Eleasticsearch/Kibana workshop

Playground setup

Install docker:
- Windows: Install Docker for Windows with WSL2 backend from here
- Linux: Install using apt-get or any other package manager according to this instruction
Open terminal/shell
Go to playground folder
Run command:
```
docker-compose up
```
After containers spinup you should be able to access:
- ElasticSearch
- Kibana
Install python 3 - it will be necessary to run some examples.

Lessons

Lesson 1 - Setting up new index with lifecycle policy

Lesson 2 - Using logger

Lesson 3 - Using ElasticSearch REST API

Lesson 4 - Aggregations

Lesson 5 - Visualizations, Dashboards and Searches