Backend

  https://www.dotnetcoban.com/2020/04/popular-knowedge-and-good-libraries.html

  https://viblo.asia/p/json-web-token-hay-session-cookies-dau-moi-la-chan-ai-Qbq5Q0oJlD8

  https://medium.com/@prashant.n.khunt/ways-to-delete-documents-from-elasticsearch-a490195f794  

https://bizflycloud.vn/tin-tuc/top-10-phan-mem-can-bang-tai-load-balancer-ma-nguon-mo-tot-nhat-nam-2022-202205161711293.htm

Redis Server https://redis.io/docs/getting-started/installation/install-redis-on-windows/ Redis Desktop Manager https://grayguide.net/quan-ly-redis-bang-redis-desktop-manager-redis-gui   Install Redis on WSL https://kontext.tech/article/618/install-redis-on-wsl  

https://gpcoder.com/5825-tim-hieu-ve-xac-thuc-va-phan-quyen-trong-ung-dung/

  https://vantien.net/lap-trinh/so-sanh-json-web-token-va-session-cookies-trong-viec-authentication/

  https://stackoverflow.com/questions/39591675/ffmpeg-add-semi-transparent-watermarkpng-with-different-size

  https://completejavascript.com/huong-dan-tim-hieu-ffmpeg-co-ban/#:~:text=FFmpeg%20cung%20c%E1%BA%A5p%20s%E1%BA%B5n%20cho,%2C%20ffserver%2C%20ffplay%20v%C3%A0%20ffprobe.&text=Ti%E1%BB%87n%20%C3%ADch%20d%E1%BB%B1a%20tr%C3%AAn%20command,nhi%E1%BB%81u%20%C4%91%E1%BB%8Bnh%20d%E1%BA%A1ng%20kh%C3%A1c%20nhau).&text=M%E1%BB%99t%20ch%C6%B0%C6%A1ng%20tr%C3%ACnh%20%C4%91%C6%A1n%20gi%E1%BA%A3n%20gi%C3%BAp%20ph%C3%A2n%20t%C3%ADch%20vi%E1%BB%87c,t%E1%BB%87p%20tin%20%C4%91a%20ph%C6%B0%C6%A1ng%20ti%E1%BB%87n.

  https://genk.vn/nghe-nhieu-nhung-ban-da-hieu-ve-caching-mot-ki-thuat-pho-bien-de-tang-hieu-nang-may-tinh-2021051622092888.chn