Chapter 23: Application Programming Interfaces (APIs) (v0.23)

Chapter 22: Background Jobs (v0.22)

Chapter 21: User Notifications (v0.21)

Chapter 20: Some JavaScript Magic (v0.20)

Chapter 19: Deployment on Docker Containers (v0.19)

Chapter 18: Deployment on Heroku (v0.18)

Chapter 17: Deployment on Linux (v0.17)

Chapter 16: Full-Text Search (v0.16)

Chapter 15: A Better Application Structure (v0.15)

Chapter 14: Ajax (v0.14)