@gerlynm

Migrating from Ingress NGINX to Gateway API in GKE

Mar 11 · 5 min read · If you have been working with Kubernetes for a while, there's a good chance you've used NGINX Ingress to expose services outside your cluster. For years, it has been the default choice for many teams

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Understanding CloudFront Access to S3: OAI vs OAC — My Personal Experiment

Jun 14, 2025 · 5 min read · Hey everyone! 👋 When I’m working with an S3 + CloudFront setup, I noticed something that made me curious there are two different ways to let CloudFront access S3: OAI (Origin Access Identity) and the newer OAC (Origin Access Control). That got me wo...

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How to Configure ExternalDNS with Cross-Account Route53

Jun 1, 2025 · 6 min read · When I’m working with a private EKS cluster, I recently encountered a requirement to configure ExternalDNS to update records in a Route53 hosted zone belonging to a different AWS account. After extensive research on articles, documentation, and forum...

How to Enable SSM Connect in EC2 Instances 💡

Feb 8, 2025 · 3 min read · Managing AWS EC2 instances without worrying about SSH keys is a big relief, and AWS Systems Manager (SSM) Session Manager makes it even easier. It provides a secure way to connect to your instances. In this guide, I will walk you through the steps to...

How to Migrate an RDS Database to Another AWS Account💡

Feb 5, 2025 · 4 min read · Migrating an Amazon RDS (Relational Database Service) instance from one AWS account to another is a bit different from migrating an EC2 instance. Unlike EC2, RDS is a managed service, and you can't directly "Create AMI and give permission to destinat...