Best Practices for Multistage Dockerfiles
- Identify Build Stages: Analyze the application requirements and identify distinct build stages based on compilation, testing, packaging, and deployment.
- Minimize Dependencies: Install only the necessary dependencies and libraries in each build stage to keep the image size to a minimum.
- Optimize Layering: Utilize Docker’s layer caching mechanism to optimize layering and maximize build efficiency.
- Leverage Official Images: Whenever possible, leverage official Docker images as base images for your build stages to ensure reliability and security.
- Test and Iterate: Its great habit to Continuously test and iterate on your multistage Dockerfiles.
What is an Multistage Dockerfile?
Docker has revolutionized the world of software development and software deployment by simplifying the process of creating, distributing, and running applications within containers. This feature of Docker is very helpful for developers, so Among Docker’s sea of features, multistage Dockerfile stands out as a very powerful tool for optimizing the size and efficiency of container images Let’s get familiar with multistage Dockerfiles and add another tool to our journey with DevOps.