Creating an ELK stack could not be easier.
Important:
- The
masterbranch (image:willdurand/elk:latestorwilldurand/elk:kibana-4.1.2) currently contains an image with Kibana 4.1.2, Elasticsearch 1.x, and Logstash 1.x; - Branch
kibana-4.4.2(image:willdurand/elk:kibana-4.4.2) provides Kibana 4.4.2, Elasticsearch 2.2, and Logstash 2.2; - Branch
kibana-4.5.4(image:willdurand/elk:kibana-4.5.4) provides Kibana 4.5.4, Elasticsearch 2.3, and Logstash 2.3; - Branch
kibana-5.x(image:willdurand/elk:kibana-5.x) provides Kibana 5.x, Elasticsearch 5.x, and Logstash 5.x.
$ 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.
elk:
image: willdurand/elk
ports:
- "8080:80"
volumes:
- /path/to/your/logstash/config:/etc/logstashElasticsearch 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.
elk:
image: willdurand/elk
ports:
- "8080:80"
volumes:
- /path/to/your/logstash/config:/etc/logstash
volumes_from:
- dataelk
dataelk:
image: busybox
volumes:
- /dataYou 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:
- /dataNote 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"
}
}
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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