create documentation

README.md

 # ShoppingApp
+> **_INFO:_**  Shopping list project with Spring Boot and REST 
 
+## Table of Contents
+1. [Run Application (MAVEN)](#run-application-maven)
+2. [Run Application (DOCKER)](#run-application-docker)
+3. [How to use Application](#how-to-use-application)
+
+## Run Application (MAVEN)
+Clone Repository:
+```sh
+git clone https://transfer.hft-stuttgart.de/gitlab/kebidge/shopping-app.git
+```
+Build Application:
+```sh
+mvn clean package
+```
+Run Spring-Boot Application:
+```sh
+mvn spring-boot:run
+```
+Application starts on port `8181`. Open in Browser:
+```sh
+localhost:8181
+```
+
+## Run Application (DOCKER)
+Run Docker Image
+```sh
+docker run -p 8181:8181 kebidge/shopping-app:jib
+```
+Application starts on port `8181`. Open in Browser:
+```sh
+localhost:8181
+```
+
+### Image Details
+tbd.
+
+## How to use Application
+tbd.
+
+
+[//]: # (reference links)
+
+   [Google Jib]: <https://cloud.google.com/java/getting-started/jib>
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src/main/resources/application.properties

@@ -4,6 +4,6 @@ spring.datasource.password=password
 
 spring.jpa.hibernate.ddl-auto=update
 
-server.port = 8081
+server.port = 8181
 
 logging.level.de.hftstuttgart=INFO
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