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Docker and Pharo @ZWEIDENKER
This document discusses how Docker and Pharo are used at a company to deploy and scale a mobility service application for Airbus across multiple servers. Key points: - Docker is used to package and deploy Pharo applications and their dependencies. Docker Swarm manages distributing containers across servers for scaling. - Ansible scripts orchestrate starting Docker containers for the Pharo applications, database, message queue and other services on Linux servers. - Monitoring of the distributed application and servers is done through Grafana dashboards and alerts. - The application has over 100 Pharo images running across three Docker Swarms for development, testing and production environments.
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Docker and Pharo @ZWEIDENKER
- 1.
- 2. We are⌠Pierre Chanson MarcusDenker Norbert Hartl
- 3. ⢠Founded in2009 (10 Year party next year!) ⢠13 people in Cologne (Germany) and Ho Chi Minh City (Vietnam) ⢠iPhone, Android, Web, Backend. Pharo! ⢠You might know the german Call A Bike or Flinkster Car Sharing.
- 4. This presentation ⢠Serverinfrastructure ⢠Application deployment, Monitoring ⢠WorkďŹow: following one commit step-by-step
- 5. The project ⢠Bigproject: mobility service for Airbus ⢠Need for scale: +10k users in a few hours timeframe ⢠Need not to be killed by complexity
- 6.
- 7. Iceberg Jenkins Docker HubDockerSwarm db Pharo Pharo Pharo Pharo Pharo Pharo Pharo
- 8. Regular day ofcoding at the oďŹceâŚ
- 9. Regular day ofcoding at the oďŹce⌠self ďŹag: #bob true become: false
- 10. Regular day ofcoding at the oďŹce⌠Gotta show this to my boss ! self ďŹag: #bob true become: false
- 11. Regular day ofcoding at the oďŹce⌠How ??? Gotta show this to my boss ! self ďŹag: #bob true become: false
- 12. Iceberg Jenkins Docker HubDockerSwarm db Pharo Pharo Pharo Pharo Pharo Pharo Pharo
- 13. Git commit Git push Pullrequest Review⌠âGood jobâ merge
- 14. Iceberg Jenkins Docker HubDockerSwarm db Pharo Pharo Pharo Pharo Pharo Pharo Pharo
- 15. Wassup ? (every10 mins) Alright, pull⨠run tests⨠docker âŚ
- 16. What is Docker? â˘Think about it as a Smalltalk image, but for Linux ⢠Docker Image is build from a description (DockerďŹle) ⢠Then we can run it (once or multiple times)
- 17. Wassup ? (every10 mins) Alright, pull⨠run tests⨠docker-compose build docker-compose push
- 18. Iceberg Jenkins Docker HubDockerSwarm db Pharo Pharo Pharo Pharo Pharo Pharo Pharo
- 19. Iceberg Jenkins Docker HubDockerSwarm db Pharo Pharo Pharo Pharo Pharo Pharo Pharo
- 20. Ansible: Orchestration ⢠Weneed to start lots of stuďŹ (Pharo, Webserver, MessageQueue, DatabaseâŚ) ⢠Ansible is a way to script typical unix admin things ⢠Both used to setup the Linux machines and to start Docker
- 21. ansible-playbook -i myInventorymyYml.yml (there is nothing worse than yaml!)
- 22. Iceberg Jenkins Docker HubDockerSwarm DB
- 23. Docker: Swarm ⢠Wewant to run on multiple machines ⢠Swarm allows to run âservicesâ which scale to multiple docker containers ⢠Manages Distribution, restartâŚ
- 24. Iceberg Jenkins Docker HubDockerSwarm DB
- 25. Monitoring ⢠Lots ofmachines (virtual and real) ⢠Lot of diďŹerent software (database, web, message queue, lots Pharo images) ⢠How do we look at it?
- 26. Monitoring ⢠Grafana â˘Dashboard ⢠Alarms: Get NotiďŹcations via Mail and in Slack ⢠Docker images provide data via REST API ⢠Pharo GC, Zinc Requests
- 28.
- 29. load balancer Physical servers API DBDB DB bikes bikes cars carsbuses trains buses API
- 30. And that x3 ⢠We have 3 Swarms: ⢠Alpha (development) ⢠Beta (testing) ⢠Production ⢠And you can run the whole setup on your laptop, too! +100 Pharo images overall in our cluster
- 31. Much more⌠Pharo Libraryfor Docker Swarm (work in progress)
- 32. Much more⌠⢠Lotsof in-house libs ⢠Visualise Docker Swarm with Roassal (ďŹrst work) ⢠Docker Health Check from Pharo ⢠Server for and Pharo app for Fuel Stack Traces ⢠DockerEngine + OpenAPI Tell us what you want to see at the Show Us Your Project !