# How to build and use these images

## Prerequisites

* [buildah](https://buildah.io/)
* {podman](https://podman.io/)

## Build and upload

Run `build.sh` with the required parameters:

* `-r`: Registry to upload to; set to `none` to skip uploading
* `-u`: Username for registry (optional if previous cached login exists)
* `-p`: Passwort for registry (optional if previous cached login exists)
* `-b`: Image basename (optional; defaults to `exim-encrypt-dlfunc-build`)
* `-t`: Image tag (optional, defaults to `latest`)