Build your own Heroku

Application deployment is still a big issue in 2013. This is one approach to how we can make it better.

Transcript

1. @HARRYMARR BUILD YOUR OWN HEROKU GOCARDLESS
3. Components of a deploy •Push code to servers •Compile/build •Install app dependencies
4. System dependencies •libxml2, libpq •Chef & Puppet
5. Rails 2 Rails 3 Dependency Conflict
6. How do we.... •Get from zero to up and running •Replicate in staging •Replicate in testing •Replicate in local
7. HEROKU! we can use
8. BUT... •No custom packages •Sensitive data •Variable performance •$$$
9. Let’s build our own Heroku •Pull latest version of code •Run the build exactly once •Needs to be fast
11. Docker •Easy to build & run containers •Containers are essentially virtual machines
12. What a deploy with Docker looks like •Build a container from an image of our app
13. What a deploy with Docker looks like •Deploy from dev environment to Github
14. What a deploy with Docker looks like •Take a snapshot & create a new image which contains: ✓ App code ✓ Dependencies ✓ Config
15. What a deploy with Docker looks like •Send our image to the Docker registry •Pull down the image from all our servers •Switch load balancers to serve new image
16. Suit to your needs •Custom CI process •Mirror your production env exactly
17. We’re doing this @gocardless •Built a prototype •Quick to get up & running •Replicating staging •Not in production, yet
18. We’re hiring
19. @HARRYMARR THANKS!