[Unit]
Description=redlib daemon
After=network.service

[Service]
DynamicUser=yes
# Default Values
#Environment=ADDRESS=0.0.0.0
#Environment=PORT=8080
# Optional Override
EnvironmentFile=-/etc/redlib.conf
ExecStart=/usr/bin/redlib -a ${ADDRESS} -p ${PORT}

# Hardening
DeviceAllow=
LockPersonality=yes
MemoryDenyWriteExecute=yes
PrivateDevices=yes
ProcSubset=pid
ProtectClock=yes
ProtectControlGroups=yes
ProtectHome=yes
ProtectHostname=yes
ProtectKernelLogs=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
ProtectProc=invisible
RestrictAddressFamilies=AF_INET AF_INET6
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
SystemCallArchitectures=native
SystemCallFilter=@system-service ~@privileged ~@resources
UMask=0077

[Install]
WantedBy=default.target