kostis-codefresh/prometheus-sample-app

Example Go app that exposes prometheus metrics

Example Go app that exposes Prometheus metrics

Original code modified from https://gabrieltanner.org/blog/collecting-prometheus-metrics-in-golang

How to build

Run:

• go build to get the executable OR
• docker build . -t example-app to create a container image if you prefer docker instead or don't have access to a Go dev environment

How to run the application on its own

• go run . OR
• docker run -p 8080:8080 example-app

Then visit http://localhost:8080 or http://localhost:8080/metrics

How to run with Prometheus and Graphana

Run docker-compose up

You can access Prometheus at http://localhost:9090 and Graphana at http://localhost:3000

1. Login into Graphana. Default user/password for Graphana is admin/admin
2. Add a datasource for type Prometheus at address http://localhost:9090 and auth type "Browser"
3. Import graphana/graphana-dashboard.json as a premade dashboard