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name: devops-cicd description: | Guide for building CI/CD pipelines, managing infrastructure as code, and implementing deployment best practices. Use when setting up pipelines, containerizing applications, or configuring infrastructure.

DevOps & CI/CD

When to use this skill

Use this skill when:

• Setting up or modifying CI/CD pipelines
• Containerizing applications with Docker
• Managing infrastructure as code
• Troubleshooting deployment failures
• Implementing monitoring and alerting

CI/CD Pipeline Stages

Build

• Install dependencies
• Compile/transpile code
• Generate artifacts
• Cache dependencies for speed

Test

• Run unit tests
• Run integration tests
• Static analysis and linting
• Security scanning

Deploy

• Deploy to staging environment
• Run smoke tests
• Deploy to production
• Verify deployment health

Infrastructure as Code

Terraform

Copy# Define resources declaratively
resource "aws_instance" "example" {
  ami           = "ami-0c55b159cbfafe1f0"
  instance_type = "t2.micro"
}

Docker

CopyFROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production
COPY . .
CMD ["node", "server.js"]

Deployment Strategies

Rolling Deployment

• Gradual replacement of instances
• Zero downtime
• Easy rollback

Blue-Green Deployment

• Two identical environments
• Switch traffic atomically
• Fast rollback

Canary Deployment

• Route small percentage to new version
• Monitor for issues
• Gradually increase traffic

DevOps Checklist

• Pipeline runs on every commit
• Tests run before deployment
• Deployments are automated
• Rollback procedure is documented
• Infrastructure is version controlled
• Secrets are managed securely
• Monitoring is in place
• Alerts are configured