Create email-based OSINT app on Build Lab2, like MOSINT. Include social media checks, data breach detection, DNS/IP lookups. Containerize for cloud deploy. Steps: 1. Init project: Build Lab2, techs: Go (backend), Docker. 2. Configure APIs/services, use env vars for API keys. 3. Backend: Write logic for email scan, add error handling, logging, sessions. 4. Frontend: User input, display scan results, use modern frameworks (React/Vue.js). 5. Docker: Create Dockerfile, optimize for cloud deploy. 6. Deploy: Set up CI/CD, automate tests, add rollbacks, monitoring. 7. Security: Implement secure storage, audits, encryption. 8. Testing: Write unit/integration tests, include in CI/CD. 9. Docs: Document setup, deploy, troubleshooting, support.