diff --git a/prototype/eCommerce_config.yml b/prototype/eCommerce_config.yml
index e0bb4cd..c46e0cc 100644
--- a/prototype/eCommerce_config.yml
+++ b/prototype/eCommerce_config.yml
@@ -6,3 +6,16 @@ installationName: Fast-Web-Shop
 numberOfStorageSpaces: 128
 parcelServiceApiURL: https://dhl.api.ecommerce.mosad.xyz
 parcelServiceName: DHL International GmbH
+suppliers:
+- apiURL: https://reichelt.api.ecommerce.mosad.xyz
+  companyAddress: {cityName: Sande, countryName: Germany, houseNumber: '1', streetName: Elektronikring,
+    zipCode: '26452'}
+  deliveryTime: 4
+  id: d41d8cd98f00b204e9800998ecf8427e
+  name: Reichelt elektronik GmbH & Co. KG
+- apiURL: https://conrad.api.ecommerce.mosad.xyz
+  companyAddress: {cityName: Hirschau, countryName: Germany, houseNumber: '1', streetName: Klaus-Conrad-Straße,
+    zipCode: '92240'}
+  deliveryTime: 5
+  id: 18a17da5bac1cf00551b08c3e98720f5
+  name: Conrad Electronic SE
diff --git a/prototype/src/main/java/org/hso/ecommerce/app/InitController.java b/prototype/src/main/java/org/hso/ecommerce/app/InitController.java
deleted file mode 100644
index 9860b95..0000000
--- a/prototype/src/main/java/org/hso/ecommerce/app/InitController.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package org.hso.ecommerce.app;
-
-import org.hso.ecommerce.app.config.AppSettings;
-import org.springframework.stereotype.Component;
-
-import javax.annotation.PostConstruct;
-
-@Component
-public class InitController {
-
-    @PostConstruct
-    public void init() {
-        System.out.println("Initialize!");
-
-
-        AppSettings appSettings =  AppSettings.getInstance();
-        //appSettings.writeDemoConfig();
-        appSettings.readConfig();
-
-    }
-}
diff --git a/prototype/src/main/java/org/hso/ecommerce/app/config/AppSettings.java b/prototype/src/main/java/org/hso/ecommerce/app/config/AppSettings.java
index c7da089..0f5d40d 100644
--- a/prototype/src/main/java/org/hso/ecommerce/app/config/AppSettings.java
+++ b/prototype/src/main/java/org/hso/ecommerce/app/config/AppSettings.java
@@ -9,21 +9,42 @@ import org.springframework.stereotype.Component;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.Constructor;
 
+import javax.annotation.PostConstruct;
+
 @Component
 public class AppSettings {
-	private static AppSettings instance;
 
-	private AppSettings() {
-		// constructor
-	}
-
-	public static AppSettings getInstance() {
-		if (instance == null) {
-			instance = new AppSettings();
-		}
-		return instance;
+	private static YAMLData data;
+
+	private static String installationName;
+	private static String companyName;
+	private static Address companyAddress;
+	private static int numberOfStorageSpaces;
+	private static List<YAMLData.Supplier> suppliers;
+	private static String parcelServiceName;
+	private static String parcelServiceApiURL;
+
+	@PostConstruct
+	/**
+	 * on initialization read the config and store the data in static objects
+	 */
+	public void init() {
+		data = readConfig();
+
+		installationName = data.getInstallationName();
+		companyName = data.getCompanyName();
+		companyAddress = data.getCompanyAddress();
+		numberOfStorageSpaces = data.getNumberOfStorageSpaces();
+		suppliers = data.getSuppliers();
+		parcelServiceName = data.getParcelServiceName();
+		parcelServiceApiURL = data.getParcelServiceApiURL();
+
+		System.out.println("Initialised Settings!");
 	}
 
+	/**
+	 * write a demo config file
+	 */
 	public void writeDemoConfig() {
 		YAMLData data = new YAMLData();
 		data.setInstallationName("Fast-Web-Shop");
@@ -36,16 +57,35 @@ public class AppSettings {
 				"Germany"
 		));
 		data.setNumberOfStorageSpaces(128);
-		
-//		List<YAMLData.Supplier> suppliers = new ArrayList<YAMLData.Supplier>();
-//		suppliers.add(new YAMLData.Supplier("Reichelt elektronik GmbH & Co. KG", "d41d8cd98f00b204e9800998ecf8427e",
-//				"https://reichelt.api.ecommerce.mosad.xyz",
-//				new Address("Elektronikring", "1", "26452", "Sande", "Germany"), 4));
-//		suppliers.add(new YAMLData.Supplier("Conrad Electronic SE", "18a17da5bac1cf00551b08c3e98720f5",
-//				"https://conrad.api.ecommerce.mosad.xyz",
-//				new Address("Klaus-Conrad-Straße", "1", "92240", "Hirschau", "Germany"), 5));
-//
-//		data.setSuppliers(suppliers);
+
+		List<YAMLData.Supplier> suppliers = new ArrayList<>();
+		suppliers.add(new YAMLData.Supplier(
+				"Reichelt elektronik GmbH & Co. KG",
+				"d41d8cd98f00b204e9800998ecf8427e",
+				"https://reichelt.api.ecommerce.mosad.xyz",
+				4,
+				new Address(
+						"Elektronikring",
+						"1",
+						"26452",
+						"Sande",
+						"Germany"
+				)
+		));
+		suppliers.add(new YAMLData.Supplier(
+				"Conrad Electronic SE",
+				"18a17da5bac1cf00551b08c3e98720f5",
+				"https://conrad.api.ecommerce.mosad.xyz",
+				5,
+				new Address(
+						"Klaus-Conrad-Straße",
+						"1",
+						"92240",
+						"Hirschau",
+						"Germany"
+				)
+		));
+		data.setSuppliers(suppliers);
 
 		data.setParcelServiceName("DHL International GmbH");
 		data.setParcelServiceApiURL("https://dhl.api.ecommerce.mosad.xyz");
@@ -59,14 +99,19 @@ public class AppSettings {
 
 	}
 
+	/**
+	 * read a config file named "eCommerce_config.yml" from the applications root directory
+	 * @return the settings as YAMLData object
+	 */
 	public YAMLData readConfig() {
 		YAMLData data = new YAMLData();
 
 		try (InputStream inputStream = new FileInputStream("./eCommerce_config.yml")) {
 			Yaml yaml = new Yaml(new Constructor(YAMLData.class));
 			data = yaml.load(inputStream);
-
-			System.out.println(data.getCompanyName());
+		} catch (FileNotFoundException e) {
+			System.err.println("The file \"eCommerce_config.yml\" has not been found, please create a valid Configuration file.");
+			e.printStackTrace();
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
@@ -74,4 +119,35 @@ public class AppSettings {
 		return data;
 	}
 
+	public static YAMLData getData() {
+		return data;
+	}
+
+	public static String getInstallationName() {
+		return installationName;
+	}
+
+	public static String getCompanyName() {
+		return companyName;
+	}
+
+	public static Address getCompanyAddress() {
+		return companyAddress;
+	}
+
+	public static int getNumberOfStorageSpaces() {
+		return numberOfStorageSpaces;
+	}
+
+	public static List<YAMLData.Supplier> getSuppliers() {
+		return suppliers;
+	}
+
+	public static String getParcelServiceName() {
+		return parcelServiceName;
+	}
+
+	public static String getParcelServiceApiURL() {
+		return parcelServiceApiURL;
+	}
 }
\ No newline at end of file
diff --git a/prototype/src/main/java/org/hso/ecommerce/app/config/YAMLData.java b/prototype/src/main/java/org/hso/ecommerce/app/config/YAMLData.java
index 3bfd1d0..eb0dd60 100644
--- a/prototype/src/main/java/org/hso/ecommerce/app/config/YAMLData.java
+++ b/prototype/src/main/java/org/hso/ecommerce/app/config/YAMLData.java
@@ -1,12 +1,14 @@
 package org.hso.ecommerce.app.config;
 
+import java.util.List;
+
 public class YAMLData {
 
 	private String installationName;
 	private String companyName;
 	private Address companyAddress;
 	private int numberOfStorageSpaces;
-	//private List<Supplier> suppliers;
+	private List<Supplier> suppliers;
 	private String parcelServiceName;
 	private String parcelServiceApiURL;
 	
@@ -35,14 +37,12 @@ public class YAMLData {
 	public void setNumberOfStorageSpaces(int numberOfStorageSpaces) {
 		this.numberOfStorageSpaces = numberOfStorageSpaces;
 	}
-	/*
 	public List<Supplier> getSuppliers() {
 		return suppliers;
 	}
 	public void setSuppliers(List<Supplier> suppliers) {
 		this.suppliers = suppliers;
 	}
-	*/
 	public String getParcelServiceName() {
 		return parcelServiceName;
 	}
@@ -116,27 +116,68 @@ public class YAMLData {
 			this.countryName = countryName;
 		}
 	}
-/*
+
 	public static class Supplier {
 
 		public String name;
 		public String id;
 		public String apiURL;
-		public Address companyAddress;
 		public int deliveryTime;
+		public Address companyAddress;
+
 
 		public Supplier() {
 			// needed by snakeyaml
 		}
 
-		public Supplier(String name, String id, String apiURL, Address companyAddress, int deliveryTime) {
+		public Supplier(String name, String id, String apiURL, int deliveryTime, Address companyAddress) {
 			this.name = name;
 			this.id = id;
 			this.apiURL = apiURL;
+			this.deliveryTime = deliveryTime;
 			this.companyAddress = companyAddress;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public String getId() {
+			return id;
+		}
+
+		public void setId(String id) {
+			this.id = id;
+		}
+
+		public String getApiURL() {
+			return apiURL;
+		}
+
+		public void setApiURL(String apiURL) {
+			this.apiURL = apiURL;
+		}
+
+		public int getDeliveryTime() {
+			return deliveryTime;
+		}
+
+		public void setDeliveryTime(int deliveryTime) {
 			this.deliveryTime = deliveryTime;
 		}
 
+		public Address getCompanyAddress() {
+			return companyAddress;
+		}
+
+		public void setCompanyAddress(Address companyAddress) {
+			this.companyAddress = companyAddress;
+		}
+
 	}
-	*/
+
 }
diff --git a/prototype/src/main/java/org/hso/ecommerce/components/SlotInitializer.java b/prototype/src/main/java/org/hso/ecommerce/components/SlotInitializer.java
index ce8c39b..ba0e2a8 100644
--- a/prototype/src/main/java/org/hso/ecommerce/components/SlotInitializer.java
+++ b/prototype/src/main/java/org/hso/ecommerce/components/SlotInitializer.java
@@ -1,5 +1,6 @@
 package org.hso.ecommerce.components;
 
+import org.hso.ecommerce.app.config.AppSettings;
 import org.hso.ecommerce.entities.warehouse.Slot;
 import org.hso.ecommerce.repos.warehouse.SlotRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -13,8 +14,7 @@ public class SlotInitializer {
     @Autowired
     private final SlotRepository slotRepository = null;
 
-    // TODO: use values form cfg.
-    private final int NUM_SLOTS = 50;
+    private final int NUM_SLOTS = AppSettings.getNumberOfStorageSpaces();
 
     @PostConstruct
     public void init() {