What are multi-stage builds in Docker?

What are multi-stage builds in Docker?

Multi-stage builds allow you to use multiple FROM statements in your Dockerfile, enabling you to create smaller images.

How do I set up a multi-stage build?

You start by defining multiple stages in your Dockerfile, each with its own base image and instructions.

Can you give me an example of a multi-stage build?

Sure! Here's a simple example: you can use a builder image to compile your application and then copy the output to a smaller runtime image.

What are the benefits of using multi-stage builds?

The main benefits are reduced image size, improved build times, and better separation of build and runtime environments.