Cloud migration is often presented as a large, disruptive project. In practice, most growing businesses benefit from a phased approach that moves components incrementally.
Why migrate to cloud
- Elastic scaling during traffic peaks without over-provisioning.
- Automated backups and disaster recovery options.
- CI/CD pipelines for faster, more reliable deployments.
- Managed services that reduce operational overhead (databases, caching, monitoring).
Phased migration approach
- Assessment: Inventory current infrastructure, dependencies, and performance bottlenecks.
- Non-critical first: Move staging environments and internal tools to validate the process.
- Database migration: Plan data migration with parallel running and rollback options.
- Production cutover: Switch traffic with monitoring and quick rollback capability.
- Optimization: Right-size resources and implement auto-scaling after stable operation.
Common mistakes to avoid
Lifting and shifting without optimizing for cloud-native services often results in higher costs than the original setup. Plan for cloud-specific patterns like containerization, managed databases, and infrastructure as code from the start.