The "How we built our platform" talk is so 2018. What you really care about are the details. We spill our secrets to develop services at scale with speed and safety. Our infrastructure ingredients, and tangible templates to takeaway. Key takeaways: - What software we needed to build (why we built it) - The philosophy and design of our platform - Lessons from production and how we all learn - Preventing peril, scaling with speed and safetly Ben is a Platform Engineer building tools and provisioning infrastructure for Deliveroo. Ping him about running containers in clouds, cluster schedulers and TCP corner cases.

1. Hidden Secrets
of the Deliveroo Application Platform
Ben Cordero (@bencord0)
Senior Software Engineer

2. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

3. Platform Overview
What is Infrastructure?

4. Hopper
Software Release Management

5. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

6. Create an application
Sets environment variables on the
CircleCI project:
- AWS_ACCESS_KEY_ID
- AWS_SECRET_ACCESS_KEY
- AWS_REGION
- AWS_ECR_REPO_URL
Registers the application
on Hopper
Creates a Docker container
registry on AWS

7. Example Templates

8. TF Run
https://docs.geopoiesis.io/

9. TF Apply

10. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

11. Markdown in a Git Repo

12. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming Load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

13. Scaling Past Service Limits

14. An example of scale

15. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming Load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

16. Autoscalers

17. Autoscaler Configuration

18. Today’s Menu
1
Platform Overview
Who am I?
What do I do?
How do we do it?
4
Consuming Load
Cluster schedulers and scaling services
2
Templates
Infrastructure à la carte
5
Autoscaling
Determining demand
3
Documentation
Markdown in a git repo
6
Rollback
For when it all goes horribly wrong

19. We deploy, a lot

20. Datadog Webhooks
https://app.datadoghq.com/account/settings#integrations/webhooks

21. Thank you!
We’re hiring!
Search for Production Engineer
https://careers.deliveroo.co.uk
Find us @DeliverooEng
https://deliveroo.engineering
https://www.meetup.com/Coding-and-Croissants-by-Deliveroo/