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# ssh-tunnel
Securely expose remote services via SSH tunnels inside Docker. Lightweight, multiarch & easy to use!
# 🛡️ SSH Tunnel - Secure Remote Access via SSH Tunnels
<p align="left">
<img src="https://salt8.org/PICS/ssh-tunnel.webp" alt="SSH Tunnel Logo" width="200"/>
</p>
## 🚀 **Quick Start**
For a fast setup, run:
```sh
docker run -d -e SSH_HOST=your-server -e SSH_USER=user \
-v ~/.ssh/id_rsa:/tmp/id_rsa:ro ripleybooya/ssh-tunnel
```
## 📌 Why this image?
This container was created to **securely expose remote services via SSH tunnels**.
Instead of exposing databases or other services to the public internet, this container allows you to **create secure SSH tunnels** inside a Docker network.
### 🔥 **Use Cases:**
- Securely connect to **remote databases** (PostgreSQL, MySQL, MariaDB).
- Access **internal services** (Redis, Elasticsearch, APIs) via SSH.
- Securely tunnel any service **without exposing it publicly**.
---
## 🚀 How to Use
### **1⃣ Run with `docker run`**
```sh
docker run -d --name ssh-tunnel \
-e SSH_HOST="your-server.com" \
-e SSH_USER="your-username" \
-e REMOTE_PORTS="127.0.0.1:5432 127.0.0.1:443" \
-e LOCAL_PORTS="15432 8443" \
-v /path/to/id_rsa:/tmp/id_rsa:ro \
--network=my_docker_network \
ripleybooya/ssh-tunnel
```
📌 **Explanation:**
- `SSH_HOST`: The remote server where SSH tunnels will be established.
- `SSH_USER`: The SSH user on the remote server.
- `REMOTE_PORTS`: Ports from the remote server (format: `127.0.0.1:PORT`).
- `LOCAL_PORTS`: Ports inside the Docker network (mapped to `REMOTE_PORTS`).
- `-v /path/to/id_rsa:/tmp/id_rsa:ro`: **Mounts your SSH key securely** (using `/tmp/id_rsa` for better permissions).
---
### **2⃣ Using `docker-compose.yml`**
For easier management, use **Docker Compose**:
```yaml
version: '3.8'
services:
ssh-tunnel:
image: ripleybooya/ssh-tunnel
container_name: ssh-tunnel
restart: always
networks:
- internal
environment:
SSH_HOST: "your-server.com"
SSH_USER: "your-username"
REMOTE_PORTS: "127.0.0.1:5432 127.0.0.1:443"
LOCAL_PORTS: "15432 8443"
volumes:
- /path/to/id_rsa:/tmp/id_rsa:ro
networks:
internal:
driver: bridge
```
---
## 📌 **Why use this image?**
**Secure**: No need to expose services publicly.
**Simple**: Just set environment variables and run.
**Multi-Arch**: Works on **x86_64 (Intel/AMD)** and **ARM64 (Oracle Cloud, Raspberry Pi, etc.)**.
**Lightweight**: Uses **Alpine Linux** for minimal resource usage.
---
## 📦 Pull & Run
```sh
docker pull ripleybooya/ssh-tunnel
docker run --rm -it ripleybooya/ssh-tunnel uname -m
```
🚀 **Now your remote services are accessible through secure SSH tunnels!**
---
## 🔖 Tags & Keywords
This image can be used for:
- 🛡️ **SSH Tunneling**
- 🔌 **Networking & Proxy**
- 🔒 **Security & Encryption**
- 🗄️ **Database Access (PostgreSQL, MySQL, MariaDB, etc.)**
- 🏗️ **Remote Service Exposure in Docker**
---
## 📜 Third-Party Licenses
This project is based on:
- [Alpine Linux](https://www.alpinelinux.org/) - MIT License
- [OpenSSH](https://www.openssh.com/) - BSD License
- [Docker](https://www.docker.com/) - Apache 2.0 License
## 📜 License
This project is licensed under the **MIT License**.
You are free to use, modify, and distribute it.
Read the full license [here](https://opensource.org/licenses/MIT).
---
## 🤖 AI Assistance & Acknowledgment
This project was built with the help of an **AI-powered assistant (LLM)** to improve structure, efficiency, and documentation clarity.