Productivitydocker-ready1-click-deploy
Outline: the best Open Source alternative to Confluence in 2026
Outline is a fast, well-designed team knowledge wiki, with real-time collaborative editing, instant search and a clear collection structure.
Technical profile
- License
- BUSL-1.1
- Category
- Productivity
- Replaces
- Confluence, Notion
- Tech stack
- Node.jsReactPostgreSQLRedis
Preview

Public image provided by Outline on its own website.
Key features
- Real-time collaborative editing
- Instant search
- Collections and team permissions
Outline vs. Confluence
Pros
- Very polished interface, fast team adoption
Things to consider
- BUSL-1.1 license restricts offering it as a competing SaaS
Quick Docker installation guide
Copy this docker-compose.yml, adjust the example passwords and run docker compose up -d on your server. See the full step-by-step guide →
docker-compose.yml
version: "3.9"
services:
outline:
image: outlinewiki/outline:latest
restart: unless-stopped
ports:
- "3000:3000"
environment:
- SECRET_KEY=change-me-super-secret
- DATABASE_URL=postgres://outline:outline@outline-db:5432/outline
- REDIS_URL=redis://outline-redis:6379
- URL=http://localhost:3000
depends_on:
- outline-db
- outline-redis
outline-db:
image: postgres:15-alpine
restart: unless-stopped
environment:
- POSTGRES_USER=outline
- POSTGRES_PASSWORD=outline
- POSTGRES_DB=outline
volumes:
- outline_pg_data:/var/lib/postgresql/data
outline-redis:
image: redis:7-alpine
restart: unless-stopped
volumes:
outline_pg_data: