[Unit]
Description=Ferrenium git repository browser
After=network.target

[Service]
Type=notify
ExecStart=/usr/local/bin/ferrenium serve --config /etc/ferrenium/ferrenium.toml
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
TimeoutStopSec=15

User=git
Group=git
RuntimeDirectory=ferrenium
RuntimeDirectoryMode=0755

# Read-only sandbox: ferrenium never writes to disk. Check the result with
# `systemd-analyze security ferrenium.service`.
ProtectSystem=strict
# The repositories live in /home/git. With a scan_path outside /home, use
# ProtectHome=yes instead.
ProtectHome=read-only
PrivateTmp=yes
PrivateDevices=yes
DevicePolicy=closed
ProtectKernelTunables=yes
ProtectKernelModules=yes
ProtectKernelLogs=yes
ProtectControlGroups=yes
ProtectClock=yes
ProtectHostname=yes
ProtectProc=invisible
ProcSubset=pid
NoNewPrivileges=yes
CapabilityBoundingSet=
AmbientCapabilities=
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
LockPersonality=yes
MemoryDenyWriteExecute=yes
SystemCallArchitectures=native
SystemCallFilter=@system-service
SystemCallFilter=~@privileged @resources
SystemCallErrorNumber=EPERM
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
# Only the reverse proxy on this host talks to ferrenium, and ferrenium
# opens no outbound connections. Widen this if Caddy runs elsewhere.
IPAddressDeny=any
IPAddressAllow=localhost
RemoveIPC=yes
UMask=0077

[Install]
WantedBy=multi-user.target