Update README.md

README.md

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 # sql-learning-workshop
-A workshop for learning SQL on PostgreSQL
+
+A workshop that gives an overview of SQL on PostgreSQL 12 as well as an overview of some database features.
+
+## Requires
+
+* docker
+* docker-compose
+
+## Setup
+
+1. Clone repository
+2. Navigate to repo directory
+3. Execute `./wsinit`
+4. Execute `./ctbash`
+5. Execute `pipenv install`
+6. Execute `pipenv shell`
+7. Open a new terminal and navigate to the repo dir.
+8. Execute `./ctpsql`
+
+Exercises are available in the workshop subdirectory
+
+## Teardown
+
+### ctpsql
+
+1. Enter `\q` or press `Ctrl+D`
+
+### ctbash
+
+1. Enter `exit` or press `Ctrl+D` (do this twice, once to exit pipenv shell, the next to exit the container)
+
+Finally execute `./wskill`
+
+## Contents
+
+This workshop will provide a PostgreSQL 12 database via docker. It will build a pgAdmin and a Grafana image with pre-set configrations and launch the containers.