# Helm chart deployment

This directory contains a Helm chart for deploying the app to a cluster, it support bot production and preview
deployment.

## Directory Structure

- `myapp-chart/`
    - `templates/`
        - `app-deployment.yaml` - Kubernetes Deployment for the application
        - `cron.yaml` - cronjob for periodic tasks - periodically calls app endpoint
        - `database.yaml` - Creates database using MariaDB operator. Production database is kept, but preview/dev
          database is dropped after uninstalling the chart.
        - `database-grant.yaml` - Defines rights for the database user
        - `database-user.yaml` - Creates database user
        - `monitoring.yaml` - Adds /metrics endpoint to Prometheus scraping
        - `prod.yaml` - Application secrets
        - `rabbitmq-cluster.yaml` - Defines RabbitMQ cluster for this deployment
        - `rabbitmq-permission.yalm` - Defines RabbitMQ user permissions
        - `rabbitmq-queue.yaml` - Defines RabbitMQ queue
        - `rabbitmq-user.yaml` - Defines RabbitMQ user
        - `rabbitmq-user-secret.yaml` - Defines RabbitMQ user secret
        - `service.yaml` - Kubernetes Service for the application
        - `tunnel.yaml` - Cloudflare tunnel for accessing the application¨
        - `worker-deployment.yaml` - Kubernetes Deployment for the Celery worker, uses same image as the app-deployment,
          but with different entrypoint
    - `Chart.yaml` - Helm chart metadata
    - `values.yaml` - list of all configurable values
    - `values-dev.yaml` - default values for development/preview deployment
    - `values-prod.yaml` - default values for production deployment