks. We discuss the limitations of using VPC peering and the benefits Transit Gateway provides through its hub-and-spoke model. The main components of Transit Gateway are explained, including attachments, route tables

136. 20 Amazing New AWS Features

Nov 28 2024 17 mins  
In this pre-re:Invent 2024 episode, Luciano and Eoin discuss some of their favorite recent AWS announcements, including improvements to AWS Step Functions, Lambda runtime updates, DynamoDB price reductions, ALB header injection, Cognito enhancements, VPC public access blocking, and more. They share their thoughts on the implications of these new capabilities and look forward to see

135. Serverless is making a comeback where you least expect it

Nov 14 2024 21 mins  
In this episode, we discuss the pros and cons of using serverless architecture in enterprise companies. We cover topics like cost, complexity, security, ability to evolve architecture, and more. Overall, we find that serverless can provide benefits like reduced operational costs, improved developer productivity, and increased focus on core business logic for larger companies. AWS

134. Eliminate the IAM User

Oct 31 2024 28 mins  
In this episode, we discuss why IAM users and long-lived credentials are dangerous and should be avoided. We share war stories of compromised credentials and overprivileged access. We then explore solutions like centralizing IAM users, using tools like AWS Vault for temporary credentials, integrating with AWS SSO, and fully eliminating IAM users when possible. 💰 SPONSORS 💰

133. Building Businesses in the Cloud with Fiona McKenna

Oct 17 2024 28 mins  
In this special episode of AWS Bites, Eoin is joined by Fiona McKenna, co-founder and CFO of fourTheorem, to discuss startup advice, hiring and growing teams, creating an environment for success, and managing cloud costs. They cover important themes around people, culture, leadership, and finance from Fiona's extensive experience in the tech industry. 💰 SPONSORS 💰 AWS B