infrastructure

Redis hardening with ACLs protected mode and network isolation

Redis should not be assumed safe just because it sits inside a VPC or private subnet. I enable authentication or ACLs, bind deliberately, and keep the service off public networks entirely. Fast infrastructure becomes dangerous infrastructure when team

Terraform basics: providers, resources, and state

Terraform is an infrastructure as code (IaC) tool that provisions cloud resources declaratively. Configuration files use HCL (HashiCorp Configuration Language). The provider block configures cloud providers like AWS, GCP, or Azure. resource blocks def

Terraform state management and workspace strategies

Terraform state tracks the mapping between configuration and real infrastructure. Remote state backends like S3, GCS, or Terraform Cloud enable team collaboration. DynamoDB provides state locking to prevent concurrent modifications. The terraform_remo