DevOps & Cloud Infrastructure Skill
Quick Start - Docker
FROM node:18-alpine
WORKDIR /app
COPY package*.json ./ RUN npm ci --only=production
COPY . .
EXPOSE 3000
CMD ["node", "server.js"]
Build image
docker build -t myapp:1.0 .
Run container
docker run -p 3000:3000 myapp:1.0
Core Technologies
Containerization
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Docker (images, containers, compose)
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Container registries
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Multi-stage builds
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Container security
Orchestration
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Kubernetes (K8s)
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Helm package management
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Operators and controllers
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GitOps (ArgoCD, Flux)
Cloud Platforms
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AWS: EC2, S3, RDS, Lambda, ECS, EKS
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GCP: Compute Engine, Cloud Run, Dataflow
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Azure: VMs, App Service, AKS
CI/CD
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GitHub Actions
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GitLab CI/CD
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Jenkins
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CircleCI
Infrastructure as Code
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Terraform
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CloudFormation
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Ansible
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Pulumi
Monitoring
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Prometheus + Grafana
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ELK Stack (Elasticsearch, Logstash, Kibana)
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DataDog, New Relic
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CloudWatch
Best Practices
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Automation - Automate everything
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Infrastructure as Code - Version control infrastructure
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Monitoring - Comprehensive observability
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Security - Defense in depth
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Documentation - Keep runbooks current
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Testing - Test infrastructure changes
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Versioning - Version all configurations
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Disaster Recovery - Regular DR testing
Resources
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Kubernetes Documentation
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Docker Documentation
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Terraform Documentation
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AWS Documentation