job "ai-backend" {
  datacenters = ["Homelab-PTECH-DC"]
  region      = "home"
  type        = "service"

  group "ollama-group" {
    count = 1

    # Pin to P52 Laptop (eGPU Host)
    constraint {
      attribute = "${meta.device}"
      value     = "p52-laptop"
    }

    network {
      port "api" { static = 11434 }
    }

    task "ollama" {
      driver = "podman"

      env {
        OLLAMA_HOST    = "0.0.0.0"
        OLLAMA_ORIGINS = "*"
        
        # 1. Force 6900XT Support
        HSA_OVERRIDE_GFX_VERSION = "10.3.0"
        
        # 2. Debugging
        OLLAMA_DEBUG = "1"
      }

      config {
        image = "docker.io/ollama/ollama:latest"
        ports = ["api"]
        
        # Required to talk to hardware (This handles most security opts)
        privileged = true

        # --- Explicit Device Mapping ---
        # Map the Compute interface and the Physical Card
        devices = [
            "/dev/kfd",
            "/dev/dri/card1",
            "/dev/dri/renderD128"
        ]

        # --- Volumes ---
        volumes = [
          # 1. Your Custom Storage Path
          "/mnt/local-ssd/nomad/stacks/ai/ai-backend/ollama:/root/.ollama",
          
          # 2. Shared Memory Workaround (Replaces ipc_mode = "host")
          # This helps the AMD driver communicate efficiently
          "/dev/shm:/dev/shm"
        ]
      }

      service {
        name = "ollama"
        port = "api"
        
        check {
          type     = "http"
          path     = "/"
          interval = "20s"
          timeout  = "2s"
        }
      }
      
      resources {
        cpu    = 2000
        memory = 8192 # 8GB System RAM
      }
    }
  }
}