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Last pushed: 2 years ago
Short Description
Docker image for Fluentd with Elasticsearch plugin
Full Description

Fluentd docker image

This container image is to create endpoint to collect logs on your host.

docker run -d -p 24224:24224 -v /data:/fluentd/log fluent/fluentd

Default configurations are to:

  • listen port 24224 for fluentd forward protocol
  • store logs with tag docker.** into /fluentd/log/docker.*.log (and symlink docker.log)
  • store all other logs into /fluentd/log/data.*.log (and symlink data.log)

This image uses Alpine Linux. If you want to use Ubuntu based image, use ubuntu-base tag.

Configurable ENV variables

Environment variable below are configurable to control how to execute fluentd process:


It's for configuration file name, specified for -c.

If you want to use your own configuration file (without any optional plugins), you can use it over this ENV variable and -v option.

  1. write configuration file with filename yours.conf
  2. execute docker run with -v /path/to/dir:/fluentd/etc to share /path/to/dir/yours.conf in container, and -e FLUENTD_CONF=yours.conf to read it


Use this variable to specify other options, like -v or -q.

How to build your own image

It is very easy to use this image as base image. Write your Dockerfile and configuration files, and/or your own plugin files if needed.

FROM fluent/fluentd:latest
MAINTAINER your_name <...>
USER fluent
WORKDIR /home/fluent
ENV PATH /home/fluent/.gem/ruby/2.2.0/bin:$PATH
RUN gem install fluent-plugin-secure-forward
EXPOSE 24284
CMD fluentd -c /fluentd/etc/$FLUENTD_CONF -p /fluentd/plugins $FLUENTD_OPT

Files below are automatically included in build process:

fluent.conf: used instead of default file
plugins/*: copied into /fluentd/plugins and loaded at runtime


docker run --log-driver=fluentd --log-opt fluentd-address= IMAGE echo "Hello Fluentd"

Should produce a log-file with Hello Fluentd, depending on you fluent.conf file.


Docker Logging |

Fluentd logging driver - Docker Docs

Docker Pull Command

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