n8n automates workflows and integrates with APIs. It relies on Postgres for persistence, Redis (DB 3) for queues, and exposes webhooks at https://n8n.bryanwank.com.【F:tools/compose.yml†L313-L368】
docker.n8n.io/n8nio/n8n:latestfrontend_net, db_netn8n_data:/home/node/.n8nunless-stoppedN8N_ENCRYPTION_KEY secret; changing it invalidates saved credentials.3 is available; other services use DB 1 (Authentik) and DB 2 (Paperless).