1. Elixir Refresh
  2. Module
  3. Basic Types
  4. Sigils
  5. Date and Time
  6. Anonymous Functions
  7. Pipe Operator
  8. Collections
  9. Pattern Matching
  10. Error Handling
  11. Polymorphism
  12. Macros
  13. Spec
  14. Hex
  15. Phoenix
  16. Routing
  17. Controller
  18. View
  19. Context
  20. Schema
  21. Ecto
  22. Channels
  23. LiveView
  24. Debugging
  25. Testing
  26. Deployment