DevOps

Mastering Terraform State: Real Incidents, Lessons, and Best Practices

Introduction: What is Terraform State? Terraform doesn’t just apply your infrastructure code and forget about it. It keeps track of what’s been created — every EC2 instance, every S3 bucket, every RDS database, every security group, and many more. That data is stored in a file called terraform.tfstate. This state file is how...

by Karandeep Singh
Tag: CloudInfrastructure
08-Aug-2025

MSP

Ensuring high availability: Testing AWS availability zone failover with Fault Injection Service (FIS)

Introduction In this blog, I have checked application availability when one of the availability zones is down. AWS has regional services where there are more than one data centers, which are known as availability zones, to ensure High availability and redundancy. For instance, we have three availability zones for the ap-south-1(Mumbai)...

by Umang Dakh
Tag: CloudInfrastructure
27-Feb-2025