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Joseph Velliah

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aws

A collection of 17 posts

Building an Agent on Amazon Bedrock AgentCore: End-to-End Notes
April 18, 2026 5 min read

Building an Agent on Amazon Bedrock AgentCore: End-to-End Notes

Notes from an end-to-end build on Amazon Bedrock AgentCore — where prompt injection actually gets stopped, where PII ...

AWS

Build a Semantic Cache with AWS Services (S3 Vectors + Bedrock)
January 25, 2026 3 min read

Build a Semantic Cache with AWS Services (S3 Vectors + Bedrock)

LLM calls are expensive and slow, but users ask the same questions in different ways. This guide shows how to build a...

AWS

Build a DevSecOps Pipeline on AWS: A Hands-On Guide
January 4, 2026 3 min read

Build a DevSecOps Pipeline on AWS: A Hands-On Guide

A hands-on guide to building a security-first CI/CD pipeline on AWS with automated scanning gates. Learn how I implem...

AWS

AWS DevOps Agent: AI-Powered Incident Investigation
December 5, 2025 10 min read

AWS DevOps Agent: AI-Powered Incident Investigation

AWS DevOps Agent uses AI to investigate production incidents in seconds. A first look at what it does and where it fi...

AWS

DynamoDB Multi-Attribute Composite Keys, Explained
November 25, 2025 4 min read

DynamoDB Multi-Attribute Composite Keys, Explained

DynamoDB's multi-attribute composite keys remove a long-standing workaround. Here's what changed and how to use them ...

AWS

CDN Behind a Reverse Proxy: A Hidden Single Point of Failure
November 8, 2025 8 min read

CDN Behind a Reverse Proxy: A Hidden Single Point of Failure

Placing a CDN after your reverse proxy defeats its global routing and creates a single point of failure. Here's why, ...

AWS

Modernizing Bot Infrastructure: A Kubernetes Success Story
January 26, 2025 1 min read

Modernizing Bot Infrastructure: A Kubernetes Success Story

Discover how Kubernetes transformed scattered bot infrastructure, reducing deployment time, cutting costs by 60%, and...

Cloud Computing

Kubernetes Secrets: A Guide to Secure Secret Injection
September 4, 2024 13 min read

Kubernetes Secrets: A Guide to Secure Secret Injection

Learn secure ways to inject secrets into Kubernetes workloads — env vars, volumes, and external secret stores — and t...

Kubernetes

Integrating GitLab and AWS with OIDC (No Static Keys)
August 4, 2024 5 min read

Integrating GitLab and AWS with OIDC (No Static Keys)

Connect GitLab CI/CD to AWS using OIDC — assume IAM roles and run AWS commands in pipelines without storing static cr...

DevSecOps

Unleash the Power of HashiCorp Vault: How to Log and Alert with AWS CloudWatch Logs
June 23, 2023 14 min read

Unleash the Power of HashiCorp Vault: How to Log and Alert with AWS CloudWatch Logs

Learn how to integrate HashiCorp Vault with AWS CloudWatch Logs for robust secrets management, proactive monitoring, ...

AWS

The Future of Code As a Service (CAAS)
August 26, 2022 6 min read

The Future of Code As a Service (CAAS)

Discover how AI-powered Code as a Service tools like GitHub Copilot and AWS CodeWhisperer are transforming programmin...

AWS

My Multi-Cloud Journey: Lessons and Career Strategies
June 24, 2022 8 min read

My Multi-Cloud Journey: Lessons and Career Strategies

Lessons from working across AWS, Azure and GCP — certifications, skills and strategies that helped me grow as a multi...

AWS

Automating Slackbot Deployment with Ansible and Jenkins
May 21, 2022 5 min read

Automating Slackbot Deployment with Ansible and Jenkins

Learn how to automate Slackbot deployment using Ansible and Jenkins, simplifying server configuration and reducing ma...

AWS

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