nginx-luaAdd response header with Lua

server {
  location / {
    content_by_lua_block {
      ngx.header["X-Example"] = 'onelinerhub-example'
    }
  }
}ctrl + cyoutubegithub

`content_by_lua_block` nginx-lua module directive to specify block of Lua code	`ngx.header` allows to set response headers
`X-Example` sample header to set	`onelinerhub-example` sample value to set (online example)