Image Overview: promtail

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This image contains the promtail application for log aggregation. promtail is the log aggregator that ships logs to Loki and/or Prometheus. It runs as an agent and scrapes logs from files, containers, and hosts and ships them to a logging backend.

Get It!

The image is available on cgr.dev:

docker pull cgr.dev/chainguard/promtail:latest

Use It!

The image can be run directly and sets the promtail binary as the entrypoint with a default configuration:

docker run cgr.dev/chainguard/promtail:latest
level=info ts=2023-09-02T14:01:20.497084554Z caller=promtail.go:133 msg="Reloading configuration file" md5sum=64f8f10a58e874375abaf4e9f7632b07
level=info ts=2023-09-02T14:01:20.497604554Z caller=server.go:323 http=[::]:9080 grpc=[::]:41909 msg="server listening on addresses"
level=info ts=2023-09-02T14:01:20.497705346Z caller=main.go:174 msg="Starting Promtail" version="(version=2.8.4, branch=HEAD, revision=89d282c)"
level=warn ts=2023-09-02T14:01:20.497754387Z caller=promtail.go:265 msg="enable watchConfig"

This image is a drop-in replacement for official image at grafana/promtail. See documentation there for how to configure it.