open-balena/compose/mdns.yml

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version: "2.0"
services:
balena-mdns-publisher:
image: balena/balena-mdns-publisher:${OPENBALENA_MDNS_PUBLISHER_VERSION_TAG}
network_mode: "host"
cap_add:
- SYS_RESOURCE
- SYS_ADMIN
security_opt:
- apparmor:unconfined
tmpfs:
- /run
- /sys/fs/cgroup
# balenaOS - Required for host DBus comms. Not required for standalone Linux
labels:
io.balena.features.dbus: '1'
io.balena.features.supervisor-api: '1'
environment:
CONFD_BACKEND: ENV
# The name of the TLD to use. This *must* match certificates used for the rest of
# the resin backend (eg. that for BALENA_ROOT_CA if present).
MDNS_TLD: ${OPENBALENA_HOST_NAME}
# List of subdomains to advertise. This must include all required hosts.
MDNS_SUBDOMAINS: '["api", "db", "registry", "s3", "tunnel", "vpn"]'
# The expectation is the DBus socket to use is always at the following location.
DBUS_SESSION_BUS_ADDRESS: "unix:path=/host/run/dbus/system_bus_socket"
# Selects the interface used for incoming connections from the wider subnet.
# For NUCs, this is `eno1`. If running natively, pick the appropriate interface.
# Alternatively, keep the default commented out to autoselect.
#INTERFACE: "eno1"