Source

version: "3.7"

services:
  # mqtt5 eclipse-mosquitto
  mosquitto:
    image: eclipse-mosquitto:latest
    ports:
      - "1883:1883" #default mqtt port
      - "9001:9001" #default mqtt port for websockets
    volumes:
      - /mnt/docker/data/mosquitto/config:/mosquitto/config
      - /mnt/docker/data/mosquitto/data:/mosquitto/data
      - /mnt/docker/data/mosquitto/log:/mosquitto/log