Prometheus on ARM

This project produces Prometheus Docker images for ARM hosts (and one for x64 for testing).

The available tags are:

• armhf: for 32-bits ARM hosts (built on Travis)
  
• aarch64: for 64-bits ARM hosts (also built on Travis)
  
• latest: for x86 hosts (auto-built on Docker Hub
  

The images are all based on Alpine Linux with the ARM images having a small QEMU binary to be able to build them on x64 hosts.

Usage

The image uses the same ENTRYPOINT and CMD instructions as the official prom/prometheus image.

To run it, use:

docker run -p 9090:9090 -v /tmp/prometheus.yml:/etc/prometheus/prometheus.yml \
       rycus86/prometheus

This will take your Prometheus config from /tmp/prometheus.yml and use it to start the x64 version on port 9090.

To run it with docker-compose:

version: '2'
services:

  prometheus:
    image: rycus86/prometheus:aarch64
    restart: always
    ports:
     - "9090:9090"
    volumes:
     - /tmp/prometheus.yml:/etc/prometheus/prometheus.yml

  ...

This will start the 64-bits ARM version with the configuration as above but because of docker-compose you can refer to the monitored applications with their service name as hostname. For example if you have a webapp service exposing metrics on port 9123 you can configure it in the prometheus.yml file as:

...

scrape_configs:

  - job_name: 'web_app'
    
    static_configs:
     - targets: ['webapp:9123']
  
  ...