AWS Migration Checklist for Startups: 10 Actionable Best Practices
AWS Migration Success: Use this 10-point checklist to build a scalable and secure AWS foundation. Mandate IaC, implement Auto Scaling, enforce strict IAM security, and optimize costs from day one.
Mandate Automation and Visibility: The foundation requires implementing Infrastructure as Code (IaC) immediately to ensure all infrastructure is reproducible and version-controlled. This must be complemented by setting up comprehensive monitoring from Day One to proactively track application and infrastructure health.
Optimize for Scalability and Cost: To prevent wasted spending and ensure growth, mandates include adopting Auto Scaling Groups (ASG) for all EC2 instances, leveraging AWS Managed Services, and enforcing a strict Tagging Policy for all resources for clear cost attribution.
Enforce Security and Development Discipline: Security requires strict adherence to the Principle of Least Privilege using IAM roles, and never using the root account for daily tasks. Development cycles must include a minimum viable CI/CD pipeline and prioritize reliable product delivery over premature optimization.
Launch Right: Your Blueprint for a Scalable, Secure AWS Foundation
You're ready to migrate to AWS, the industry leader, but shifting to the cloud requires more than just provisioning servers - it demands a flawless blueprint. The path to a scalable, cost-effective infrastructure is often undermined by ten common pitfalls that lead to wasted budgets and security gaps.
This article cuts through the noise and provides ten actionable, non-negotiable best practices for your team. Use this checklist to build a resilient foundation from day one, ensuring your AWS setup facilitates growth rather than crippling it later.
Pillar 1: Infrastructure & Cost Optimization
1. Mandate Infrastructure as Code (IaC)
Description & Why: Create all infrastructure using code (e.g., text files) from the start. This ensures the environment is reproducible and easily version-controlled, preventing undocumented, manual changes.
Key Tools: AWS CloudFormation, Terraform
2. Adopt Auto Scaling Groups (ASG) for all EC2 Instances
Description & Why: Use ASGs immediately for health checks and automated instance replacement/healing, even if you don't need immediate scaling out. This is a fundamental step for resilience and automatic recovery.
Key Tools: Amazon EC2 Auto Scaling
3. Implement a Mandatory Tagging Policy for all Resources
Description & Why: Clearly tag every resource (EC2, Lambda, databases, S3, etc.) with ownership, environment, and purpose. This is essential for clean cost attribution and resource management.
Key Tools: AWS Resource Tags
4. Automate Resource Provisioning and Decommissioning
Description & Why: Leverage AWS's on-demand model. Automate the scaling up and down of resources, and ensure non-essential resources (like dev/staging servers) are automatically stopped when idle to prevent unnecessary billing.
Key Tools: AWS Auto Scaling Features
5. Prioritize Reliable Product Delivery over Micro-Optimization
Description & Why: Focus on building a reliable product and satisfying customers first. Defer premature micro-optimizations or engineering solutions for edge cases until scaling actually demands them.
Key Concept: Lean Development
Agents ship fast. Guardrails keep them safe.
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Description & Why: Choose AWS-managed services (like RDS, Elastic Load Balancer, EKS) over self-managed solutions to save time, reduce maintenance overhead, and ensure built-in reliability. Use Spot Instances for non-mission-critical tasks to save costs.
Key Tools: AWS RDS, EKS, EC2 Spot Instances
7. Implement a minimum viable CI/CD pipeline immediately
Description & Why: Start small but establish Continuous Integration and Continuous Delivery (CI/CD) processes to enable frequent, error-free code integrations and multiple daily deployments.
Key Tools: Qovery, GitHub Actions, AWS CodeBuild
8. Automate high-priority, repeatable tasks first
Description & Why: Go beyond IaC. Identify and automate any business or operational task (backups, reporting, log analysis) that is time-consuming or prone to human error, using serverless functions.
Key Tools: AWS Lambda, CI/CD Tools
9. Set up comprehensive monitoring and custom alarms from Day One
Description & Why: Track critical application metrics (latency, throughput) and infrastructure health (CPU, memory). Create custom dashboards and set automated notification alerts to proactively catch and fix issues.
Key Tools: AWS CloudWatch, Datadog
Pillar 3: Security & Access Discipline
10. Enforce Strict IAM and Root Account Security Policies
Description & Why:Never use the root account for daily tasks. Create dedicated IAM Users with Multi-Factor Authentication (MFA) enabled. Crucially, adhere strictly to the principle of Least Privilege when granting permissions to users and roles.
Key Concept: AWS IAM Roles, MFA, Least Privilege
Conclusion
The path to a successful AWS migration is not achieved by avoiding complexity, but by mastering the foundational practices outlined above. By systematically implementing these 10 actionable best practices - from mandating IaC to enforcing strict security policies - your startup ensures that your cloud environment is scalable, cost-effective, and secure.
This discipline allows your engineering team to focus on building world-class products and delivering business value, rather than struggling with infrastructure management.
Morgan co-founded Qovery and leads engineering. He writes about Kubernetes architecture, DevOps best practices, and building resilient infrastructure at scale.
Next step
Agents ship fast. Guardrails keep them safe.
Qovery ensures every agent action is scoped, audited, and policy-checked. Start deploying in under 10 minutes.
