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OTel-Shop Lab

End-to-end Golang microservices + OpenTelemetry lab: three small services (Order, Inventory, Payment) deployed on k3d Kubernetes, with every trace flowing through the OpenTelemetry Collector and visualized in Jaeger. Learning focus: distributed tracing, context propagation, baggage, all the way to root cause analysis of a distributed transaction.

golang

opentelemetry

distributed-tracing

Tailscale Subnet Router Lab - AWS Terraform

Infrastructure as Code lab using Terraform to build a Tailscale Subnet Router on AWS. VPC with public & private subnets, EC2 Subnet Router, and a Private EC2 with no internet access. All access through Tailscale.

terraform

aws

tailscale

60 Days DevSecOps Mastery — SecureBank API

Perjalanan 60 hari membangun SecureBank API — sebuah REST API perbankan berbasis Golang — dari kode mentah sampe production-grade di Kubernetes. Setiap fase nambah layer keamanan: Fase 1 (App Security — Secret Scan, SAST, SCA, CI/CD Pipeline), Fase 2 (Container & IaC — Docker Hardening, Terraform, DAST), Fase 3 (Kubernetes & Runtime — OPA Gatekeeper, Falco, RBAC), sampe Fase 4 (Vuln Management & Red Teaming — DefectDojo, CSPM, Audit Report). Satu proyek, satu narasi, dibangun bertahap selama 60 hari.

devsecops