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Elasticsearch. Logstash. Kibana.

Creating an ELK stack could not be easier.

Important: this image embeds Kibana 4.0. If you want to use Kibana
3.1.0, you should rather use the
kibana-3.1.0
branch and its corresponding Docker tag.

Quick Start

$ docker run -p 8080:80 \
    -v /path/to/your/logstash/config:/etc/logstash \
    willdurand/elk

Then, browse: http://localhost:8080 (replace
localhost with your public IP address).

Your logstash configuration directory MUST contain at least one logstash configuration file. If several files are found in the configuration directory, logstash will use all of them, concatenated in lexicographical order, as the configuration.

Fig Configuration

elk:
  image: willdurand/elk
  ports:
    - "8080:80"
  volumes:
    - /path/to/your/logstash/config:/etc/logstash

Data

Elasticsearch data are located in the /data folder. It is probably a good idea
to mount a volume in order to preserve data integrity. You can create a data
only container
:

$ docker run -d -v /data --name dataelk busybox

Then, use it:

$ docker run -p 8080:80 \
    -v /path/to/your/logstash/config:/etc/logstash \
    --volumes-from dataelk \
    willdurand/elk

If you want to rely on the logstash agent for processing files, you have to
mount volumes as well, but you should rather only send logs to this container.

Fig Configuration

elk:
  image: willdurand/elk
  ports:
    - "8080:80"
  volumes:
    - /path/to/your/logstash/config:/etc/logstash
  volumes_from:
    - dataelk

dataelk:
  image: busybox
  volumes:
    - /data

Real Life Use Case

You can use this image to run an ELK stack that receives logs from your
production servers, using Logstash
Forwarder
:

elk:
  image: willdurand/elk
  ports:
    - "80:80"
    - "XX.XX.XX.XX:5043:5043"
  volumes:
    - /path/to/your/ssl/files:/etc/ssl
    - /path/to/your/logstash/config:/etc/logstash
  volumes_from:
    - dataelk

dataelk:
  image: busybox
  volumes:
    - /data

Note that the 5043 port is binded to a private IP address in this case, which
is recommended. Kibana is publicly available though.

Your logstash configuration SHOULD contain the following input definition:

input {
  lumberjack {
    port => 5043
    ssl_certificate => "/etc/ssl/logstash-forwarder.crt"
    ssl_key => "/etc/ssl/logstash-forwarder.key"
  }
}

Extend It

One of the Docker best practices is to avoid mapping a host folder to a
container volume. Instead of specifying a volume, it is recommended to use this
image as base image and configure your own image.

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Owner
sheershoff
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