Dark theme for the Prometheus Alertmanager web UI — Alertmanager itself unmodified
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A dark theme for the Prometheus Alertmanager web UI, shipped as a drop-in Docker image.
This is an independent, community-made theme. It is not affiliated with, endorsed by, or sponsored by the Prometheus project. All credit for Alertmanager itself goes to The Prometheus Authors.
Source code, docs & issues: https://github.com/schnippi78/alertmanager-dark (MIT licensed)
Alertmanager's UI is compiled into the binary, so there is nothing to swap out. Instead of forking and rebuilding it, a tiny nginx reverse proxy sits in front and injects one dark stylesheet into the HTML. The Alertmanager binary and its UI run completely unmodified — same version, same behaviour, no lock-in.
Drop-in replacement for prom/alertmanager — same flags, same port 9093:
docker run -d \
-p 9093:9093 \
-v $(pwd)/alertmanager.yml:/etc/alertmanager/alertmanager.yml:ro \
schnippi78/alertmanager-dark:latest
Open http://localhost:9093 for the dark UI.
latest, v0.33.1 — the number matches the bundled upstream Alertmanager version.docker build --build-arg AM_VERSION=v0.27.0 ...Prometheus Alertmanager © The Prometheus Authors, licensed under Apache 2.0; this image redistributes its unmodified binaries. The theme and glue code are original work by schnippi78 under the MIT License. Full attribution and details on GitHub: https://github.com/schnippi78/alertmanager-dark
Content type
Image
Digest
sha256:78b326cb6…
Size
58.7 MB
Last updated
4 months ago
docker pull schnippi78/alertmanager-dark