Infrastructure automation has significantly evolved, transitioning from manual configurations to sophisticated self-service platforms, enhancing consistency, scalability, and governance in deployments. Tools like OpenTofu, which treat infrastructure as code, have revolutionized this space by providing transparency, adaptability, and reduced vendor lock-in. The evolution of infrastructure management is marked by four stages: initial automation through version control, collaborative workflows, specialized infrastructure pipelines, and advanced orchestration. The final stage involves fully self-service models with robust governance and compliance mechanisms, where security and compliance can be automated. OpenTofu, as a community-driven alternative to Terraform, offers advantages such as greater transparency and faster innovation. Infrastructure automation is now a strategic necessity, allowing organizations to turn infrastructure from a cost center into a competitive advantage by integrating with CI/CD pipelines and other tools.