private static void insertValue(StringBuilder content, String key, String pem) {
        Matcher matcher = Pattern.compile(key, Pattern.MULTILINE).matcher(content);
        if (matcher.find()) {
            content.insert(matcher.end(), pem);
        } else {
            throw new IllegalArgumentException("Can't find .env key " + key);
        }
    }
Set up docker-compose project.

Run as `jbang setup.java`.

@author Marc Savy {@literal <marc@blackparrotlabs.io>}
containers/docker-compose/src/docker/setup.java