Adding HA health-check auto-heal, Zero Downtime Deployments

[mhmdksh]

This update creates a whole new set of deployments for the backend, it adds the below:

1. Adds Health Checks to the GraphQL Backends
2. Add 3 replicas of the GraphQL Backend and 3 replicas of the Job Backend
3. Updates the Caddy reverse proxy configuration to accommodate for HA Availability and Load Balancing
4. Updates the Pipelines for adding Zero-Downtime Deployments with the current setup
5. Add auto-healing mechanisms for containers that are found unhealthy
6. Add a simpler 1 docker-compose file setup with modification to .env for docker image