walnut.js/dist/etc/systemd/system/walnut.service

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[Unit]
Description=WALNUT IoT App Infrastructure
Documentation=https://git.daplie.com/Daplie/walnut.js
After=network-online.target
Wants=network-online.target systemd-networkd-wait-online.service
[Service]
# Restart on crash (bad signal), and on 'clean' failure (error exit code)
# Allow up to 3 restarts within 10 seconds
# (it's unlikely that a user or properly-running script will do this)
Restart=on-failure
StartLimitInterval=10
StartLimitBurst=3
# The v8 VM will output a "clean" for JavaScript errors.
# If we knew we were never going to accidentally exit cleanly
# we would use on-abnormal:
; Restart=on-abnormal
# User and group the process will run as
# (www-data is the de facto standard on most systems)
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User=MY_USER
Group=MY_GROUP
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# If we need to pass environment variables in the future
; Environment=GOLDILOCKS_PATH=/opt/walnut
# Set a sane working directory, sane flags, and specify how to reload the config file
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WorkingDirectory=/opt/walnut
ExecStart=/opt/walnut/bin/node /opt/walnut/core/bin/walnut.js --config=/etc/walnut/walnut.yml
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ExecReload=/bin/kill -USR1 $MAINPID
# Limit the number of file descriptors and processes; see `man systemd.exec` for more limit settings.
# We don't expected to use more than this.
LimitNOFILE=1048576
LimitNPROC=64
# Use private /tmp and /var/tmp, which are discarded after the process stops.
PrivateTmp=true
# Use a minimal /dev
PrivateDevices=true
# Hide /home, /root, and /run/user. Nobody will steal your SSH-keys.
ProtectHome=true
# Make /usr, /boot, /etc and possibly some more folders read-only.
ProtectSystem=full
# … except TLS/SSL, ACME, and Let's Encrypt certificates
# and /var/log/, because we want a place where logs can go.
# This merely retains r/w access rights, it does not add any new. Must still be writable on the host!
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ReadWriteDirectories=/etc/walnut /var/log/walnut /var/walnut /opt/walnut /srv/walnut
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# Note: in v231 and above ReadWritePaths has been renamed to ReadWriteDirectories
; ReadWritePaths=/etc/walnut /var/log/walnut
;
# The following additional security directives only work with systemd v229 or later.
# They further retrict privileges that can be gained.
# Note that you may have to add capabilities required by any plugins in use.
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE
NoNewPrivileges=true
# Caveat: Some plugins need additional capabilities.
# For example "upload" needs CAP_LEASE
; CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_LEASE
; AmbientCapabilities=CAP_NET_BIND_SERVICE CAP_LEASE
; NoNewPrivileges=true
[Install]
WantedBy=multi-user.target