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nginx-luaHow to return file for download


server {
  location / {
    content_by_lua_block {
      ngx.header["Content-type"] = 'text/csv'
      ngx.header["Content-Disposition"] = 'attachment; filename="test.csv"'
      ngx.say("1,2,3")
    }
  }
}ctrl + c
content_by_lua_block

nginx-lua module directive to specify block of Lua code

ngx.header

allows to set response headers

Content-type

response header to set

Content-Disposition

this header will force content download instead of output to browser

test.csv

this file name will be used for download

ngx.say

output given text to client

"1,2,3"

example content for download