[Unit]
Description=Ollama Server
After=network-online.target
Wants=network-online.target
StartLimitIntervalSec=0

[Service]
Type=exec
ExecStart=/usr/local/bin/ollama serve
User=aiserver
Group=aiserver
Restart=always
RestartSec=3
Environment="OLLAMA_HOST=0.0.0.0:11434"
Environment="OLLAMA_KEEP_ALIVE=24h"
Environment="OLLAMA_NUM_PARALLEL=2"
Environment="OLLAMA_MAX_LOADED_MODELS=2"
Environment="OLLAMA_FLASH_ATTENTION=1"
Environment="CUDA_VISIBLE_DEVICES=0"
Environment="OLLAMA_GPU_OVERHEAD=0.2"
Environment="OLLAMA_HOME=/opt/ai-server/.ollama"
WorkingDirectory=/opt/ai-server
StandardOutput=journal
StandardError=journal

# Security settings
NoNewPrivileges=true
PrivateTmp=true
ProtectSystem=strict
ReadWritePaths=/opt/ai-server

# Resource limits for RTX 2060
MemoryMax=8G
CPUQuota=400%

[Install]
WantedBy=multi-user.target