Comprehensive side-by-side technical comparison between Confluence / Slite and Outline.

version: "3"

services:
  outline:
    image: outlinewiki/outline:latest
    environment:
      - NODE_ENV=production
      - DATABASE_URL=postgres://outline:${DB_PASS:-outline_secret}@postgres:5432/outline
      - REDIS_URL=redis://redis:6379
      - SECRET_KEY=${SECRET_KEY:-generate_hex_64_bytes}
      - UTILS_SECRET=${UTILS_SECRET:-generate_hex_64_bytes}
      - URL=${URL:-http://localhost:3000}
      - PORT=3000
    ports:
      - "${SERVER_PORT:-3000}:3000"
    depends_on:
      - postgres
      - redis

  redis:
    image: redis:alpine
    restart: always

  postgres:
    image: postgres:15-alpine
    restart: always
    environment:
      - POSTGRES_USER=outline
      - POSTGRES_PASSWORD=${DB_PASS:-outline_secret}
      - POSTGRES_DB=outline
    volumes:
      - pgdata:/var/lib/postgresql/data

volumes:
  pgdata: