# A sample systemd service file for lnd running with a bitcoind service.

[Unit]
Description=Lightning Network Daemon

# Make sure lnd starts after bitcoind is ready
Requires=bitcoind.service
After=bitcoind.service

[Service]
ExecStart=/usr/local/bin/lnd
ExecStop=/usr/local/bin/lncli stop
PIDFile=/home/bitcoin/.lnd/lnd.pid

# Replace these with the user:group that will run lnd
User=bitcoin
Group=bitcoin

# Try restarting lnd if it stops due to a failure
Restart=on-failure
RestartSec=60

# Type=notify is required for lnd to notify systemd when it is ready
Type=notify

# An extended timeout period is needed to allow for database compaction
# and other time intensive operations during startup. We also extend the
# stop timeout to ensure graceful shutdowns of lnd.
TimeoutStartSec=1200
TimeoutStopSec=3600

# Hardening Measures
####################

# Mount /usr, /boot/ and /etc read-only for the process.
ProtectSystem=full

# Disallow the process and all of its children to gain
# new privileges through execve().
NoNewPrivileges=true

# Use a new /dev namespace only populated with API pseudo devices
# such as /dev/null, /dev/zero and /dev/random.
PrivateDevices=true

# Deny the creation of writable and executable memory mappings.
MemoryDenyWriteExecute=true

[Install]
WantedBy=multi-user.target
