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name: cloud-migration description: Cloud migration strategies for AWS, GCP, and Azure. Use for lift-and-shift, replatforming, and cloud-native architecture design.

☁️ Cloud Migration Skill

Migration Strategies (6 Rs)

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AWS Migration

Common Services Mapping

Infrastructure as Code (Terraform)

Copy# AWS EC2 Instance
resource "aws_instance" "web" {
  ami           = "ami-0c55b159cbfafe1f0"
  instance_type = "t3.micro"
  
  tags = {
    Name = "web-server"
    Environment = "production"
  }
}

# S3 Bucket
resource "aws_s3_bucket" "assets" {
  bucket = "my-app-assets"
}

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GCP Migration

Services Mapping

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Azure Migration

Services Mapping

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Migration Checklist

Pre-Migration

• Inventory all applications
• Assess dependencies
• Choose migration strategy
• Estimate costs (TCO calculator)
• Plan network architecture
• Security compliance review

During Migration

• Set up landing zone
• Configure networking (VPC, VPN)
• Migrate databases
• Migrate applications
• Update DNS records
• Test thoroughly

Post-Migration

• Monitor performance
• Optimize costs
• Implement auto-scaling
• Set up backups
• Document architecture