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Book Overview & Buying
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Table Of Contents
The Rust Programming Handbook
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We’ve set up Docker and learned some basic commands. Now, the core task is to create a Dockerfile. This special file is the recipe Docker uses to build an image containing your Rust application. It specifies everything from the base operating system and Rust toolchain to how your code should be compiled and how the final application should be run.
Once you have a Dockerfile, you can build a portable image that can be run consistently anywhere Docker is installed.
A Dockerfile (note the capitalization, with no file extension) is a simple text file that contains a sequence of instructions. Each instruction tells Docker how to build a layer of your image. When you run docker build, Docker reads these instructions, executes them one by one, and creates an image.
Think of a Dockerfile like a script for setting up an environment and installing/running your application, but in a standardized, reproducible...