How to Setup ELK Stack with Docker for Development

how-to-setup-elk-stack-with-docker-for-development

This tip shows the fastest way to stand up the ELK stack for development.

The Elastic stack has a nice website that provides the links to the docker images and documentation. In this example, I am using the latest version as this article is written - v6.4.3 for all the elastic stack.

1. Run ElasticSearch

docker run -d --name my-es -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:6.4.3

After the container starts running, find out the internal docker IP the ElasticSearch server is using. This will be used for configuring the Logstash and Kibana.

docker inspect -f '{{ .NetworkSettings.IPAddress }}' my-es

2. Run Logstash

Create a configuration file in the host directory, and bind mount to the container configuration file.

vim ~/elk/config/logstash.conf 

Enter the following and save with :wq. Note that we created an index pattern that starts with leafyjava-.

input {
    tcp {
        port => 5050
        codec => json
    }
}

output {
    elasticsearch {
        hosts => ["http://172.17.0.7:9200"]
        index => "leafyjava-%{appName}"
    }
}

Run the container. We need to use -f flag to ask Logstash to use the config file we just bound.

docker run -d --name my-logstash -p 5050:5050 -v ~/elk/config/logstash.conf:/config-dir/logstash.conf docker.elastic.co/logstash/logstash:6.4.3 -f /config-dir/logstash.conf

3. Run Kibana

docker run -d --name my-kibana -e "ELASTICSEARCH_URL=http://172.17.0.7:9200" -p 5601:5601 docker.elastic.co/kibana/kibana:6.4.3

Go to localhost:5601, and you will see the Kibana console up and running. Now you are ready for integrating your applications to use this elastic stack.

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