# Fonts - Docker mod for firefox This mod adds font packages to firefox, to be installed/updated during container start. In firefox docker arguments, set an environment variable `DOCKER_MODS=linuxserver/mods:firefox-fonts` If adding multiple mods, enter them in an array separated by `|`, such as `DOCKER_MODS=linuxserver/mods:firefox-fonts|linuxserver/mods:firefox-mod2`