Docker Compose

Running databases on a home lab Raspberry Pi is fine — until the SD card dies and you realize you had no consistent backups. This guide walks through a production-grade backup pipeline using Backrest, Restic, and Rclone, with pre-backup hooks that dump PostgreSQL and MongoDB before the snapshot even starts.

This guide shows a clean, reliable way to run n8n on a Raspberry Pi 4 using Docker Compose. 📝 Note: I want to use this setup primarily for AI workflows (transcription, summarization, RAG, content drafting). What is n8n? n8n is an open‑source, self‑hostable workflow automation tool. You build automations by connecting nodes in a visual editor: Triggers like webhooks, schedules/cron, IMAP, polling start a workflow; you transform data, branch logic, handle errors, and call services/APIs or databases. ...