How to build a Dockerfile?

To build a Docker image from a Dockerfile, you can use the `docker build` command. Here are the general steps to build a Dockerfile: 1. Create a Dockerfile in your project direc…

How to use ARG and ENV in a Dockerfile?

To use `ARG` and `ENV` in a Dockerfile, you can follow these steps: 1. Define one or more `ARG` instructions to allow users to pass in variables at build-time using the `--build…

How to use labels in a Dockerfile?

To use labels in a Dockerfile, you can follow these steps: 1. Use the `LABEL` instruction to set one or more key-value pairs as metadata for the image. ``` LABEL maintainer="…

How to use environment variables in a Dockerfil…

To use environment variables in a Dockerfile, you can follow these steps: 1. Set the value of your environment variable using the `ENV` instruction in your Dockerfile. ``` EN…