devops-infrastructure

Terraform automates infrastructure provisioning through declarative configuration files that define cloud resources. Use workspace management to handle environment-specific deployments, apply remote state with locking for consistency, and leverage modules to standardize infrastructure components across AWS, Azure, and Google Cloud.

Production Terraform workflows require remote state storage with locking to prevent concurrent modifications, provider version pinning to ensure predictable deployments, and CI/CD integration for validate and fmt checks. This prevents drift, maintains consistency, and enables automated testing across infrastructure-as-code pipelines.

High-availability infrastructure uses load balancers, auto-scaling groups, and multi-AZ deployments to distribute traffic and withstand failures. Horizontal scaling adds capacity by increasing instances, while vertical scaling upgrades existing resources. Both strategies ensure resilience and maintain performance during demand spikes.

Terraform supports declarative infrastructure management across cloud providers and on-premise environments through provider plugins. This unified approach simplifies multi-environment deployments, reduces operational overhead, and enables consistent automation strategies whether targeting AWS, Azure, Google Cloud, or local infrastructure.

Drift detection identifies when deployed infrastructure diverges from defined Terraform configurations. Enable automated testing in IaC pipelines, validate configurations before deployment, and regularly compare actual state against declared state to catch unauthorized changes and maintain compliance across cloud environments.