Cloud
AWS Free Tier: How to Use It for 12+ Months
A strategic guide to maximizing the AWS Free Tier beyond 12 months using Always Free services, serverless architecture, and practical cost avoidance tactics for developers.
12 min read·
Cloud
Learn cloud infrastructure from the ground up. Practical guides on AWS, Google Cloud, and Azure covering object storage, compute, IAM, and architecture patterns used in production.
47 articles
Cloud
What is Cloud Object Storage? S3, GCS, and Azure Blob Explained
Cloud object storage is how modern apps store files at scale. Learn how it works, compare AWS S3 vs Google Cloud Storage vs Azure Blob pricing and features, and master presigned URLs, lifecycle policies, and versioning.
10 min read·
Cloud
What is a CDN? How CloudFront and Cloudflare Work Under the Hood
Understand how CDNs work at the edge: PoPs, Anycast vs GeoDNS, cache behaviors, Origin Shield, invalidation strategies, and a detailed CloudFront vs Cloudflare comparison with pricing.
11 min read·
Cloud
Understanding Availability Zones and Regions: A Practical Guide
Learn what Availability Zones and regions are physically, how to design for AZ redundancy, which services are zone-scoped vs region-scoped, and what SLA documents actually guarantee.
8 min read·
Cloud
Cloud Cost Optimization: Practical Strategies That Actually Work
Reduce your cloud bill with actionable strategies: rightsizing, Savings Plans, S3 lifecycle policies, data transfer optimization, and cost management tools that deliver real results.
10 min read·
Cloud
Multi-Region Architecture: Most Apps Don't Need It (2026)
Learn when multi-region architecture is worth the complexity and how to implement active-passive and active-active patterns with database replication, global routing, and failover testing.
10 min read·
Cloud
What is Infrastructure as Code? Terraform vs Pulumi vs CDK Compared
Compare Terraform, AWS CDK, and Pulumi for Infrastructure as Code. Covers languages, state management, multi-cloud support, pricing, and practical guidance on choosing the right tool.
10 min read·
Cloud
Spot Instances Explained: How to Save 90% on AWS Compute
Learn how AWS Spot Instances work, when to use them, and how to architect for interruption. Covers pricing, Spot Fleet, mixed ASGs, checkpointing, and real cost comparisons.
8 min read·
Cloud
IAM Roles vs Policies: AWS Permissions Without the Headache
Understand AWS IAM roles, policies, users, and groups. Learn how the policy evaluation engine works, when to use identity-based vs resource-based policies, and how to implement least privilege.
12 min read·