nginx-1.17.9

Changes with nginx 1.17.9                                        03 Mar 2020

    *) Change: now nginx does not allow several "Host" request header lines.

    *) Bugfix: nginx ignored additional "Transfer-Encoding" request header
       lines.

    *) Bugfix: socket leak when using HTTP/2.

    *) Bugfix: a segmentation fault might occur in a worker process if OCSP
       stapling was used.

    *) Bugfix: in the ngx_http_mp4_module.

    *) Bugfix: nginx used status code 494 instead of 400 if errors with code
       494 were redirected with the "error_page" directive.

    *) Bugfix: socket leak when using subrequests in the njs module and the
       "aio" directive.

v1.17.8: Merge pull request #1 from bethinkpl/master

Update nginx+alpine versions