Primitive daemon, which listens on port 80 and replies with http redirect Requires luasocket and luadaemon

redir.lua

-- HTTP redirect daemon

local port = 80
local redir = "HTTP/1.0 301 Moved Permanently\nLocation: https://example.org/\n\n"

local socket = require("socket")
local daemon = require("daemon")

daemon.daemonize()
local server = assert(socket.bind("*", port))

while true do
  local client = server:accept()
  client:settimeout(10)
  local line, err
  repeat
    line, err = client:receive()
    if not err and line:len() == 0 then
      client:send(redir)
      line = false
    end
  until not line
  client:close()
end