Add CHANGELOG entry and docs

Signed-off-by: Paschalis Tsilias <[email protected]>

CHANGELOG.md

@@ -81,8 +81,12 @@ Main (unreleased)
 - Add `max_cache_size` to `prometheus.relabel` to allow configurability instead of hard coded 100,000. (@mattdurham)
 
 - Add support for `http_sd_config` within a `scrape_config` for prometheus to flow config conversion. (@erikbaranowski)
+
 - `discovery.lightsail` now supports additional parameters for configuring HTTP client settings. (@ptodev)
 
+- `loki.source.docker` now deduplicates targets which report the same container
+  ID. (@tpaschalis)
+
 ### Bugfixes
 
 - Update `pyroscope.ebpf` to fix a logical bug causing to profile to many kthreads instead of regular processes https://github.com/grafana/pyroscope/pull/2778 (@korniltsev)

docs/sources/flow/reference/components/loki.source.docker.md

@@ -131,6 +131,11 @@ fully qualified name) to store its _positions file_. The positions file
 stores the read offsets so that if there is a component or Agent restart,
 `loki.source.docker` can pick up tailing from the same spot.
 
+In case the targets Argument contains multiple targets with the same container
+ID, for example as a result of `discovery.docker` picking up multiple exposed
+ports or networks, `loki.source.docker` will deduplicate these, keeping only
+the first of each container ID instances.
+
 ## Example
 
 This example collects log entries from the files specified in the `targets`