# Sablier

Sablier is a lightweight Docker-aware middleware that automatically starts and stops containers based on incoming requests. It is open source and self-hosted, installable on Docker Hub, Kubernetes (Helm) and Unraid.

Canonical page: https://ourlocalhost.com/app/958/sablier

## Description

Sablier is a lightweight Docker-aware middleware that automatically starts and stops containers based on incoming requests. It integrates with reverse proxies such as Traefik and helps reduce resource consumption by stopping unused applications.

## Platform availability

Available on 2 of 9 platforms: Unraid, Helm.

## Health score

79/100 (Good), based on 4 of 5 factors.
- Maintained: 100 (last commit 24 days ago)
- Popular: 70 (3,005 GitHub stars)
- Easy to install: 45 (2 install platforms, install notes, Docker image)
- Security check: 82 (no serious findings, 1 minor, CI, tests, OpenSSF Scorecard 6.3/10)

## Links

- Official website: https://sablierapp.dev/
- Docker Hub: https://hub.docker.com/r/sablierapp/sablier
- GitHub: https://github.com/sablierapp/sablier
- Kubernetes (Helm): https://artifacthub.io/packages/helm/sablier-helm-charts/sablier
- Unraid: https://ca.unraid.net/apps/sablier-0s986tj0fkb54j?q=sablier

## Common questions

### How does Sablier work with a reverse proxy?

Sablier integrates with reverse proxy plugins for Traefik, Caddy, Nginx, Envoy, and other supported systems. The plugin intercepts incoming requests, wakes the sleeping workload, and shows a waiting page until it is ready.

### How do you run Sablier as a Linux background service?

Run make install once so it copies the Sablier config and systemd unit files to ~/.config/systemd/user. It then starts the user service; if you skip or lose those files, Sablier will not run as a background service.

### What port do many Sablier examples require for session requests?

Keep port 10000 open because many examples use it to ask Sablier to start a session. If the port is blocked, Sablier will not receive the start request and the demo can time out.

### What tools must be installed before running the example make commands?

Install Docker with Compose, and curl when the README asks for it. Without those tools, make up may fail before Sablier can start the demo.

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Source: Our Local Host (https://ourlocalhost.com/app/958/sablier), the self-hosted and open-source app directory.