Readme and requirements

README.md

@@ -11,6 +11,13 @@ This README aims to document functionality of backend as well as required steps
 
 - Clone repository:
   `git clone git@bitbucket.org:enreda/back-latienda.git`
+
+- Use docker image for Postgis
+
+```
+docker run --name postgis -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=postgres -d -p 5432:5432 postgis/postgis
+```
+
 - Create file `.env` from `example.env` and populate fields correctly
 
 From inside the project's folder: