Out of all of these options, which Node.js Docker image is ideal for you? They range from the official Node.js Docker image that is maintained by the core Node.js team, to the specific Node.js image tags that you could choose from within that particular Docker base image, and even other options such as building your Node.js application on top of Google’s distroless project, or a bare bones scratch image provided by the Docker team. There are actually quite a few options you could go for when building your Node.js image. I have previously outlined and provided a step-by-step guide on 10 best practices to containerize Node.js web applications with Docker, which builds on and improves the example to achieve a production-ready Node.js Docker image.įor this post, we’ll use the contrived example above as the contents of a Dockerfile in order to find an ideal Node.js Docker image. The following is an example of a Node.js Dockerfile that is typically given as a reference in Node.js Docker image tutorials and blog posts - but this Dockerfile is highly flawed and not recommended: FROM node This is even more true if you’re unaware of the overall security risks and sheer file size they introduce to a CI/CD pipeline. It can be easy to miss the potential risks of using FROM node:latest, or just FROM node(which is an alias for the former). So, how do you choose the best Node.js Docker image? Octo– This post has been updated to better explain the comparison of Node.js Alpine Linux images with other Node.js container images for production usage.Ĭhoosing a Node.js Docker image may seem like a small thing, but image sizes and potential vulnerabilities can have dramatic effects on your CI/CD pipeline and security posture.
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