How to: Lab 2.2. Custom images
Although, we can also [create an image from a running container using `docker commit`](https://docs.docker.com/engine/reference/commandline/commit/), we will only focus on using a Dockerfile, which is the recommended method.

Build the below Dockerfile with `docker build -t $IMAGE_NAME:$TAG /path/to/Dockerfile/directory`, see `docker build --help

```Dockerfile