oitc/dockerhubstats2mqtt
Collect repository statistics from Dockerhub and publish them to a MQTT topic.
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oitc/dockerhubstats2mqtt repository overview
Quick reference
References
Maintained by: Michael Oberdorf IT-Consulting
Source code: GitHub
Container image: DockerHub
Supported tags and respective Dockerfile links
Summary
The container image is based on Alpine Linux and sends a curl request result with the mosquitto-client to a MQTT server topic.
Prerequisites to run the docker container
You need an MQTT server to send the data to it.
Configuration
Container configuration
The container grab the configuration via environment variables.
| Environment variable name | Description | Required | Default value |
|---|---|---|---|
MQTT_SERVER | The MQTT server hostname or IP address | OPTIONAL | localhost |
MQTT_PORT | The TCP port of the MQTT server | OPTIONAL | 1883 |
MQTT_TLS_enabled | Should SSL communication be enabled (true) or not (false) | OPTIONAL | false |
MQTT_CACERT_FILE | If TLS is enabled, the path to the CA certificate file to validate the MQTT server certificate | OPTIONAL | |
MQTT_TLS_no_hostname_validation | If TLS is enabled, skip the hostname validation of the TLS certificate | OPTIONAL | false |
MQTT_USER | The MQTT username for MQTT authentication | OPTIONAL | |
MQTT_PASSWORD | The MQTT password for MQTT authentication | OPTIONAL | |
MQTT_PASSWORD_FILE | The filepath where the MQTT password is stored for MQTT authentication | OPTIONAL | |
MQTT_TOPIC | The MQTT topic to send the docker hub statistics to | MANDATORY | |
MQTT_RETAIN | Set the retain flag when publishing the docker hub statistics to MQTT topic | OPTIONAL | false |
REPOSITORIES | A whitespace separated list of docker hub repositories where to collect the statistics | MANDATORY | |
MQTT_TOPIC_REPO_EXTENSION | Use the docker hub repository name as MQTT topic appendix | OPTIONAL | false |
Docker compose configuration
services:
dockerhubstats2mqtt:
restart: "no"
user: 5241:5241
image: oitc/dockerhubstats2mqtt:latest
environment:
MQTT_SERVER: test.mosquitto.org
MQTT_PORT: 1883
MQTT_TOPIC: com/docker/hub/repositories/metrics
REPOSITORIES: oitc/dockerhubstats2mqtt oitc/modbus-server oitc/mqtt2elasticsearch
A bigger example can be found here: docker-compose.yaml
Relationship to docker.mqtt2elasticsearch
If you want to use docker.mqtt2elasticsearch to store the data in an Elasticsearch or Opensearch database, ou can use this mappings example file:
mqtt2elasticsearch-mappings.json
Donate
I would appreciate a small donation to support the further development of my open source projects.
License
Copyright (c) 2025-2026 Michael Oberdorf IT-Consulting
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Tag summary
Content type
Image
Digest
sha256:f4b1c3329…
Size
7.5 MB
Last updated
3 months ago
docker pull oitc/dockerhubstats2mqtt