# MQTT : Servers : Mosquitto
#### Test Server
URL: [test.mosquitto.org](https://test.mosquitto.org)
- MQTT
- MQTT over TLS
- MQTT over TLS (with client certificate)
- MQTT over WebSockets
- MQTT over WebSockets with TLS
#### Docker
Image: [eclipse-mosquitto](https://hub.docker.com/_/eclipse-mosquitto)
**Files & Dirs**
```
/mosquitto/config
/mosquitto/config/mosquitto.conf
/mosquitto/data
/mosquitto/log
```
`mosquitto.conf`
```
allow_anonymous true
listener 1883 0.0.0.0
```
**Running**
```bash
$ docker run -it -p 1883:1883 -v mosquitto.conf:/mosquitto/config/mosquitto.conf eclipse-mosquitto
```
**Compose**
```yaml
mqtt:
image: eclipse-mosquitto
volumes:
- ./mosquitto.conf:/mosquitto/config/mosquitto.conf
ports:
- 1883:1883
```