[Unit]
Description=mautrix-whatsapp bridge

[Service]
Type=exec
User=mautrix-whatsapp
WorkingDirectory=/usr/lib/mautrix-whatsapp
ExecStart=/usr/lib/mautrix-whatsapp/mautrix-whatsapp -c /etc/mautrix-whatsapp/config.yaml
Restart=on-failure
RestartSec=30s

# Optional hardening to improve security
ReadWritePaths=/usr/lib/mautrix-whatsapp /etc/mautrix-whatsapp
NoNewPrivileges=yes
MemoryDenyWriteExecute=true
PrivateDevices=yes
PrivateTmp=yes
ProtectHome=yes
ProtectSystem=strict
ProtectControlGroups=true
RestrictSUIDSGID=true
RestrictRealtime=true
LockPersonality=true
ProtectKernelLogs=true
ProtectKernelTunables=true
ProtectHostname=true
ProtectKernelModules=true
PrivateUsers=true
ProtectClock=true
SystemCallArchitectures=native
SystemCallErrorNumber=EPERM
SystemCallFilter=@system-service

[Install]
WantedBy=multi-user.target