614e895b5d
mvance/unbound was last rebuilt 668 days ago. Replaced with
madnuttah/unbound (14 days): distroless, runs unprivileged as non-root,
listens on 5335 by default — exactly the "upstream behind a blocker"
shape — and publishes clean semver tags. klutchell/unbound is equally
fresh but defaults to port 53 (fighting Pi-hole/AdGuard for it) and its
tag namespace is CI build soup.
The shipped config was worse than the stale image. It was not a
recursive resolver at all:
interface: 0.0.0.0@53
forward-addr: 10.100.0.3@53 # "Local AdGuard" — a hardcoded IP
forward-addr: 9.9.9.9@853
So it listened on 53 (conflicting with any blocker on the same host),
forwarded to Quad9 — surrendering the "nobody sees my queries" property
that is the only reason to run Unbound in front of a blocker — and
pointed at AdGuard, inverting the dependency: AdGuard should point HERE.
Replaced with a drop-in at conf.d/libreportal.conf. The image's own
unbound.conf ends with `include-toplevel: conf.d/*.conf`, so ours ADDS
to a working recursive config the image author maintains rather than
replacing it — upstream keeps owning the parts that change between
Unbound releases. It contributes access-control (private ranges allow,
everything else REFUSE, so this can never become an open resolver for
amplification attacks), DNSSEC hardening, rebinding protection, and
cache sizing suited to a small VPS. Forwarding is included commented
out, with the trade stated rather than silently chosen.
Ports corrected to 5335:5335 — the old mapping assumed an image
listening on 53 internally. Added the libreportal.category/title labels
the app was missing (no traefik labels: it has no web interface).
Install hook copies the drop-in and repairs a stub directory first, the
same trap that kept Nextcloud's nginx from starting.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
56 lines
2.3 KiB
YAML
Executable File
56 lines
2.3 KiB
YAML
Executable File
networks:
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DOCKER_NETWORK_DATA: #LIBREPORTAL|DOCKER_NETWORK_TAG|DOCKER_NETWORK_DATA
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external: true
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services:
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unbound-service: #LIBREPORTAL|SERVICE_TAG_1|unbound-service
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container_name: unbound-service
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image: madnuttah/unbound:latest #LIBREPORTAL|UNBOUND_VERSION_TAG|latest
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restart: unless-stopped
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hostname: unbound
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# GLUETUN_OFF_BEGIN
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ports:
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- "PORTS_DATA_1" #LIBREPORTAL|PORTS_TAG_1|PORTS_DATA_1
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- "PORTS_DATA_2" #LIBREPORTAL|PORTS_TAG_2|PORTS_DATA_2
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# GLUETUN_OFF_END
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# No traefik labels: Unbound has no web interface, it is a resolver other
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# apps point at. The category/title labels are the ones the portal reads.
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labels:
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libreportal.category: "CATEGORY_DATA" #LIBREPORTAL|CATEGORY_TAG|CATEGORY_DATA
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libreportal.title: "TITLE_DATA" #LIBREPORTAL|TITLE_TAG|TITLE_DATA
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volumes:
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- SOCKET_DATA #LIBREPORTAL|SOCKET_TAG|SOCKET_DATA
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- /etc/ssl/certs:/etc/ssl/certs:ro
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# A drop-in, not a replacement: the image's own unbound.conf carries
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# `include-toplevel: /usr/local/unbound/conf.d/*.conf`, so ours adds to a
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# working recursive config maintained upstream instead of overriding it.
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# (The old image wanted a full config at /opt/unbound/etc/unbound — a
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# different path entirely, which is why this could not be a tag swap.)
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- "./conf.d:/usr/local/unbound/conf.d:ro"
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environment:
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- TZ=TIMEZONE_DATA #LIBREPORTAL|TIMEZONE_TAG|TIMEZONE_DATA
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healthcheck:
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disable: HEALTHCHECK_DATA #LIBREPORTAL|HEALTHCHECK_TAG|HEALTHCHECK_DATA
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# GLUETUN_OFF_BEGIN
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networks:
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DOCKER_NETWORK_DATA: #LIBREPORTAL|DOCKER_NETWORK_TAG|DOCKER_NETWORK_DATA
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ipv4_address: IP_DATA_1 #LIBREPORTAL|IP_TAG_1|IP_DATA_1
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# GLUETUN_OFF_END
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# GLUETUN_ON_BEGIN
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# network_mode: "container:gluetun-service"
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# GLUETUN_ON_END
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# >>> libreportal-monitoring >>>
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#unbound-exporter:
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# container_name: unbound-exporter
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# image: letsencrypt/unbound-exporter:latest
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# restart: unless-stopped
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# depends_on:
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# - unbound-service
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# command:
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# - "-unbound.host=tcp://unbound-service:8953"
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# - "-web.listen-address=:PORT_INTERNAL_DATA_3" #LIBREPORTAL|PORT_INTERNAL_TAG_3|PORT_INTERNAL_DATA_3
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# networks:
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# DOCKER_NETWORK_DATA: #LIBREPORTAL|DOCKER_NETWORK_TAG|DOCKER_NETWORK_DATA
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# <<< libreportal-monitoring <<<
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