Moving this here until a better place for this to live in.
- Bernardo Heynemann wrote an article detailing this at Scaling Thumbor;
- Yipit has detailed how they scale thumbor at their engineering blog;
- Square also posted at their engineering blog about how they generate dynamic images with thumbor;
- 99 Designs also has some info on their architecture using thumbor and amazon at their engineering blog.
- heycar also has some info on their architecture using thumbor on with CloudFront and Kubernetes at their engineering blog.