Docker Compose vs Docker Swarm
Tools · 6 min
You want to set up Ollama, n8n, Grafana and Team-Chat. Now the question: Docker Compose or Docker Swarm? The answer determines how your stack scales.
Docker Compose in 60 Seconds
Docker Compose is the best friend of every developer. You write adocker-compose.yml, define your services (Ollama, PostgreSQL, Redis, Grafana) and start with docker-compose up. Everything runs on your local machine or a single server.
When Compose is perfect:
- Single-machine setups (laptop, one physical server)
- Development environments
- Small hobby projects
- Learning infrastructure
- GPU-intensive workloads (Ollama with A100 or 3090)
Docker Swarm in 60 Seconds
Docker Swarm is Dockers built-in orchestration platform. You cluster 3+ machines, define managers and workers, and the cluster takes over: service scheduling, load balancing, rolling updates, service discovery, high availability.
The Direct Comparison
| Feature | Docker Compose | Docker Swarm |
|---|---|---|
| Setup Complexity | 5 minutes | 30 minutes (one-time) |
| Multi-Host Support | ❌ No | ✅ Yes (3+ Nodes) |
| High Availability | ❌ No (SPOF) | ✅ Yes |
| Rolling Updates | Manual stop/start | Built-in (Zero-Downtime) |
| Load Balancing | ❌ No | ✅ Yes |
| GPU Passthrough | Simple | Node Constraints needed |
When to Use What?
✅ Use Docker Compose if:
- • One machine. Nothing more planned.
- • Experimenting. Learning Ollama, n8n.
- • GPU-only. Whole stack on one 3090.
- • No uptime needed. Hobby project.
✅ Use Docker Swarm if:
- • 3+ VMs/servers. Proxmox cluster.
- • Production. Replicas, rolling updates.
- • Complex stack. 9+ services.
- • Team infrastructure.
Related articles: Docker Basics · Grafana Monitoring
For implementation support, find resources at ai-engineering.at.
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