The tutorial provides a comprehensive guide for software engineers to Dockerize and deploy a Golang API project to an Azure container instance while ensuring consistent performance across various environments. It addresses the "it works on my machine" problem by using Docker containers, which package an application and its dependencies into a portable image. The process begins with building a Docker container image from an existing Golang project, which is then pushed to the Azure Container Registry. The tutorial further details setting up an Azure web app linked to the container image, enabling continuous deployment to ensure automatic updates with each change. Additionally, it guides on creating a CI/CD pipeline using CircleCI to automate testing and deployment processes. Prerequisites include basic knowledge of Go, Docker, Microsoft Azure, CircleCI, and GitHub. The tutorial also highlights setting up a GitHub repository, linking it with CircleCI, and resolving credential issues to ensure successful project deployment.