Environment Setup

• Install Swift and Vapor
• Set up a new Vapor project

Database Integration

• Choose a database (e.g., PostgreSQL, MySQL)
• Integrate chosen database with Vapor
• Define user model and migration

User Registration & Authentication

• Create endpoints for user registration
• Implement password hashing and storage
• Create endpoints for user login
• Implement JWT (JSON Web Tokens) for user authentication

OAuth Integration (Optional, but common in services like Auth0)

• Integrate OAuth providers (like Google, Facebook, etc.)
• Create endpoints to handle OAuth authentication and callbacks

User Management

• Implement endpoints for user profile updates, password changes, and account deletion

Multi-factor Authentication (Optional, but enhances security)

• Integrate an SMS or email provider for sending verification codes
• Create endpoints to handle MFA setup and verification

Rate Limiting & Security Measures

• Implement rate limiting to prevent abuse
• Add other security measures (e.g., checking for suspicious activities, IP-based bans)

API Documentation & Testing

• Write documentation for your API
• Write tests for your endpoints

Deployment & Scaling

• Choose a hosting provider
• Deploy your application
• Consider load balancing and other scaling strategies

Maintenance & Monitoring

• Set up monitoring tools to track usage and catch errors
• Regularly update dependencies and check for security vulnerabilities