[Unit]
Description=GoToSocial Server

[Service]

# make sure this user and group exist and have read and write permissions in your GoToSocial folder.
# if they do not exist yet create them with "sudo useradd -r gotosocial"
# then give them permission with "chown -R gotosocial:gotosocial /gotosocial" (path to your gotosocial folder)
# you can adjust the users name according to your setup
User=gotosocial
Group=gotosocial

Type=exec
Restart=on-failure

# change if your path to the GoToSocial binary is different
ExecStart=/gotosocial/gotosocial --config-path config.yaml server start
WorkingDirectory=/gotosocial

# Sandboxing options to harden security
# Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
RestrictNamespaces=yes
RestrictRealtime=yes
DevicePolicy=closed
ProtectSystem=full
ProtectControlGroups=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
LockPersonality=yes
SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap

# Denying access to capabilities that should not be relevant
# Doc: https://man7.org/linux/man-pages/man7/capabilities.7.html
CapabilityBoundingSet=~CAP_RAWIO CAP_MKNOD
CapabilityBoundingSet=~CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_AUDIT_WRITE
CapabilityBoundingSet=~CAP_SYS_BOOT CAP_SYS_TIME CAP_SYS_MODULE CAP_SYS_PACCT
CapabilityBoundingSet=~CAP_LEASE CAP_LINUX_IMMUTABLE CAP_IPC_LOCK
CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_WAKE_ALARM
CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
CapabilityBoundingSet=~CAP_MAC_ADMIN CAP_MAC_OVERRIDE
CapabilityBoundingSet=~CAP_NET_ADMIN CAP_NET_BROADCAST CAP_NET_RAW
CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG 
# You might need this if you are running as non-root on a privileged port (below 1024)
#AmbientCapabilities=CAP_NET_BIND_SERVICE


[Install]
WantedBy=default.target

# After you are done editing this file move it to "/etc/systemd/system/gotosocial.service" and enable the service with "sudo systemctl enable --now gotosocial.service"