Dockerfile Instructions Explained
Dockerfile is a text doc with build instructions for Docker images. It's composed of read-only layers, each layer corresponding to an instruction like FROM, LABEL, or RUN. Docker automatically creates images by interpreting these instructions.
Dockerfiles and Docker Images
A Dockerfile is a text document containing instructions to build Docker images. These images consist of read-only layers, each layer corresponding to a Dockerfile instruction. Docker can automatically create images by interpreting these instructions. The following command is used to build an image from a Dockerfile:
docker build -f <dockerfile_path>
Dockerfile Instructions
1. FROM
The FROM instruction initializes a new build stage and sets the base image for subsequent instructions. A valid Dockerfile must begin with a...