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Update prom/prometheus Docker tag to v3.10.0 #290

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peter merged 1 commits from renovate/prom-prometheus-3.x into master 2026-03-21 09:55:02 +01:00
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renovate-bot commented 2026-03-12 01:03:46 +01:00
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This PR contains the following updates:

Package Update Change
prom/prometheus minor v3.9.1 → v3.10.0

Release Notes

prometheus/prometheus (prom/prometheus)

v3.10.0: 3.10.0 / 2026-02-24

Compare Source

Prometheus now offers a distroless Docker image variant alongside the default
busybox image. The distroless variant provides enhanced security with a minimal
base image, uses UID/GID 65532 (nonroot) instead of nobody, and removes the
VOLUME declaration. Both variants are available with -busybox and -distroless
tag suffixes (e.g., prom/prometheus:latest-busybox, prom/prometheus:latest-distroless).
The busybox image remains the default with no suffix for backwards compatibility
(e.g., prom/prometheus:latest points to the busybox variant).

For users migrating existing named volumes from the busybox image to the distroless variant, the ownership can be adjusted with:

docker run --rm -v prometheus-data:/prometheus alpine chown -R 65532:65532 /prometheus

Then, the container can be started with the old volume with:

docker run -v prometheus-data:/prometheus prom/prometheus:latest-distroless

User migrating from bind mounts might need to ajust permissions too, depending on their setup.

  • [CHANGE] Alerting: Add alertmanager dimension to following metrics: prometheus_notifications_dropped_total, prometheus_notifications_queue_capacity, prometheus_notifications_queue_length. #​16355
  • [CHANGE] UI: Hide expanded alert annotations by default, enabling more information density on the /alerts page. #​17611
  • [FEATURE] AWS SD: Add MSK Role. #​17600
  • [FEATURE] PromQL: Add fill() / fill_left() / fill_right() binop modifiers for specifying default values for missing series. #​17644
  • [FEATURE] Web: Add OpenAPI 3.2 specification for the HTTP API at /api/v1/openapi.yaml. #​17825
  • [FEATURE] Dockerfile: Add distroless image variant using UID/GID 65532 and no VOLUME declaration. Busybox image remains default. #​17876
  • [FEATURE] Web: Add on-demand wall time profiling under <URL>/debug/pprof/fgprof. #​18027
  • [ENHANCEMENT] PromQL: Add more detail to histogram quantile monotonicity info annotations. #​15578
  • [ENHANCEMENT] Alerting: Independent alertmanager sendloops. #​16355
  • [ENHANCEMENT] TSDB: Experimental support for early compaction of stale series in the memory with configurable threshold stale_series_compaction_threshold in the config file. #​16929
  • [ENHANCEMENT] Service Discovery: Service discoveries are now removable from the Prometheus binary through the Go build tag remove_all_sd and individual service discoveries can be re-added with the build tags enable_<sd name>_sd. Users can build a custom Prometheus with only the necessary SDs for a smaller binary size. #​17736
  • [ENHANCEMENT] Promtool: Support promql syntax features promql-duration-expr and promql-extended-range-selectors. #​17926
  • [PERF] PromQL: Avoid unnecessary label extraction in PromQL functions. #​17676
  • [PERF] PromQL: Improve performance of regex matchers like .*-.*-.*. #​17707
  • [PERF] OTLP: Add label caching for OTLP-to-Prometheus conversion to reduce allocations and improve latency. #​17860
  • [PERF] API: Compute /api/v1/targets/relabel_steps in a single pass instead of re-running relabeling for each prefix. #​17969
  • [PERF] tsdb: Optimize LabelValues intersection performance for matchers. #​18069
  • [BUGFIX] PromQL: Prevent query strings containing only UTF-8 continuation bytes from crashing Prometheus. #​17735
  • [BUGFIX] Web: Fix missing X-Prometheus-Stopping header for /-/ready endpoint in NotReady state. #​17795
  • [BUGFIX] PromQL: Fix PromQL info() function returning empty results when filtering by a label that exists on both the input metric and target_info. #​17817
  • [BUGFIX] TSDB: Fix a bug during exemplar buffer grow/shrink that could cause exemplars to be incorrectly discarded. #​17863
  • [BUGFIX] UI: Fix broken graph display after page reload, due to broken Y axis min encoding/decoding. #​17869
  • [BUGFIX] TSDB: Fix memory leaks in buffer pools by clearing reference fields (Labels, Histogram pointers, metadata strings) before returning buffers to pools. #​17879
  • [BUGFIX] PromQL: info function: fix series without identifying labels not being returned. #​17898
  • [BUGFIX] OTLP: Filter __name__ from OTLP attributes to prevent duplicate labels. #​17917
  • [BUGFIX] TSDB: Fix division by zero when computing stale series ratio with empty head. #​17952
  • [BUGFIX] OTLP: Fix potential silent data loss for sum metrics. #​17954
  • [BUGFIX] PromQL: Fix smoothed interpolation across counter resets. #​17988
  • [BUGFIX] PromQL: Fix panic with @ modifier on empty ranges. #​18020
  • [BUGFIX] PromQL: Fix avg_over_time for a single native histogram. #​18058

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

  • If you want to rebase/retry this PR, check this box

This PR has been generated by Renovate Bot.

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [prom/prometheus](https://github.com/prometheus/prometheus) | minor | `v3.9.1` → `v3.10.0` | --- ### Release Notes <details> <summary>prometheus/prometheus (prom/prometheus)</summary> ### [`v3.10.0`](https://github.com/prometheus/prometheus/releases/tag/v3.10.0): 3.10.0 / 2026-02-24 [Compare Source](https://github.com/prometheus/prometheus/compare/v3.9.1...v3.10.0) Prometheus now offers a distroless Docker image variant alongside the default busybox image. The distroless variant provides enhanced security with a minimal base image, uses UID/GID 65532 (nonroot) instead of nobody, and removes the VOLUME declaration. Both variants are available with `-busybox` and `-distroless` tag suffixes (e.g., `prom/prometheus:latest-busybox`, `prom/prometheus:latest-distroless`). The busybox image remains the default with no suffix for backwards compatibility (e.g., `prom/prometheus:latest` points to the busybox variant). For users migrating existing **named** volumes from the busybox image to the distroless variant, the ownership can be adjusted with: ``` docker run --rm -v prometheus-data:/prometheus alpine chown -R 65532:65532 /prometheus ``` Then, the container can be started with the old volume with: ``` docker run -v prometheus-data:/prometheus prom/prometheus:latest-distroless ``` User migrating from bind mounts might need to ajust permissions too, depending on their setup. - \[CHANGE] Alerting: Add `alertmanager` dimension to following metrics: `prometheus_notifications_dropped_total`, `prometheus_notifications_queue_capacity`, `prometheus_notifications_queue_length`. [#&#8203;16355](https://github.com/prometheus/prometheus/issues/16355) - \[CHANGE] UI: Hide expanded alert annotations by default, enabling more information density on the `/alerts` page. [#&#8203;17611](https://github.com/prometheus/prometheus/issues/17611) - \[FEATURE] AWS SD: Add MSK Role. [#&#8203;17600](https://github.com/prometheus/prometheus/issues/17600) - \[FEATURE] PromQL: Add `fill()` / `fill_left()` / `fill_right()` binop modifiers for specifying default values for missing series. [#&#8203;17644](https://github.com/prometheus/prometheus/issues/17644) - \[FEATURE] Web: Add OpenAPI 3.2 specification for the HTTP API at `/api/v1/openapi.yaml`. [#&#8203;17825](https://github.com/prometheus/prometheus/issues/17825) - \[FEATURE] Dockerfile: Add distroless image variant using UID/GID 65532 and no VOLUME declaration. Busybox image remains default. [#&#8203;17876](https://github.com/prometheus/prometheus/issues/17876) - \[FEATURE] Web: Add on-demand wall time profiling under `<URL>/debug/pprof/fgprof`. [#&#8203;18027](https://github.com/prometheus/prometheus/issues/18027) - \[ENHANCEMENT] PromQL: Add more detail to histogram quantile monotonicity info annotations. [#&#8203;15578](https://github.com/prometheus/prometheus/issues/15578) - \[ENHANCEMENT] Alerting: Independent alertmanager sendloops. [#&#8203;16355](https://github.com/prometheus/prometheus/issues/16355) - \[ENHANCEMENT] TSDB: Experimental support for early compaction of stale series in the memory with configurable threshold `stale_series_compaction_threshold` in the config file. [#&#8203;16929](https://github.com/prometheus/prometheus/issues/16929) - \[ENHANCEMENT] Service Discovery: Service discoveries are now removable from the Prometheus binary through the Go build tag `remove_all_sd` and individual service discoveries can be re-added with the build tags `enable_<sd name>_sd`. Users can build a custom Prometheus with only the necessary SDs for a smaller binary size. [#&#8203;17736](https://github.com/prometheus/prometheus/issues/17736) - \[ENHANCEMENT] Promtool: Support promql syntax features `promql-duration-expr` and `promql-extended-range-selectors`. [#&#8203;17926](https://github.com/prometheus/prometheus/issues/17926) - \[PERF] PromQL: Avoid unnecessary label extraction in PromQL functions. [#&#8203;17676](https://github.com/prometheus/prometheus/issues/17676) - \[PERF] PromQL: Improve performance of regex matchers like `.*-.*-.*`. [#&#8203;17707](https://github.com/prometheus/prometheus/issues/17707) - \[PERF] OTLP: Add label caching for OTLP-to-Prometheus conversion to reduce allocations and improve latency. [#&#8203;17860](https://github.com/prometheus/prometheus/issues/17860) - \[PERF] API: Compute `/api/v1/targets/relabel_steps` in a single pass instead of re-running relabeling for each prefix. [#&#8203;17969](https://github.com/prometheus/prometheus/issues/17969) - \[PERF] tsdb: Optimize LabelValues intersection performance for matchers. [#&#8203;18069](https://github.com/prometheus/prometheus/issues/18069) - \[BUGFIX] PromQL: Prevent query strings containing only UTF-8 continuation bytes from crashing Prometheus. [#&#8203;17735](https://github.com/prometheus/prometheus/issues/17735) - \[BUGFIX] Web: Fix missing `X-Prometheus-Stopping` header for `/-/ready` endpoint in `NotReady` state. [#&#8203;17795](https://github.com/prometheus/prometheus/issues/17795) - \[BUGFIX] PromQL: Fix PromQL `info()` function returning empty results when filtering by a label that exists on both the input metric and `target_info`. [#&#8203;17817](https://github.com/prometheus/prometheus/issues/17817) - \[BUGFIX] TSDB: Fix a bug during exemplar buffer grow/shrink that could cause exemplars to be incorrectly discarded. [#&#8203;17863](https://github.com/prometheus/prometheus/issues/17863) - \[BUGFIX] UI: Fix broken graph display after page reload, due to broken Y axis min encoding/decoding. [#&#8203;17869](https://github.com/prometheus/prometheus/issues/17869) - \[BUGFIX] TSDB: Fix memory leaks in buffer pools by clearing reference fields (Labels, Histogram pointers, metadata strings) before returning buffers to pools. [#&#8203;17879](https://github.com/prometheus/prometheus/issues/17879) - \[BUGFIX] PromQL: info function: fix series without identifying labels not being returned. [#&#8203;17898](https://github.com/prometheus/prometheus/issues/17898) - \[BUGFIX] OTLP: Filter `__name__` from OTLP attributes to prevent duplicate labels. [#&#8203;17917](https://github.com/prometheus/prometheus/issues/17917) - \[BUGFIX] TSDB: Fix division by zero when computing stale series ratio with empty head. [#&#8203;17952](https://github.com/prometheus/prometheus/issues/17952) - \[BUGFIX] OTLP: Fix potential silent data loss for sum metrics. [#&#8203;17954](https://github.com/prometheus/prometheus/issues/17954) - \[BUGFIX] PromQL: Fix smoothed interpolation across counter resets. [#&#8203;17988](https://github.com/prometheus/prometheus/issues/17988) - \[BUGFIX] PromQL: Fix panic with `@` modifier on empty ranges. [#&#8203;18020](https://github.com/prometheus/prometheus/issues/18020) - \[BUGFIX] PromQL: Fix `avg_over_time` for a single native histogram. [#&#8203;18058](https://github.com/prometheus/prometheus/issues/18058) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My40LjIiLCJ1cGRhdGVkSW5WZXIiOiI0My40LjIiLCJ0YXJnZXRCcmFuY2giOiJtYXN0ZXIiLCJsYWJlbHMiOltdfQ==-->
renovate-bot added 1 commit 2026-03-12 01:03:47 +01:00
Update prom/prometheus Docker tag to v3.10.0 0f32669ed5
peter merged commit 4cf9b0713a into master 2026-03-21 09:55:02 +01:00
peter deleted branch renovate/prom-prometheus-3.x 2026-03-21 09:55:02 +01:00
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Reference: peter/homelab-docker-config#290
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