[Unit]
Description=BookStack MCP Server
Documentation=https://github.com/your/bookstack-mcp
After=network-online.target
Wants=network-online.target

[Service]
Type=exec
User=bookstack-mcp
Group=bookstack-mcp

EnvironmentFile=/etc/bookstack-mcp/env
WorkingDirectory=/opt/bookstack-mcp
ExecStart=/opt/bookstack-mcp/venv/bin/python -m bookstack_mcp

Restart=on-failure
RestartSec=5s
TimeoutStopSec=20s

# --- Hardening ---
# These all work in an unprivileged Proxmox/LXD container. If the service fails
# with a 226/NAMESPACE or 227/SECCOMP status on an older kernel, comment out the
# block below and it will start fine -- it only reduces defence in depth.
NoNewPrivileges=yes
PrivateTmp=yes
ProtectSystem=strict
ProtectHome=yes
ProtectControlGroups=yes
RestrictSUIDSGID=yes
RemoveIPC=yes
LockPersonality=yes
MemoryDenyWriteExecute=yes
RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
CapabilityBoundingSet=
AmbientCapabilities=

# Journald captures stdout/stderr: journalctl -u bookstack-mcp -f
StandardOutput=journal
StandardError=journal
SyslogIdentifier=bookstack-mcp

[Install]
WantedBy=multi-user.target