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Logspout with GELF adapter and TCP+TLS support

A logspout docker image with TLS support.

This image contains Logspout which is compiled with [GELF adapter] and originally forked from https://github.com/karlvr/logspout-gelf so you can forward Docker logs in GELF to a Graylog server.

Docker hub images

Images are published in the following registry, ghcr.io/mictsi/logspout-gelf-tls/logspout-gelf-tls and https://hub.docker.com/r/kthse/logspout-gelf-tls.

Keep in mind that i am moving away from Docker Hub to Github Registry.

Usage

Modify the docker compose file to point to your graylogserver and run it with the docker-compose command.

Use gelf://my.log.server:12201 as protocol for gelf over udp and gelf+tls://my.log.server:12201 for gelf over TCP+TLS

CLI example for gelf over udp

docker run -d --name=logspout --restart=unless-stopped -h $(hostname -f) -v /var/run/docker.sock:/var/run/docker.sock ghcr.io/mictsi/logspout-gelf-tls/logspout-gelf-tls:latest gelf://my.log.server:12201

CLI example for gelf over TCP and with TLS encryption

docker run -d --name=logspout --restart=unless-stopped -h $(hostname -f) -v /var/run/docker.sock:/var/run/docker.sock ghcr.io/mictsi/logspout-gelf-tls/logspout-gelf-tls:latest gelf+tls://my.log.server:12201

Docker Compose example

You could use this image with the following docker-compose file for unencrypted gelf messages over udp:

version: '3'

services:
  logspout:
    image: ghcr.io/mictsi/logspout-gelf-tls/logspout-gelf-tls:latest
    hostname: my.message.source
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    command: gelf://my.log.server:12201
    restart: unless-stopped

or the following for sending gelf message over TLS+TCP:

version: '3'

services:
  logspout:
    image: ghcr.io/mictsi/logspout-gelf-tls/logspout-gelf-tls:latest
    hostname: my.message.source
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    command: gelf+tls://my.log.server:12201
    restart: unless-stopped

Disclaimer

This image is provided as-is and only with best effort. We try to update this image with the latest Logspout stable version.

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