Nginx config for using LUA / Redis cache.

nginx.conf

location / {
  try_files $uri @redis_cache;
  add_header Source Files; # Handy for development
}

location @redis_cache {
  # Make sure this path is correct
  # Run "nginx -V" from the command prompt and look for --prefix=/path/to/somewhere
  # and place redis.lua there, or use an absolute path as shown below
  content_by_lua_file /path/to/your/config/redis.lua;
  error_page 404 503 = @writebox_upstream;
  add_header Source Redis; # Handy for development
}

location @writebox_upstream {
  proxy_set_header X-Forwarded-For  $proxy_add_x_forwarded_for;
  proxy_set_header Host             $http_host;
  proxy_set_header X-Remote-IP      $remote_addr;
  add_header Source Upstream; # Handy for development
  # ...... etc etc ........
}