apiVersion: batch/v1                                         # API version for batch jobs
kind: Job                                                    # Defines a Kubernetes Job resource
metadata:                                                    # Metadata for the Job
  name: python-job                                           # Job name
  namespace: ewalter                                         # Namespace where the Job will run
spec:                                                        # Job specification
  activeDeadlineSeconds: 60                                  # Max time (in seconds) before Job is terminated
  ttlSecondsAfterFinished: 30                                # Auto-delete Job 30s after completion
  template:                                                  # Pod template used by the Job
    spec:                                                    # Pod specification
      restartPolicy: OnFailure                               # Restart failed Pods, but not successful ones
      securityContext:                                       # Default security context for all containers
        runAsUser: 1719                                      # Run as this user ID
        runAsGroup: 1121                                     # Run as this group ID
      containers:                                            # Container list
        - name: python                                       # Container name
          image: laudio/pyodbc                               # Image containing Python + pyodbc
          command: ["/bin/sh", "-ec", "sleep 300"]           # Run a shell, exit on error, sleep 5 minutes
          resources:                                         # Resource requests and limits
            requests:                                        # Minimum resources required
              memory: "8Gi"                                  # Request 8 GiB of RAM
              cpu: "2"                                       # Request 2 CPU cores
              nvidia.com/gpu: 1                              # Request 1 GPU
            limits:                                          # Maximum resources allowed
              memory: "16Gi"                                 # Limit to 16 GiB of RAM
              cpu: "4"                                       # Limit to 4 CPU cores
              nvidia.com/gpu: 1                              # Limit 1 GPU (must match request)
          volumeMounts:                                      # Mount points for declared volumes
            - name: data10                                   # Reference to first NFS volume
              mountPath: /tmp/mydata                         # Mount path inside container
            - name: scr10                                    # Reference to second NFS volume
              mountPath: /tmp/my10                           # Mount path inside container
      volumes:                                               # Define available volumes
        - name: data10                                       # Volume name (matches container mount)
          nfs:                                               # Network File System (NFS) source
            server: lunar                                    # NFS server hostname
            path: /sciclone/data10/ewalter                   # Path on NFS server
        - name: scr10                                        # Another NFS volume
          nfs:
            server: scr10                                    # Second NFS server
            path: /sciclone/scr10/ewalter                    # Path on NFS server