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n8n & Otomasyon 23 July 2026 · 5 min read

Self-Hosting n8n and Data Protection Compliance

What running n8n on your own infrastructure requires and the data protection advantage.

n8n Self-hosting Data protection Security

Automation flows usually carry personal data: customer names, phone numbers, addresses, order details. Which server in which country that data passes through has direct consequences under Turkey's data protection law.

01. What Self-Hosting Gives You

Data is processed on your own servers, no cross-border transfer occurs, and the requirement for explicit consent or an undertaking disappears. It's also a structure that's easy to describe in a privacy notice.

02. Installation Requirements

Bringing it up with Docker is the common method. You need PostgreSQL for persistent data, an externally reachable address for flow triggers, and a TLS certificate. A single server is enough at small scale.

03. Authentication

Don't leave the interface open. An enterprise installation should be configured with SSO authentication, per-user permissions and flow-level access separation.

04. Credential Management

Flows carry API keys and passwords. These should not be embedded in the flow but held in the credential store, and the encryption key must be backed up. Lose the key and every connection has to be rebuilt.

05. Backups

Flow definitions and execution history live in the database. If the database isn't backed up, months of work disappear with a single server failure.

06. Monitoring and Logs

Failed executions should be reported to a channel. Retention for logs containing personal data should also be limited; keeping logs indefinitely is a separate compliance risk.

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