Docker and Rails: Running Ruby on Rails with Docker
Blog post from Earthly
The article provides a comprehensive tutorial on Dockerizing Ruby on Rails applications, focusing on the benefits of using Docker to standardize development environments across teams. It explains the process of creating a Docker image using a Dockerfile, highlights best practices such as employing Alpine base images to reduce image size, and demonstrates multistage builds to further optimize image efficiency. Additionally, it covers the use of Docker Compose for managing multiple containers, including setting up a PostgreSQL database container and connecting it to the Rails application. The article also introduces Earthly, a tool that enhances the Dockerization process by facilitating parallel builds and optimizing cache usage, drawing on concepts from both Makefiles and Dockerfiles for improved build efficiency.
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