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Docker Images

This project utilizes two Dockerfiles to give the option of building the mosquitto-go-auth plugin from either local or released source.

In both cases the resulting image contains a compiled and ready to run version of mosquitto with the mosquitto-go-auth plugin-in enabled.

Base Image

Since there are several issues with using alpine based images we are using debian:stable-slim for both our build and final image. The final image size is about 128 MB.

Documented issues:

Build method

The Dockerfiles utilize the multi-stage build feature provided by the Docker CLI.

This feature allows you to optimize the final image output by copying select artifacts from the previous stage.

mosquitto-go-auth Plug-in (Released Source)

The Dockerfile in the /docker directory compiles the plug-in using the specified PLUGIN_VERSION source code. The source code will come directly from our GitHub Releases.

mosquitto-go-auth Plug-In (Local Source)

The Dockerfile located in the root (/) directory will compile the plug-in using your local source code.

Mosquitto

Both Dockerfiles compile mosquitto using the source code from the version specified by MOSQUITTO_VERSION.

Mosquitto released versions can be found at https://mosquitto.org/files/source/

Conf files

The Dockerfiles can also copy conf files found in the /docker/conf project directory.

You will have to uncomment the instructions manually for the files to be copied.

Docker Commands

In case you're not familiar with Docker, here are some basic commands for getting going.

Build Container:

# Ensure your PWD is either project root or /docker
docker build -t mosquitto-go-auth .

Run Container:

# This command will run the container and map the corresponding ports locally.
# You can access Mosquitto running inside the container on localhost:1883 and localhost:1884 (WebSockets)
docker run -it -p 1884:1884 -p 1883:1883 mosquitto-go-auth

Stop Container:

docker stop $(docker ps -q --filter ancestor=mosquitto-go-auth)

Remove Container locally:

docker rmi $(docker images -q --filter reference='mosquitto-go-auth:*')

Docker Compose

This is just a working example of how a docker image could be built for this project and composed with other images such as a redis one for cache (check docker-compose). Any contributions to make it better are very welcome.