README.md

Metric application

This application was created to show an example integration Prometheus with Symfony 4 Framework

The Application logic is created to add some scenarios like many database queries, slow endpoints, etc.

Application has 5 endpoints:

Method	Routing	Description
GET	/example	Endpoint to count
POST	/example	Endpoint to count
GET	/second/example	Endpoint to count
POST	/second/example	Endpoint to count
GET	/slow/example	Endpoint to count
POST	/slow/example	Endpoint to count
PUT	/slow/example	Endpoint to count
DELETE	/slow/example	Endpoint to count
GET	/metrics	Get metrics for Prometheus

Pre-requirements

• Docker
• Docker-compose
• Task

The application wasn't tested on Windows

Setup

Kubernetes based version

Installation

• Run task init

Run application

• Setup kubernetes environment
• Run task kubeconfig
• Run task start
• Open http://localhost to check if works
• If you get 502 Bad Gateway, please wait little longer. Application needs a moment to wake up
• To generate an example traffic use prepared stress tests project

Docker based version

Installation

• Run task docker-init

Run application

• Run task docker-start
• Open http://localhost:8081 to check if works
• To generate an example traffic use prepared stress tests project

To see Grafana and prometheus panel you need to use the Kubernetes version

Remove application

• Run task remove-dev