Foundation 100

- HTTP
- REST APIs
- Authentication
- JWT Authentication
- Authorization
- Password Hashing
- CRUD Operations
- Request Validation
- Error Handling
- Environment Variables
- Relational Databases
- PostgreSQL
- SQL Fundamentals
- Database Tables
- Primary Keys
- Foreign Keys
- Database Relationships
- Prisma ORM
- Prisma Migrations
- Prisma Client
- Unit Testing
- Jest
- Mocking
- Integration Testing
- End-to-End Testing
- Test Coverage
- Linting
- Static Analysis
- Debugging
- Code Reviews
- Git Basics
- Branching
- Merge
- Rebase
- Conflict Resolution
- Semantic Commits
- Pull Requests
- GitHub Workflow
- Code Ownership
- Release Versioning
- Docker
- Docker Compose
- Build Pipelines
- CI/CD
- Environment Configuration
- Secrets Management
- Reverse Proxy
- Deployment Strategies
- Monitoring
- Centralized Logging
- SOLID Principles
- Design Patterns
- Layered Architecture
- Clean Architecture
- Domain Modeling
- System Design Basics
- Scalability
- Performance
- Security Principles
- Technical Debt

Concept

Validation

2 topics cover Validation across the Foundation 100.

Module 1 · Web Fundamentals

intermediate2 min read

Request Validation

Checking that incoming data has the expected shape and content before acting on it, so bad input is rejected early with a clear error.

Module 4 · API Design & Backend Patterns

intermediate2 min read

DTOs

Data Transfer Objects define the exact shape of data crossing an API boundary, giving each request and response an explicit, validated contract.

Projects using Validation

Practice Validation on real Padlor projects — coming soon.