Open Source at Zalando - OSB Open Source Day 2019
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Talk given at the OSB Open Source Day (https://osb-alliance.de/news/allgemein/open-source-day-2019-seien-sie-dabei) on 2019-11-07.
Open Source at Zalando - OSB Open Source Day 2019
- 1. OPEN SOURCE AT ZALANDO OSB OPEN SOURCE DAY 2019-11-07 HENNING JACOBS @try_except_
- 2. 2 ~ 5.4billion EUR revenue 2018 > 300 million visits per month ~ 14,000 employees in Europe > 80% of visits via mobile devices > 28 million active customers > 400,000 product choices > 2,000 brands 17 countries as of June 2019 ZALANDO AT A GLANCE
- 5. 5 HOME-BREWED SOFTWARE >1100 developers >200 development teams >2000 applications
- 6. 6 SINCE 2010 • Java (OpenJDK) • Apache Tomcat • PostgreSQL • Python
- 7. 7 OSS WE BUILD ON • Java (OpenJDK) • Apache Tomcat • PostgreSQL • Python • JS, Scala, Go, .. • Kubernetes
- 8. Most open source code can be used in Zalando projects, but everyone has a responsibility to ensure that we respect and comply with the licenses, and that we only adopt mature projects
- 10. 10 POSTGRESQL AT ZALANDO > 300 In on-premise data centers > 700 Databases on AWS/Kubernetes
- 11. 11 ✓ ✓✓✓✓ Cloud native technologies empower organizations to build and run scalable applications in modern, dynamic environments such as public, private, and hybrid clouds. CLOUD NATIVE
- 12. 108 Companies in the End User Community Plus 14 non-public members
- 13. 13 CONTRIBUTING UPSTREAM • We encourage contributions upstream • Don’t share confidential information • Code/non-code contributions: all sanctioned and encouraged as part of employment at Zalando • Only sign whitelisted CLAs
- 15. THERE IS A CULTURAL UNDERSTANDING AND APPRECIATION OF OPEN SOURCE WORK AT ZALANDO.
- 16. 16 PROJECTS
- 17. 17 PATRONI High-availability for PostgreSQL. Widely used in production github.com/zalando/patroni
- 18. 18 POSTGRES OPERATOR Application to manage PostgreSQL clusters on Kubernetes >500 clusters running on Kubernetes github.com/zalando/postgres-operator
- 19. Elasticsearch in Kubernetes Elasticsearch 2.500 vCPUs 1 TB RAM github.com/zalando-incubator/es-operator/
- 20. 20 EXTERNAL DNS Application to manage DNS records via Kubernetes objects Part of Kubernetes organization. 184 contributors github.com/kubernetes-sigs/external-dns
- 23. 23 KUBERNETES CLUSTER CONFIGURATION github.com/zalando-incubator/kubernetes-on-aws 47+ cluster components
- 24. 24 PRS ACROSS ZALANDO OSS REPOS
- 25. 25 OPEN SOURCE COMMUNITY AT ZALANDO OPEN SOURCE REVIEW GROUP DIVERSITY OPEN SOURCE GUILD SECURITY EMPLOYER BRANDING COMPLIANCE MANAGEMENT
- 27. 27 RELEASING OPEN SOURCE • Get sign-off by lead • Be compliant • Prepare your repository • Get reviewed
- 28. 28 BEING COMPLIANT • MIT license • Required files • GitHub.com workflow • Copyright and ownership
- 29. 29 GOOD PRACTICES • Code of Conduct • Clear expectations • Documentation • "good first issue" • Promote!
- 30. 30 WE WANT OUR OSS PROJECTS TO BE • High-quality • Well documented • Secure and compliant • Actively maintained • Beloved • Used by the broader community
- 31. 31 WHY RELEASE OPEN SOURCE? • Collaboration • Higher quality • Sustainability • Intrinsic motivation • Employer Branding
- 32. “Empowerment of individuals is a key part of what makes open source work, since in the end, innovations tend to come from small groups, not from large, structured efforts” Tim O’Reilly
- 33. 33 OPEN SOURCE & MORE Open Source at Zalando opensource.zalando.com More Zalando Tech Talks github.com/zalando/public-presentations