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Setup ELK & Filebeat using docker

This article will show you how to use sebp/elk to set up the ELK and config it receives log messages from Filebeat.

Step 1: Setup ELK using sebp/elk docker image

sudo docker run -p 5601:5601 -p 9200:9200  -p 5044:5044     -v /home/ubuntu/elk/elk-data:/var/lib/elasticsearch --name elk sebp/elk;

Here is the sebp/elk document.

Few things need to modify:

  • modify Logstash configuration
  • modify Filebeat configuration

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Modify Logstash Configuration

Find ELK docker container id using the command:

sudo docker ps 

Go inside the container using the command:

sudo docker exec -it [container_id] /bin/bash

Modify /etc/logstash/conf.d/30-output.conf like content below, type the index value to whichever you like , here I use “app-” as index prefix.

output {
  elasticsearch {
    hosts => ["localhost"]
    manage_template => false
    index => "app-%{[@metadata][beat]}-%{+YYYY.MM.dd}"

Modify Filebeat Configuration

Modify /etc/logstash/conf.d/02-beats-input.conf like content below , this will listen on port 5044 to receive Filebeat input.

input {
   beats {
     port => 5044

Once two steps above are done, remember to restart your docker container using the command :

sudo docker restart [container_id]

Step 2: Setup Filebeat using docker

sudo docker run -d   --name=filebeat-meshare   --user=root   --volume="$(pwd)/filebeat.docker.yml:/usr/share/filebeat/filebeat.yml:ro"   --volume="/var/lib/docker/containers:/var/lib/docker/containers:ro"   --volume="/var/run/docker.sock:/var/run/docker.sock:ro" --volume="$(pwd)/log:/log" filebeat -e -strict.perms=false

Below is the Filebeat configuration file, modify it as you need. For example the log path you should modify to use your own.


- type: log
  - /log/*.log
  hosts: [""]

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