Glossary term
What is Dockerfile? Meaning for developers
In DevOps
The text file of instructions Docker follows to build an image.
Learn it properly · DevOpsLesson 9: Docker: Containerize Your Next.js and Node AppImages, layers, Dockerfiles and Compose — build once, run the same thing on your laptop and on EC2.In Docker & Kubernetes
A text file of instructions that tells Docker how to build an image, layer by layer.
Learn it properly · Docker & KubernetesLesson 1: Writing a Dockerfile: Layers, Caching and Small ImagesInstruction by instruction, layer caching, multi-stage builds, base image choice, .dockerignore, and a Node app image built the right way.