CodeDev knowledge system / 28 chapters

DOCUMENT
THE WHOLE
SYSTEM.

A practical reference for programming, DSA, frameworks, databases, APIs, Linux, networking, testing, security, deployment, and the architecture behind CodeDev itself.

Chapters28Structured references

Sections7Learning areas

Code36Runnable examples

SystemLIVECodeDev architecture reference

Systems + delivery

Choose a chapter.

4 / 28

01 / Systems + delivery Beginner → intermediate

Git and GitHub workflow

Commits, branches, pull requests, merge strategy, CI checks, and a clean release workflow.

gitgithubbranchpull-request

02 / Systems + delivery Intermediate

Linux, networking, and Docker

Linux service basics, permissions, ports, IP addressing, sockets, reverse proxies, containers, and deployment troubleshooting.

linuxnetworkingdockerports

03 / Systems + delivery Intermediate

Testing and debugging

Unit, integration, regression, security, migration, and deployment tests plus a systematic debugging method.

testingpytestdebuggingregression

04 / Systems + delivery Intermediate → advanced

Application security essentials

Authentication, authorization, password hashing, MFA, CSRF, XSS, CSP, rate limiting, secrets, uploads, and secure production defaults.

securitycsrfxssmfa

Production reference

HOW CODEDEV
ACTUALLY WORKS.

01CodeDev system architecture↗ 02CodeDev database and data model↗ 03CodeDev authentication and Superadmin security↗ 04CodeDev Superadmin, media, and analytics↗ 05CodeDev deployment and operations↗