Acknowledgement

We would like to express our gratitude to Dr. Đoàn Nhật Quang for providing us instruction and feedback during his supervision. We would also like to extend our sincere thanks to Dr. Trần Giang Sơn for his support with USTH ICTLab’s server that we used for testing our deployment.

We would also like to thank Philip Jones, the author and maintainer of the framework Quart, as well as the maintainers of RethinkDB for their timely technical support and bug fixes. The following organizations are also appreciated for providing their services free of charge:

• Matrix.org (instant messaging server)

• GitHub (code hosting and collaboration)

• SourceHut (automated CI/CD)

• PlantUML web server (diagrams generation)