prometheus 0,0,1,1,1,2,0

A docker-compose stack for Prometheus monitoring

A Prometheus & Grafana docker-compose stack

Here’s a quick start to stand-up a Prometheus stack containing Prometheus, Grafana and Node scraper to monitor your Docker infrastructure. A big shoutout to philicious for kicking this project off!

##Pre-requisites Before we get started installing the Prometheus stack. Ensure you install the latest version of docker and docker-compose on your Docker host machine. This has also been tested with Docker for Mac and it works well.

##Installation & Configuration Clone the project locally to your Docker host.

If you would like to change which targets should be monitored or make configuration changes edit the /prom/prometheus.yml file. The targets section is where you define what should be monitored by Prometheus. The names defined in this file are actually sourced from the service name in the docker-compose file. If you wish to change names of the services you can add the “container_name” parameter in the docker-compose.yml file.

Once configurations are done let’s start it up. From the /prometheus project directory run the following command:

$ docker-compose up -d

That’s it. docker-compose builds the entire Grafa and Prometheus stack automagically.

The Grafana Dashboard is now accessible via: http://<Host IP Address>:3000 for example

username - admin password - foobar (Password is stored in the config.monitoring env file)

Post Configuration

Now we need to create the Prometheus Datasource in order to connect Grafana to Prometheues * Click the Grafana Menu at the top left corner (looks like a fireball) * Click Data Sources * Click the green button Add Data Source.


Alerting has been added to the stack with Slack integration. 2 Alerts have been added and are managed

Alerts - prometheus/alert.rules Slack configuration - alertmanager/config.yml

The Slack configuration requires to build a custom integration. * Open your slack team in your browser * Click build in the upper right corner * Make Custom integration * Choose Incomming Web Hooks * Select which channel * Copy the Webhook URL into the alertmanager/config.yml URL section * Fill in Slack username and channel

View Prometheus alerts http://<Host IP Address>:9090/alerts View Alert Manager http://<Host IP Address>:9093

Test Alerts

A quick test for your alerts is to stop a service. Stop the node_exporter container and you should notice shortly the alert arrive in Slack. Also check the alerts in both the Alert Manager and Prometheus Alerts just to understand how they flow through the system.

High load test alert - docker run --rm -it busybox sh -c "while true; do :; done"`

Let this run for a few minutes and you will notice the load alert appear.

Install Dashboard

I created a Dashboard template which is available on Grafana Docker Dashboard. Simply download the dashboard and select from the Grafana menu -> Dashboards -> Import

This dashboard is intended to help you get started with monitoring. If you have any changes you would like to see in the Dashboard let me know so I can update Grafana site as well.

Here’s the Dashboard Template

Grafana Dashboard

Grafana Dashboard - dashboards/Grana_Dashboad.json Alerting Dashboard - dashboards/System_Monitoring.json


It appears some people have reported no data appearing in Grafana. If this is happening to you be sure to check the time range being queried within Grafana to ensure it is using Today’s date with current time.

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