Choose Necessary Technology

Requirements: (SRS - Software Requirement Specification)

Sample : http://itest.sourceforge.net/documentation/developer/Software_Requirements_Specification-iTest.pdf

Google Docs, Microsoft Office, Notion
Draw.io (https://app.diagrams.net/), Lucid Chart (paid)

Requirement Analysis & Design:

System Design
- Architectural Decision
  - Monolithic (Layered)
    - Easy to develop, but very complex to maintain when application grows
  - Microservice
    - Very hard to develop, but easy to maintain
  - Server less (FAAS - Function as a service)
- Select Database
  - SQL
    - PostgreSQL
    - MySQL
  - NoSQL
    - MongoDB
    - Cassandra
  - Key value
    - Redis
    - DynamoDB
  - Graph Database
    - Neo4j
  - Search Database
    - Elastic Search (Open source - Full Text Search)
    - Algolia Search (Open AI 3 - Natural Language Processing)
Software Architecture
- OOP
- OOP Design Pattern & Principles
- DSA
- Clean Code Architecture
- Problem Solving
Testing
- Test Driven Development
- E2E (End to End)
Distribution
- DevOps
  - Continuous
    - Git & Github
    - Linux, SSH - Secure Shell HomePage
    - Circle CI, Travis CI, Jenkins
    - Docker, Docker Compose
    - Docker Swarm, Kubernetes
    - Prometheus, Nagios
    - Ansible
- Cloud Engineering
Maintenance

Our Decision for PS Caffe:

Architecture: Monolithic
Database - NoSQL (MongoDB Atlas)
Backend - NodeJS (Express, Hapi, Fastify) (MVC)

Steps:

Requirements
Design
Implementation
- UI/UX Design
- Web Design
- Frontend Development
- Backend Development
- Test Code
Testing, Deployment
Maintenance