# prosodyctl install mod_rest
Installing mod_rest in /var/lib/prosody/custom_plugins
Error: Failed finding Lua header files. You may need to install them or configure LUA_INCDIR.
Lua header files should not be needed to install pure Lua libraries like most modules.
Prosody trunk nightly build 1581 (2021-12-27, 0d8e6646ce42)
And Lua header files and other compiler stuff should not need to be installed on a server
luarocks version 3.7.0
luarocks package of unclear origin...
Seems to have been "fixed" by having a hard dependency on liblua-dev, but it still seems unnecessary for installing pure Lua rocks.