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loadbalancer/docs/deployment.md
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2026-06-30 09:50:18 +02:00

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# Deployment
## Requirements
- Docker Engine with Docker Compose plugin.
- Backend services reachable from the Docker host or container by IP address and port.
- Backend services must terminate TLS and present valid SSL certificates for the expected client names.
## Configuration
Update `config/dynamic/tcp-services.yml` with the real backend addresses:
```yaml
servers:
- address: "10.0.0.10:443"
- address: "10.0.0.11:443"
```
If a backend listens on the Docker host, use `host.docker.internal:PORT`. Compose maps that name through Docker's `host-gateway` feature.
The `./config` directory is the host-based configuration volume. It is mounted read-only into the container:
```yaml
volumes:
- ./config:/etc/traefik:ro
```
## Ports
- Host `443/tcp` -> container `8443/tcp`: public TCP TLS passthrough load-balancer entrypoint.
- Container `8082/tcp`: internal Traefik ping entrypoint used only by the container healthcheck.
## Deploy
Validate the Compose configuration:
```bash
docker compose config
```
Start the stack:
```bash
docker compose up -d
```
Check status:
```bash
docker compose ps
docker compose logs traefik
```
## Rollback
Stop the stack:
```bash
docker compose down
```
Then revert the deployment commit or restore the previous load-balancer configuration.