How Nextcloud is an integral part of the Privacy-First Stack supported by the MariaDB Foundation

Lightning talk presented at NextCloud Community Conference 2026 in Berlin

Transcript

1. How Nextcloud is an integral part of the Privacy-First Stack supported by the MariaDB Foundation Frédéric Descamps MariaDB Foundation Nextcloud Community Conference 2026 · Berlin 1 Copyright @ 2026 MariaDB Foundation.
2. “We care about privacy.” Good. But what does the architecture say? Files Where are they? Who controls them? Credentials Browser? Chat? Data Who operates it? Who can move it? credentialsfinal-v3? Privacy cannot depend on hoping that nothing goes wrong. 2 Copyright @ 2026 MariaDB Foundation.
3. Privacy is not a feature It is a stack built around three principles Separation Encryption Control Collaboration data and secrets do not belong in the same trust boundary. Sensitive information should stay protected throughout its lifecycle. You choose where the services run, where the data lives, and how it is governed. 3 Copyright @ 2026 MariaDB Foundation.
4. The Privacy-First Stack Nextcloud Passbolt Collaboration Secrets & credentials Files · Office · Calendar · Communication Passwords · API keys · Shared access ↓ ↓ MariaDB Server nextcloud DB passbolt DB separate databases · separate credentials · common operational control 4 Copyright @ 2026 MariaDB Foundation.
5. The Privacy-First Stack Nextcloud Passbolt Collaboration Secrets & credentials Files · Office · Calendar · Communication Passwords · API keys · Shared access One architecture. Clear responsibilities. No mandatory ↓ proprietary layer. ↓ MariaDB Server nextcloud DB passbolt DB separate databases · separate credentials · common operational control 4 Copyright @ 2026 MariaDB Foundation.
6. Why Nextcloud is integral Nextcloud is where people actually work It turns infrastructure sovereignty into user-facing sovereignty. • files and synchronization Without Nextcloud, we can build secure infrastructure. • document collaboration • calendars and contacts • communication and sharing • application ecosystem 5 Copyright @ 2026 MariaDB Foundation. With Nextcloud, people can actually live and collaborate inside it.
7. Open source is stronger when projects work together Nextcloud + Passbolt + MariaDB = A practical sovereign stack The MariaDB Foundation's role • make integrations and deployment patterns easier to discover • document how components can work together as a reference architecture • help move from a diagram to something people can actually deploy • strengthen collaboration between independent open-source projects 6 Copyright @ 2026 MariaDB Foundation.
8. Open source is stronger when projects work together Nextcloud + Passbolt + MariaDB = A practical sovereign stack Nextcloud is also a Silver Sponsor of MariaDB Foundation. The MariaDB Foundation's role • make integrations and deployment patterns easier to discover • document how components can work together as a reference architecture • help move from a diagram to something people can actually deploy • strengthen collaboration between independent open-source projects 6 Copyright @ 2026 MariaDB Foundation.
9. From reference architecture → deployable stack 1 2 3 Understand Try Deploy anywhere Architecture diagrams and clear separation of responsibilities. A Docker Compose example for Nextcloud + Passbolt + MariaDB. Terraform-based deployment without tying sovereignty to one cloud provider. Next: production guidance around hardening, HA, backup and disaster recovery. 7 Copyright @ 2026 MariaDB Foundation.
10. Privacy-first means choice Choice of software Choice of infrastructure Choice of where your data lives Nextcloud + Passbolt + MariaDB Server Open components that remain independent — and become stronger together. ecohub.mariadb.org/solution-stacks/privacy-first-stack Thank you! · @lefred 8 Copyright @ 2026 MariaDB Foundation.
11. Privacy-first means choice Choice of software Choice of infrastructure Choice of where your data lives Nextcloud + Passbolt + MariaDB Server Open components that remain independent — and become stronger together. ecohub.mariadb.org/solution-stacks/privacy-first-stack Thank you! · @lefred 8 Copyright @ 2026 MariaDB Foundation.