This simple example demonstrates how easy you can enable quite powerful and advanced log management in to your Spring Boot application using Docker.

Stack of frameworks/technologies:

• Spring Boot
• Swagger
• Logback
• Logstash
• ElasticSearch
• Kibana
• Docker

Prerequisites:

• docker version 1.10.3
• docker-compose version 1.6.2
• JDK8
• Maven

1. In order to run the application in docker you would need to build a docker image first. This simple maven command will to the trick: mvn clean package docker:build -Dmaven.test.skip=true
   Note: for Mac users it can be more difficult. Make sure that you have Environment variables properly exported. The easiest way to do this is the following command (https://docs.docker.com/machine/reference/env/): eval $(docker-machine env default)
   DOCKER_TLS_VERIFY=1
   DOCKER_HOST=tcp://192.168.99.100:2376; //you can find this value by typing: docker-machine ls
   DOCKER_CERT_PATH=/Users/{user}/.docker/machine/certs
   

2. Go to root of the project and run: docker-compose up -d Docker will pull all missing images and start new containers. After a while you would be ready to use the app.

3. Run: docker ps -a. Find an image "javalogaggregation_web" and check the exposed port (For example 0.0.0.0:32808->8080/tcp). You would be able to access the application by typing the following URL in the browser: http://192.168.99.100:32808/swagger-ui.html#!
   Note: ip address is a docker machine IP address. Here you can play with existing REST API.

4. In order to configure Kibana you would need to go to:
   http://localhost:5601/ or http://{$DOCKER_HOST_IP}:5601/
   Configure your Kibana and play with your logs.
   Note: For Mac users the port 5601 should be added to Port Forwarding Rules of you Docker Virtual Machine

Simply type: docker-compose down

user/user