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Cloud-Native DevOps Stack

Production-ready Infrastructure as Code with Kubernetes, Terraform, Docker, and comprehensive CI/CD pipelines for multi-cloud deployments.

🌍 Overview

This repository contains enterprise-grade DevOps infrastructure templates and practices for:

  • Kubernetes orchestration (EKS, AKS, GKE)
  • Infrastructure as Code with Terraform
  • Multi-cloud support (AWS, Azure, GCP)
  • CI/CD pipelines (GitHub Actions, GitLab CI)
  • Monitoring & observability (Prometheus, Grafana)
  • Security best practices (RBAC, secrets management)
  • Container registry (ECR, ACR, GCR)

🏗️ Tech Stack

Component Technology
Container Orchestration Kubernetes 1.28+
Infrastructure as Code Terraform 1.6+
Container Runtime Docker 24+
Cloud Providers AWS, Azure, GCP
CI/CD GitHub Actions, GitLab CI
Monitoring Prometheus + Grafana
Logging ELK Stack / Loki
Ingress NGINX Ingress Controller
Service Mesh Istio (optional)
Package Management Helm 3.13+
Secrets HashiCorp Vault / Cloud KMS
Configuration ArgoCD for GitOps

📁 Project Structure

cloud-native-devops-stack/
├── terraform/                    # Infrastructure as Code
│   ├── aws/                      # AWS infrastructure
│   │   ├── eks/                  # EKS cluster
│   │   ├── rds/                  # RDS databases
│   │   ├── vpc/                  # Networking
│   │   └── main.tf
│   ├── azure/                    # Azure infrastructure
│   │   ├── aks/                  # AKS cluster
│   │   └── main.tf
│   ├── gcp/                      # GCP infrastructure
│   │   ├── gke/                  # GKE cluster
│   │   └── main.tf
│   ├── modules/                  # Reusable modules
│   └── variables.tf
├── kubernetes/                   # K8s manifests
│   ├── manifests/                # K8s YAML files
│   │   ├── deployments/
│   │   ├── services/
│   │   ├── ingress/
│   │   ├── configmaps/
│   │   └── secrets/
│   ├── helm/                     # Helm charts
│   │   ├── app-chart/
│   │   └── infrastructure/
│   └── kustomize/                # Kustomization overlays
├── docker/                       # Container images
│   ├── Dockerfile                # Multi-stage builds
│   └── docker-compose.yml
├── scripts/                      # Deployment scripts
│   ├── deploy.sh                 # Deployment scripts
│   ├── setup-cluster.sh          # Cluster setup
│   └── health-check.sh
├── monitoring/                   # Observability
│   ├── prometheus/
│   │   └── prometheus.yml
│   ├── grafana/
│   │   └── dashboards/
│   └── loki/
│       └── loki-config.yml
├── .github/                      # GitHub Actions
│   └── workflows/                # CI/CD pipelines
│       ├── ci.yml
│       ├── deploy.yml
│       └── terraform.yml
├── docs/                         # Documentation
│   ├── ARCHITECTURE.md
│   ├── SETUP_GUIDE.md
│   └── DEPLOYMENT.md
└── LICENSE

🚀 Quick Start

Prerequisites

  • Terraform 1.6+
  • kubectl 1.28+
  • helm 3.13+
  • Docker 24+
  • AWS CLI / Azure CLI / gcloud

AWS EKS Setup

cd terraform/aws
terraform init
terraform plan
terraform apply

# Configure kubectl
aws eks update-kubeconfig \
  --region us-east-1 \
  --name my-cluster

# Verify cluster
kubectl get nodes

Deploy Application

cd kubernetes/helm
helm install my-app ./app-chart \
  -f values-prod.yaml \
  -n production

# Check deployment
kubectl get deployments -n production
kubectl logs -f deployment/my-app -n production

⚡ Key Features

Infrastructure as Code

  • Modular Terraform: Reusable modules for VPC, EKS, RDS, etc.
  • Multi-cloud: AWS, Azure, GCP support
  • State Management: Remote state with locking
  • Security: Encryption, RBAC, network policies

Kubernetes

  • Manifests: Organized YAML files with Kustomize
  • Helm Charts: Templated deployments
  • Network Policies: Microsegmentation
  • Pod Security: PSP + OPA/Gatekeeper
  • Resource Quotas: Fair resource distribution

CI/CD

  • GitHub Actions: Full pipeline workflows
  • Automated Testing: Unit, integration, security tests
  • Container Registry: Push to ECR/ACR/GCR
  • GitOps: ArgoCD for continuous deployment
  • Blue-Green Deployments: Zero-downtime updates

Observability

  • Metrics: Prometheus scraping + custom metrics
  • Dashboards: Grafana for visualization
  • Logging: ELK / Loki integration
  • Tracing: Jaeger for distributed tracing
  • Alerting: PagerDuty/Slack integration

Security

  • RBAC: Role-based access control
  • Network Policies: Pod-to-pod communication rules
  • Secrets Management: Vault / Cloud KMS
  • Image Scanning: Trivy for vulnerabilities
  • Compliance: CIS benchmarks, PCI-DSS ready

🏗️ Architecture

┌─────────────────────────────────────────────────────────────────────────────┐
│                          CI/CD Pipeline                                      │
│                 (GitHub Actions / GitLab CI)                                │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                               │
│   Build       Test       Scan           Push to Registry    GitOps Deploy   │
│   Image       &          Security       (ECR/ACR/GCR)       (ArgoCD)        │
│              Lint        Check                                               │
└─────────────────────────────────────────────────────────────────────────────┘
                                     ↓
┌─────────────────────────────────────────────────────────────────────────────┐
│                      Kubernetes Cluster                                      │
│                  (EKS/AKS/GKE)                                              │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                               │
│   Ingress Controller    Services & Pods         Volumes & Storage           │
│   (NGINX)              (Deployments)            (PV/PVC)                     │
│                                                                               │
│   Network Policies      RBAC                    Resource Quotas              │
│   Pod Security          Secrets & ConfigMaps    Auto-scaling                 │
└─────────────────────────────────────────────────────────────────────────────┘
                                     ↓
┌─────────────────────────────────────────────────────────────────────────────┐
│                     Monitoring Stack                                         │
│                 (Prometheus/Grafana)                                        │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                               │
│   Metrics Collection    Dashboards    Logging          Tracing              │
│   (Prometheus)          (Grafana)     (Loki/ELK)       (Jaeger)             │
└─────────────────────────────────────────────────────────────────────────────┘

📖 Documentation

🔗 Learning Resources

🔒 Security

  • All infrastructure encrypted at rest
  • RBAC with least privilege access
  • Network policies enforcing microsegmentation
  • Secrets managed via HashiCorp Vault
  • Regular security scanning with Trivy
  • Compliance with CIS benchmarks

🧪 Testing

# Terraform validation
terraform validate
terraform plan -out=tfplan

# Security scanning
checkov -d terraform/

# Kubernetes manifest validation
kubeval kubernetes/manifests/**/*.yaml

# Docker image scanning
trivy image my-image:latest

📊 Monitoring & Observability

Metrics, logs, and traces collected from:

  • Kubernetes API Server
  • Node exporters
  • Application pods
  • AWS CloudWatch / Azure Monitor

Access Grafana dashboards at: http://grafana.yourdomain.com

🔄 Production Deployment

# 1. Validate infrastructure
terraform validate
terraform plan -out=tfplan

# 2. Apply infrastructure
terraform apply tfplan

# 3. Deploy application
helm upgrade --install my-app ./helm/app-chart \
  -f helm/app-chart/values-production.yaml \
  --namespace production \
  --create-namespace

# 4. Verify deployment
kubectl rollout status deployment/my-app -n production
kubectl get pods -n production

🤝 Contributing

  1. Fork the repository
  2. Create a feature branch
  3. Make changes and test
  4. Submit a pull request

📜 License

Apache License 2.0 - see LICENSE file

🙋 Author

[Your Name] - Senior DevOps / Platform Engineer

Specialties: Kubernetes, Terraform, AWS/Azure/GCP, CI/CD, Infrastructure Security

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Cloud-Native DevOps Stack — Kubernetes, Docker, Terraform, CI/CD, Infrastructure as Code, multi-cloud support (AWS, Azure, GCP)

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