Cloud & DevOps

AWS Serverless Development with Lambda Serverless Framework Setup Project Structure and Configuration Lambda Function Implementation User Management Handler Authentication Handler DynamoDB Service Layer User Service with DynamoDB File Upload and Processing S3 File Upload Handler Background Jobs and Queues SQS Message Processing Scheduled Tasks Testing Serverless Functions Unit Tests Integration Tests Checklist for AWS Serverless Development [ ] Set up Serverless Framework with proper configuration [ ] Implement Lambda functions with proper error handling [ ] Configure DynamoDB tables with appropriate indexes [ ] Set up API Gateway with authentication and CORS [ ] Implement file upload and processing with S3 [ ] Create background job processing with SQS [ ] Add scheduled tasks for maintenance operations [ ] Configure proper IAM roles and permissions [ ] Implement comprehensive logging and monitoring [ ] Set up local development environment [ ] Add unit and integration tests [ ] Configure environment-specific deployments [ ] Implement proper secret management [ ] Add performance monitoring and alerting [ ] Set up CI/CD pipeline for automated deployments

Docker Containerization Best Practices Dockerfile Optimization Multi-Stage Builds for Smaller Images Layer Caching Optimization Security Hardening Image Size Optimization Alpine Linux Base Images .dockerignore Configuration Distroless Images for Production Docker Compose for Development Complete Development Environment Development Dockerfile Health Checks and Monitoring Application Health Check Health Check Endpoint Environment Configuration Environment Variables Management Runtime Configuration Logging and Debugging Structured Logging Configuration Debug Container Setup Security Best Practices Secret Management Network Security Production Deployment Production Docker Compose CI/CD Pipeline Integration Performance Optimization Resource Limits Caching Strategies Monitoring and Observability Container Metrics Checklist for Docker Containerization [ ] Use multi-stage builds to minimize image size [ ] Implement proper layer caching strategies [ ] Create non-root user for security [ ] Configure .dockerignore for build optimization [ ] Add health checks and readiness probes [ ] Set up structured logging [ ] Implement secret management [ ] Configure resource limits and ulimits [ ] Use Alpine or distroless base images [ ] Set up development docker-compose [ ] Configure production deployment [ ] Implement container security scanning [ ] Add monitoring and observability [ ] Document container architecture

Kubernetes Deployment Best Practices Deployment Configuration Create robust deployment manifests with proper resource management. Service and Networking Configure services and ingress for proper networking and load balancing. ConfigMaps and Secrets Manage application configuration and sensitive data securely. Persistent Storage Configure persistent volumes and storage classes for data persistence. Resource Management and Autoscaling Implement horizontal and vertical pod autoscaling for optimal resource usage. Security and RBAC Implement proper security controls and role-based access control. Backup and Disaster Recovery Implement backup strategies and disaster recovery procedures. Multi-Environment Management Manage multiple environments with proper configuration and promotion strategies. Checklist [ ] Configure deployments with proper resource limits and health checks [ ] Set up services and ingress for networking and load balancing [ ] Manage configuration and secrets securely [ ] Implement persistent storage for stateful applications [ ] Configure autoscaling and resource management [ ] Implement proper security controls and RBAC [ ] Set up comprehensive monitoring and alerting [ ] Integrate with CI/CD pipelines for automated deployments [ ] Implement backup and disaster recovery strategies [ ] Use Kustomize or Helm for multi-environment management [ ] Follow Kubernetes naming conventions and labeling standards [ ] Implement network policies for security [ ] Use pod disruption budgets for high availability [ ] Monitor resource usage and optimize for cost [ ] Regularly update and patch container images and Kubernetes components

Terraform Iac This document provides comprehensive guidelines for terraform iac development and best practices. Core Concepts Resources Resources for infrastructure components Implement proper resources for infrastructure components Follow best practices for optimal results Data Data sources for existing infrastructure Implement proper data sources for existing infrastructure Follow best practices for optimal results Variables Variables for parameterization Implement proper variables for parameterization Follow best practices for optimal results Outputs Outputs for information sharing Implement proper outputs for information sharing Follow best practices for optimal results Locals Locals for computed values Implement proper locals for computed values Follow best practices for optimal results State Management Remote Remote state backends (S3, Azure, GCS) Implement proper remote state backends (s3, azure, gcs) Follow best practices for optimal results State State locking mechanisms Implement proper state locking mechanisms Follow best practices for optimal results State State file security and encryption Implement proper state file security and encryption Follow best practices for optimal results State State manipulation commands Implement proper state manipulation commands Follow best practices for optimal results Workspace Workspace management Implement proper workspace management Follow best practices for optimal results Provider Configuration Multi-provider Multi-provider setups Implement proper multi-provider setups Follow best practices for optimal results Provider Provider versioning and constraints Implement proper provider versioning and constraints Follow best practices for optimal results Provider Provider authentication methods Implement proper provider authentication methods Follow best practices for optimal results Provider Provider aliases for multiple instances Implement proper provider aliases for multiple instances Follow best practices for optimal results Custom Custom provider development Implement proper custom provider development Follow best practices for optimal results Security Best Practices Secrets Secrets management strategies Implement proper secrets management strategies Follow best practices for optimal results IAM IAM role and policy configuration Implement proper iam role and policy configuration Follow best practices for optimal results Network Network security implementations Implement proper network security implementations Follow best practices for optimal results Encryption Encryption at rest and in transit Implement proper encryption at rest and in transit Follow best practices for optimal results Compliance Compliance and governance Implement proper compliance and governance Follow best practices for optimal results Multi-Environment Management Environment Environment separation strategies Implement proper environment separation strategies Follow best practices for optimal results Workspace Workspace utilization Implement proper workspace utilization Follow best practices for optimal results Configuration Configuration inheritance Implement proper configuration inheritance Follow best practices for optimal results Environment-specific Environment-specific variables Implement proper environment-specific variables Follow best practices for optimal results Promotion Promotion workflows Implement proper promotion workflows Follow best practices for optimal results CI/CD Integration Automated Automated planning and applying Implement proper automated planning and applying Follow best practices for optimal results GitOps GitOps workflows Implement proper gitops workflows Follow best practices for optimal results Pipeline Pipeline security considerations Implement proper pipeline security considerations Follow best practices for optimal results Approval Approval processes Implement proper approval processes Follow best practices for optimal results Rollback Rollback strategies Implement proper rollback strategies Follow best practices for optimal results Team Collaboration Code Code organization and structure Implement proper code organization and structure Follow best practices for optimal results Version Version control best practices Implement proper version control best practices Follow best practices for optimal results Code Code review processes Implement proper code review processes Follow best practices for optimal results Documentation Documentation standards Implement proper documentation standards Follow best practices for optimal results Knowledge Knowledge sharing strategies Implement proper knowledge sharing strategies Follow best practices for optimal results Summary Checklist [ ] Core principles implemented [ ] Best practices followed [ ] Performance optimized [ ] Security measures in place [ ] Testing strategy implemented [ ] Documentation completed [ ] Monitoring configured [ ] Production deployment ready Follow these comprehensive guidelines for successful terraform iac implementation.

DevOps CI/CD with GitHub Actions Workflow Fundamentals and Setup Basic Workflow Structure Environment Variables and Secrets Management Node.js Application CI/CD Complete Node.js Pipeline Advanced Docker Multi-Stage Build Infrastructure as Code with Terraform Terraform Deployment Pipeline Kubernetes Deployment Pipeline Kubernetes Deployment Workflow Helm Chart Template Database Migration and Backup Database Migration Pipeline Monitoring and Observability Performance Monitoring Pipeline Reusable Workflows and Actions Custom Action for Deployment Reusable Security Workflow Checklist for DevOps CI/CD with GitHub Actions [ ] Set up comprehensive workflow structure with proper triggers [ ] Configure environment variables and secrets management [ ] Implement multi-stage testing (unit, integration, E2E) [ ] Add security scanning and vulnerability checks [ ] Set up Docker multi-stage builds with optimization [ ] Configure container registry authentication and push [ ] Implement Infrastructure as Code with Terraform [ ] Set up Kubernetes deployment with Helm charts [ ] Add database migration and backup workflows [ ] Configure monitoring and alerting pipelines [ ] Implement proper deployment strategies (blue-green, rolling) [ ] Set up environment-specific configurations [ ] Add performance monitoring and lighthouse checks [ ] Create reusable workflows and custom actions [ ] Configure proper notification systems (Slack, email) [ ] Implement rollback mechanisms for failed deployments