prometheus

Update docker.io/prom/alertmanager Docker tag to v0.31.0

Michi Kofler-Häusler

09 Feb 2026 — 1 min read

No issues with this by means of Docker-compose YAML automated GitOps minor update of the Alertmanager Docker container and on the K3s Kubernetes cluster by means of Flux with dependency update facilitated by Mend's Renovate Bot.

This MR contains the following updates:

Package	Update	Change
docker.io/prom/alertmanager	minor	`v0.30.1` → `v0.31.0`

Release Notes

prometheus/alertmanager (docker.io/prom/alertmanager)

`v0.31.0`: 0.31.0 / 2026-02-02

Compare Source

[ENHANCEMENT] docs(opsgenie): Fix description of api_url field. #4908
[ENHANCEMENT] docs(slack): Document missing app configs. #4871
[ENHANCEMENT] docs: Fix max-silence-size-bytes. #4805
[ENHANCEMENT] docs: Update expr for AlertmanagerClusterFailedToSendAlerts to exclude value 0. #4872
[ENHANCEMENT] docs: Use matchers for inhibit rules examples. #4131
[ENHANCEMENT] docs: add notification integrations. #4901
[ENHANCEMENT] docs: update slack_config attachments documentation links. #4802
[ENHANCEMENT] docs: update description of filter query params in openapi doc. #4810
[ENHANCEMENT] provider: Reduce lock contention. #4809
[FEATURE] slack: Add support for top-level text field in slack notification. #4867
[FEATURE] smtp: Add support for authsecret from file. #3087
[FEATURE] smtp: Customize the ssl/tls port support (#4757). #4818
[FEATURE] smtp: Enhance email notifier configuration validation. #4826
[FEATURE] telegram: Add chat_id_file configuration parameter. #4909
[FEATURE] telegram: Support global bot token. #4823
[FEATURE] webhook: Support templating in url fields. #4798
[FEATURE] wechat: Add config directive to pass api secret via file. #4734
[FEATURE] provider: Implement per alert limits. #4819
[BUGFIX] Allow empty group_by to override parent route. #4825
[BUGFIX] Set spellcheck=false attribute on silence filter input. #4811
[BUGFIX] jira: Fix for handling api v3 with ADF. #4756
[BUGFIX] jira: Prevent hostname corruption in cloud api url replacement. #4892

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