Posts Tagged "AWS"

Terraform IaC Pipeline with GitHub Actions: A Production-Grade Guide

A complete walkthrough for building a production-grade Terraform CI/CD pipeline using GitHub Actions — covering the bootstrap problem, multi-layer architecture, OIDC authentication, security scanning, and automated deployment to AWS ECS Fargate.

Terraform Multi-Layer Architecture: Bootstrap, Foundation, Platform, Application

A practical guide to structuring Terraform into four independent layers — solving the chicken-and-egg bootstrap problem, isolating blast radius, enforcing least-privilege IAM per layer, and wiring everything together with remote state references.

Fine-Tuning a Private LLM on AWS — Task-Specific, Secure, and Cost-Effective

A practical guide to tuning an open-weight LLM for a specific business task on AWS — covering data preparation, LoRA/PEFT fine-tuning with SageMaker Spot instances, security hardening with KMS and VPC, and keeping the entire pipeline under $10.