Production Docker Images for Rails Applications

Deploying Rails applications to production requires a secure, fast, and lightweight container setup. This text-only course guides you through the process of containerizing your Rails apps using modern best practices that keep your images compact and secure. You will learn how to handle precompiled assets, manage environment variables, and streamline your deployment workflow. What you'll learn: Understand core containerization and Dockerfile concepts for Rails; Build optimized multi-stage production Dockerfiles to minimize image size; Configure asset precompilation and environment variables securely; Integrate modern container practices including health checks and non-root users; Publish your production-ready images to Docker Hub for deployment. We begin with foundational container concepts and Rails-specific requirements, then walk through writing step-by-step production configurations, and conclude with optimization and publishing strategies. This course is designed for web developers and DevOps beginners who want to containerize Rails applications, with no prior Docker experience required. Start building efficient production containers today.