![]() The result: instead of having to spend lots of time waiting, your code-test-debug loop is almost instantaneous.Įxample: Using Host Volumes and Nodemon In Node.Js Docker Development ![]() And as you will see in the next section, you can use the nodemon package to automatically restart your application without having to rebuild the container – a technique known as “live reloading.” If you use a host volume to mount the code you’re working on into a container, any edits you make to your code on your laptop will automatically appear in the container. Host volumes sync file changes between a local host folder and a container folder. The trick is to use a Docker host volume. And it’s hard to stay in the flow.īut there’s a way to change a container’s code without having to rebuild it. With many Node.js applications, this can chew up a lot of time.Īs a result, you end up with a development workflow that looks like this:Īnd if you have CI/CD and are continually running your code through automated tests? You’re going to be spending even more time waiting for the container to rebuild. One of the irritating things about testing during development with Docker is that whenever you change your code, you have to wait for the container to rebuild. How Host Volumes and Nodemon Can Speed Up Your Node.js Development In this article, we’ll show a tutorial and example on how you can use Docker’s host volumes and nodemon to code faster and radically reduce the time you spend testing. The main culprit: the process for testing your code in development. ![]() But developing a Node.js Docker application can be slow and clunky. Docker has revolutionized how Node.js developers create and deploy applications.
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