Overview
Multi-stage builds in Docker allow you to create smaller and more efficient images by using multiple stages in your Dockerfile. Each stage can have its own base image and dependencies, which helps in separating the build environment from the final runtime environment. This approach not only reduces the image size but also improves security and speeds up deployment. Understanding multi-stage builds is essential for optimizing your Docker workflows.
📚 Key Learning Objectives
- ✓ Explain the concept of multi-stage builds in Docker.
- ✓ Identify the benefits of using multi-stage builds.
- ✓ Create a simple Dockerfile with multiple stages.
- ✓ Optimize an existing Docker image using multi-stage builds.
- ✓ Deploy a multi-stage build to a container registry.
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