Improve README.md (#42)

README.md

@@ -1,3 +1,27 @@
 # Timetable
+[![Test](https://github.com/VulderApp/Timetable/actions/workflows/test.yml/badge.svg)](https://github.com/VulderApp/Timetable/actions/workflows/test.yml)
 
-Timetable service for getting school branches and timetables 
+Microservice for getting school branches and timetables 
+
+## Run development server
+```bash
+$ docker-compose -f docker-compose.dev.yml up -d
+$ dotnet restore
+$ dotnet watch --project ./src/Vulder.Timetable.Api
+```
+
+## Build a release
+```bash
+$ dotnet restore
+$ dotnet build
+$ dotnet publish ./src/Vulder.Timetable.Api -c Release
+```
+
+## Build a docker image
+```bash
+$ docker build -t vulderapp/timetable:release .
+```
+## Run a docker image
+```bash
+$ docker run -p 80:80 -e BASE_API_URL=api_url -e REDIS_CONNECTION_STRING=connection_string vulderapp/timetable:release
+```