MASTODON 3.5.X/4.1.x -- DEBIAN 11/12 -- LAN TEST INSTALLATION (NOT FOR PRODUCTION!)
# ln -s /usr/bin/yarnpkg /usr/local/bin/yarn
# apt install imagemagick ffmpeg libpq-dev libxml2-dev libxslt1-dev \
git-core g++ libprotobuf-dev protobuf-compiler pkg-config \
nodejs gcc autoconf bison build-essential libssl-dev \
libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev \
libffi-dev libgdbm-dev nginx redis-server redis-tools \
postgresql postgresql-contrib libidn11-dev libicu-dev \