[Unit]
Description=Mautrix Google Chat bridge
After=network-online.target

[Service]
User=mautrix-googlechat
ExecStart=/usr/bin/python -m mautrix_googlechat -n -c /etc/mautrix-googlechat/config.yaml

NoNewPrivileges=yes
MemoryDenyWriteExecute=true
PrivateDevices=yes
PrivateTmp=yes
ProtectHome=yes
ProtectSystem=full
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