This repo contains my work and study on backend development as well as some MLOps

1. Python library packaging: from a notebook to production-ready code

• My notes on some production code pricinples
• skills used: build, pytest, data & model pipelines, tox, versioning, and typing, etc.

2. containers

• My sample codes on both Docker and Kubernetes

3. Typescript

• My practice on Typescript, including basic and advanced features
• Also, I have a mini-template for backend scripts connecting API functions to a database:

  • Entities → TypeORM models mapping to DB tables.

  • Controllers → Business logic (CRUD, validation, error handling).

  • Routers → Express routes mapping endpoints to controllers.

  • Database Config → DataSource setup for PostgreSQL.

  • Index → Entry point that wires everything together.

4. API 4.1 Some study notes on the intro of REST API and JavaScript

4.2 node.js, Express.js

• notes
• Use node.js for simple web REACT design
• Use express.js for a nested API snippet

4.3 Flask

• a simple use case of GET & POST on a local db with flask
• an advanced version of the simple use case, including docker,data schema and blueprint

4.4 Terraform study notes , including basic commands, functions, modules, and AWS templates (S3, EC2, sagemaker, and dynomoDB)