Project Overview

This project showcases a security-first CI/CD pipeline for Go microservices, built with Buildkite and deployed on Minikube. It demonstrates comprehensive DevSecOps practices through automated security checks, containerized deployment, and reproducible infrastructure.

🔗 View on GitHub

Architecture & Technologies

Core Technologies

  • Language: Go (microservices architecture)
  • CI/CD Platform: Buildkite
  • Container Orchestration: Kubernetes (Minikube)
  • Containerization: Docker
  • Database: MySQL
  • Communication: REST APIs and gRPC

Microservices Architecture

  • Order Service: Dual REST and gRPC interfaces
  • Payment Service: gRPC-based payment processing
  • Database Integration: MySQL with containerized deployment

Security Features

This project implements a comprehensive security-first approach with multiple layers of automated security checks:

🔍 Static Analysis & Scanning

  • Secret Scanning: Gitleaks integration to prevent credential leaks
  • SAST: Semgrep for static application security testing
  • SCA: OSV for software composition analysis and vulnerability detection
  • Container Scanning: Trivy for Docker image vulnerability assessment

🛡️ Supply Chain Security

  • SBOM Generation: Software Bill of Materials using Syft and Trivy
  • Cryptographic Signing: Cosign for container image signing
  • Reproducible Builds: Consistent, verifiable deployment artifacts

📋 Security Pipeline Integration

  • All security checks integrated into CI/CD pipeline
  • Automated blocking on security violations
  • Comprehensive reporting and logging

Key Design Decisions

🚀 No External Registry Approach

  • Eliminates external dependencies for local development
  • Fully self-contained deployment pipeline
  • Reduced attack surface and improved security posture

♻️ Reproducible Local Demos

  • Complete environment setup automation
  • Consistent deployment across different systems
  • Easy onboarding for team members and stakeholders

🔧 Production-Ready Patterns

  • Industry best practices implementation
  • Scalable architecture design
  • Monitoring and observability considerations

Technical Highlights

Security Pipeline Stages:
  1. Source Code Analysis (Semgrep)
  2. Dependency Scanning (OSV)
  3. Secret Detection (Gitleaks)
  4. Container Building & Scanning (Trivy)
  5. SBOM Generation (Syft)
  6. Image Signing (Cosign)
  7. Kubernetes Deployment
  8. Runtime Security Monitoring

Infrastructure as Code

  • Kubernetes manifests for service deployment
  • MySQL database configuration
  • Service mesh ready architecture
  • Resource management and scaling policies

Future Roadmap

🔒 Enhanced Security Features

  • mTLS Implementation: Service-to-service encryption
  • L7 Authorization: Application-layer access control
  • OPA/Gatekeeper: Policy-as-code implementation
  • Sigstore Integration: Enhanced signing and verification

📊 Observability & Monitoring

  • Jaeger Integration: Distributed tracing
  • OpenTelemetry: Comprehensive observability
  • Prometheus/Grafana: Metrics and alerting
  • Security Event Monitoring: Real-time threat detection

Business Impact

This project demonstrates expertise in:

  • Enterprise Security: Implementing defense-in-depth strategies
  • DevSecOps Culture: Shifting security left in development lifecycle
  • Risk Mitigation: Proactive vulnerability management
  • Compliance Ready: Supporting regulatory requirements
  • Cost Optimization: Efficient resource utilization through automation

This project represents a practical implementation of modern DevSecOps principles, showcasing the integration of security, automation, and scalability in a real-world deployment scenario.