OTF Postgres

## Overview Shared Postgres instance for Optimified's Railway services. Used by n8n, Mattermost, and Umami. ## Infrastructure - **Platform:** Railway - **Railway Project:** otf-n8n-mattermost-umami - **Consumers:** n8n (primary + worker), Mattermost, Umami ## Environment Variables | Variable | Purpose | |----------|---------| | `DATABASE_PUBLIC_URL` | Public connection URL | | `DATABASE_URL` | Internal connection URL | | `PGDATA` | Data directory path | | `PGDATABASE` | Default database name | | `PGHOST` | Internal hostname | | `PGPASSWORD` | Auth password | | `PGPORT` | Port | | `PGUSER` | Auth user | | `POSTGRES_DB` | Database name (init) | | `POSTGRES_PASSWORD` | Password (init) | | `POSTGRES_USER` | User (init) | | `RAILWAY_DEPLOYMENT_DRAINING_SECONDS` | Graceful shutdown timeout | | `SSL_CERT_DAYS` | SSL certificate validity period |