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mosquitto/docker/generic/README.md
Roger A. Light 0296bd2e55 Update example Docker ports. 
Port 9001 is used by Intel drivers on Windows, so some users are
suddenly seeing a problem.

Issue #1580.
2020-04-23 13:10:11 +01:00

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Eclipse Mosquitto Docker Image

Containers built with this Dockerfile build as source from published tarballs.

Mount Points

Three docker volumes have been created in the image to be used for configuration, persistent storage and logs.

/mosquitto/config
/mosquitto/data
/mosquitto/log

Configuration

When creating a container from the image, the default configuration values are used. To use a custom configuration file, mount a local configuration file to /mosquitto/config/mosquitto.conf

docker run -it -p 1883:1883 -v <absolute-path-to-configuration-file>:/mosquitto/config/mosquitto.conf eclipse-mosquitto:<version>

Configuration can be changed to:

  • persist data to /mosquitto/data
  • log to /mosquitto/log/mosquitto.log

i.e. add the following to mosquitto.conf:

persistence true
persistence_location /mosquitto/data/

log_dest file /mosquitto/log/mosquitto.log

Note: For any volume used, the data will be persistent between containers.

Build

Build and tag the docker image for a specific version:

docker build -t eclipse-mosquitto:<version> --build-arg VERSION="<version>" .

Run

Run a container using the new image:

docker run -it -p 1883:1883 -v <path-to-configuration-file>:/mosquitto/config/mosquitto.conf -v /mosquitto/data -v /mosquitto/log eclipse-mosquitto:<version>

💥 if the mosquitto configuration (mosquitto.conf) was modified to use non-default ports, the docker run command will need to be updated to expose the ports that have been configured.