Technical stack (Front-end)
Patient mobile application
Proposed Tech Stack
Technologies
React Native
Component/theme are based on Google Material Design for Android and iOS style for iOS devices
Recommended End-user requirements
iOS 12 or newer
Android 6.1 or newer (ref: https://gs.statcounter.com/android-version-market-share/mobile-tablet/viet-nam )
Benefits
Chosen technologies are all rooted in free Open Source projects
The components are popular and widely used in Android and iOS
Support wide range of mobile versions, maximizing the reach and usability of the app
Choosing React Native means that the system can be developed and compiled for both iOS and Android instead of built separately, reducing costs for HI
Mobile App Framework
Technologies
React Native
Benefits
Free Open Source
Proven success and long-term sustainability. React Native is being used world wide by many huge brands.
Created by Facebook, adopted and supported by huge community
Easy to learn for software developers meaning it is easy to find software companies to further develop and scale the solution
Third Party Applications
While the final list of 3rd-parties to be used will be finalized during the project planning phase, we can highlight a few below:
Commonly used NPM packages which adds more functionality to React Native.
Rocket Chat for online messaging, audio and video conference
Our approach is to speed up the development process, and avoid re-inventing the wheel. By using free open source projects like popular packages in NPM and messaging tool like Rocket Chat, the final product will be built with simple, easy to maintain code which doesn't have a risk to become obsolete in the short-term.
Therapist web application and Administrator web application
Client Side
The client side means to be the look and appearances of the app which will be seen and used by the users. This will be developed independent of the the server side and will be communicated via API. This is a part of micro-services as stated above.
Technologies
ReactJS
Google Material Design
Benefits
All are free open source
Modern (HTML5, CSS3, JSX support)
Having loose coupling between client and server, the Therapist web application is interoperability ready. HI could add more clients such as a mobile app for therapists, or for exchanging data with with other partner organizations.
Server Side
As stated in the client side section, the server is to be developed as independent system and as part of the micro-services. This will make the Therapist web app a very versatile system which satisfies HI's requirements for scalability. For instance, HI can develop a mobile app for the Therapists which connects to the online system without further development work on the server side.
This will greatly reduce the risk of server failure if there is any bug/issue in the client side or vice versa.
Technologies
Laravel framework for API
Zuul for API Gateway
Keycloak for Identity and Access Management
Swagger for API documentation
Benefits
All are free open source and popular for enterprise-class software development
Robust in terms of reliability and security
Widely known by software developers and easy to find software suppliers for future maintenance or enhancements
Technical stack (Back-end)
Item | Technology | Comment |
|---|---|---|
Item | Technology | Comment |
Hosting |  | Amazon Web Services (AWS) provides a wide range of services with option to upscale the match with the peak demands.
Experience: Web Essentials has implemented AWS for both national projects in Cambodia and enterprise customers in Europe (cf. Case Study). |
Operating system and webserver |  | Many operation services we proposed (database, firewall, never-proxy, ...) are available as SaaS and operating system is not needed. In case we added extra services which requires OS, our default and preferred OS is Ubuntu which has been used worldwide. |
Programming language and framework | PHP Laravel Framework  | We have implemented multiple successful Laravel projects for governments and NGOs, including the multilateral health-related solution IDPoor - please see the references in the "Qualifications of the Service Provider" as part of this proposal |
Database | Maria DB  | Our chosen database for this project is MariaDB, however we are flexible in the final choice. A high-level comparison of the two solutions: MariaDB: open-source, well-maintained by community, frequent security fixes MySQL: open-source but maintained by Oracle which increases dependency |
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