1. Infra
1.1. Azure
1.1.1. S3
1.1.2. EC2
1.2. Monitoring
1.2.1. Munin
1.2.1.1. https://instagram-engineering.com/what-powers-instagram-hundreds-of-instances-dozens-of-technologies-adf2e22da2ad
1.2.2. Pingdom
1.2.3. Sentry
1.3. CDN
1.3.1. CloudFlare
1.4. Cache
1.4.1. Redis + Memcache
1.5. OS
1.5.1. CentOS
1.6. Load Balancing
1.6.1. Stateless
1.6.2. Docker
2. Backend
2.1. MySQL
2.2. Java
3. Frontend
3.1. React JS
3.1.1. ant.design
3.2. Flux
3.3. Webpack
3.4. Bootstrap
4. App
4.1. Notification
4.1.1. pyapns
4.1.1.1. https://github.com/samuraisam/pyapns
4.2. React Native
5. CI/CD
5.1. Unit Test
5.1.1. Jest
5.1.2. Enzyme
5.2. Automation Test
5.3. SonarQube
5.4. Github + Zenhub
5.5. TDD
6. Code quality
6.1. Standard
6.1.1. SOLID
6.1.1.1. https://toidicodedao.com/2015/03/24/solid-la-gi-ap-dung-cac-nguyen-ly-solid-de-tro-thanh-lap-trinh-vien-code-cung/
6.1.2. Design Pattern
6.1.3. Clean Code
6.2. Assurance
6.2.1. Husky
6.2.2. SonarQube
6.2.3. Prettier
7. Speed
7.1. Google Page Speed
7.1.1. Màu xanh lá cây cho home page
7.2. Trải nghiệm trực tiếp
7.2.1. Cảm giác nhanh
7.2.2. Cái bài viết dài, nhiều ảnh, nhúng instagram
7.2.2.1. https://stmcosme-senka.com/stembeaute/
8. SEO
8.1. Web.dev
8.1.1. Phải có màu xanh
9. Language
9.1. redux-i18n
9.1.1. Tiếng Nhật
9.1.2. Tiếng Anh