Step 1: Copy /etc/mosquitto/conf.d/mosquitto.conf to /home/suresh/docker/mqtt/config/ directory Copy /etc/mosquitto/passwd to /mqtt/config directory Step 2: Run `sudo chown mosquitto:mosquitto mosquitto.conf` Step 3: Edit mosquitto.conf and set the passwd file path to /mqtt/config file # Run the following command docker run -it -p 1883:1883 -p 9001:9001 -v /home/suresh/docker/mqtt/config:/mosquitto/config/ eclipse-mosquitto:latest