Understand how HTTP requests flow through the framework

Learn how URLs map to controllers

Filter requests before they reach controllers

User login, sessions, and password security

Secure database operations and SQL injection prevention

Persist data across requests with sessions and flash data

Understand containers, images, and core Docker CLI commands

Write a production-style Dockerfile for DALT.PHP step by step

Orchestrate PHP, PostgreSQL, and Nginx as one stack with a single command

Connect to a real Postgres instance, write raw SQL, and understand DALT's database layer

JOINs, aggregations, indexes, transactions, and constraints — everything you need for real database work.

How DALT's query methods map to PDO, writing paginated endpoints, and handling transactions from PHP.

Multi-stage builds, health checks, service-healthy depends_on, volume backups, and .dockerignore — shrink your image and make your stack reliable.

Window functions, CTEs, JSONB storage and querying, full-text search with tsvector, and how to apply each in DALT.PHP controllers.

Moving passwords out of compose files with Docker secrets, using restart policies, setting resource limits, and configuring PgBouncer.

Backups, restore processes, migrations as code, and handling failed migrations.

Row-Level Security (RLS) for multi-tenancy, range partitioning for massive tables, and pg_cron for scheduled tasks inside the database.

If you can't see it, you can't fix it. Learn how to use pg_stat_statements to find slow queries and add indexes where they are needed.