What this is about

This is a demo project for 3 ways you can integrate Prometheus / OpenMetrics in your Symfony application. The app has 3 endpoints available for monitoring:

1. http://localhost/legacy/metrics - using sql
2. http://localhost:3903/metrics - via mtail
3. http://localhost/prometheus/metrics - using bundle

The app has 2 tables: bank accounts and users and include a prometheus config.

Prometheus is available on http://localhost:9090

Installation Instructions

Requirements

• Docker and Docker Compose

Configuration

Application configuration is stored in .env file.

Run cp .env.dist .env to apply the default configuration for local installations.

HTTP port

If you have nginx or apache installed and using 80 port on host system you can either stop them before proceeding or reconfigure Docker to use another port by changing value of EXTERNAL_HTTP_PORT in .env file.

Application environment

You can change application environment to dev of prod by changing APP_ENV variable in .env file.

DB name and credentials

DB name and credentials could by reconfigured by changing variables with POSTGRES prefix in .env file. It is recommended to restart containers after changing these values (new database will be automatically created on containers start).

Installation

1. Start Containers and install dependencies

On Linux:

docker-compose up -d

2. Run migrations, install fixtures

docker-compose exec php bin/console doctrine:migrations:migrate
docker-compose exec php bin/console doctrine:fixtures:load

4. Open project

Just go to http://localhost/legacy/metrics

Application commands

Creating a user: curl -X POST http://localhost/user -d name=testusername