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
All documentation

Results for “sql”

6 / 28
01 / Start here Beginner → advanced

Developer learning roadmap

A practical order for learning programming, DSA, web development, databases, systems, testing, and production deployment.

roadmapstudybeginnercareer
02 / Web + frameworks Intermediate

Flask and Django frameworks

How Flask and Django organize Python web applications, where each fits, and the production concerns both frameworks share.

flaskdjangopythonframework
03 / Data + backend Intermediate

SQL, PostgreSQL, and Redis

Relational modeling, SQL queries, indexes, transactions, PostgreSQL production use, and Redis for shared ephemeral state.

sqlpostgresqlredisdatabase
04 / CodeDev system System reference

CodeDev system architecture

How the current CodeDev by Edward website is structured: Flask application factory, blueprints, templates, database, media storage, and public/admin boundaries.

codedevarchitectureflasksqlalchemy
05 / CodeDev system System reference

CodeDev database and data model

The current PostgreSQL/SQLAlchemy entities and the relationships that power projects, releases, media, leads, settings, analytics, users, and audit history.

codedevpostgresqlsqlalchemymodels
06 / CodeDev system System reference

CodeDev deployment and operations

Render/Docker production configuration, PostgreSQL, Cloudinary, Redis/Valkey, migrations, uptime monitoring, health checks, recovery, and deployment verification.

codedevrenderdockerdeployment