diff --git a/.gitignore b/.gitignore
index 358487f..881f473 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.iml
 /target
-.idea
\ No newline at end of file
+.idea
+config.json
diff --git a/config.json.example b/config.json.example
new file mode 100644
index 0000000..90f45b2
--- /dev/null
+++ b/config.json.example
@@ -0,0 +1,9 @@
+{
+  "database": {
+    "hostname": "localhost",
+    "port": 3306,
+    "database": "itech",
+    "username": "itech",
+    "password": "123456"
+  }
+}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 5821b30..2418572 100644
--- a/pom.xml
+++ b/pom.xml
@@ -137,6 +137,7 @@
                     <minimumTokens>100</minimumTokens>
                     <sourceEncoding>${project.build.sourceEncoding}</sourceEncoding>
                     <printFailingErrors>true</printFailingErrors>
+                    <failOnViolation>false</failOnViolation>
                 </configuration>
                 <executions>
                     <execution>
diff --git a/src/main/java/de/hsel/itech/config/Configuration.java b/src/main/java/de/hsel/itech/config/Configuration.java
new file mode 100644
index 0000000..3c2b440
--- /dev/null
+++ b/src/main/java/de/hsel/itech/config/Configuration.java
@@ -0,0 +1,42 @@
+package de.hsel.itech.config;
+
+import com.google.gson.Gson;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@ToString
+@EqualsAndHashCode
+public class Configuration {
+
+    private static final String filename = "config.json";
+
+    @Getter
+    private Database database;
+
+
+
+    public static Configuration get() {
+        Gson gson = new Gson();
+
+        FileReader reader = null;
+        try {
+            reader = new FileReader(new File(filename));
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        }
+        assert reader != null;
+        return gson.fromJson(reader, Configuration.class);
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/config/Database.java b/src/main/java/de/hsel/itech/config/Database.java
new file mode 100644
index 0000000..2e78599
--- /dev/null
+++ b/src/main/java/de/hsel/itech/config/Database.java
@@ -0,0 +1,23 @@
+package de.hsel.itech.config;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Getter
+@ToString
+@EqualsAndHashCode
+public class Database {
+
+    String hostname;
+    int port;
+    String database;
+    String username;
+    String password;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/Database.java b/src/main/java/de/hsel/itech/db/Database.java
new file mode 100644
index 0000000..f624cb6
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/Database.java
@@ -0,0 +1,57 @@
+package de.hsel.itech.db;
+
+import de.hsel.itech.config.Configuration;
+import org.jetbrains.annotations.Nullable;
+
+import java.sql.*;
+
+/**
+ *
+ *
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+public class Database {
+
+    public Database() {
+
+    }
+
+    @Nullable
+    private Connection getConnection() {
+        Configuration config = Configuration.get();
+        try {
+            return DriverManager.getConnection("jdbc:mariadb://" + config.getDatabase().getHostname() + ":" + config.getDatabase().getPort() + "/" + config.getDatabase().getDatabase(), config.getDatabase().getUsername(), config.getDatabase().getPassword());
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public String getHello() {
+        Connection connection = getConnection();
+
+        String hello = "";
+        try {
+            assert connection != null;
+            PreparedStatement statement = connection.prepareStatement("SELECT * FROM test WHERE id = 1");
+            ResultSet resultSet = statement.executeQuery();
+            resultSet.next();
+            hello = resultSet.getString("hello");
+
+            connection.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return hello;
+
+    }
+
+
+
+
+
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Address.java b/src/main/java/de/hsel/itech/db/pojo/Address.java
new file mode 100644
index 0000000..f986fbf
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Address.java
@@ -0,0 +1,23 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Address {
+
+    private Customer customer;
+    private long id;
+    private String name;
+    private String street;
+    private String number;
+    private int zipCode;
+    private String city;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Author.java b/src/main/java/de/hsel/itech/db/pojo/Author.java
new file mode 100644
index 0000000..507893e
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Author.java
@@ -0,0 +1,19 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Author {
+
+    private long id;
+    private String name;
+
+}
diff --git a/src/main/java/de/hsel/itech/db/pojo/Book.java b/src/main/java/de/hsel/itech/db/pojo/Book.java
new file mode 100644
index 0000000..79160e1
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Book.java
@@ -0,0 +1,34 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.time.Year;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Book {
+
+    private int isbn;
+    private Author author;
+    private Publisher publisher;
+    private Category category;
+    private String title;
+    private Year year;
+
+    /**
+     * saved in cents
+     */
+    private int price;
+    private String description;
+    private String image;
+
+
+
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Category.java b/src/main/java/de/hsel/itech/db/pojo/Category.java
new file mode 100644
index 0000000..685ca42
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Category.java
@@ -0,0 +1,19 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Category {
+
+    private int id;
+    private String name;
+    private String image;
+}
diff --git a/src/main/java/de/hsel/itech/db/pojo/CreditCardPayment.java b/src/main/java/de/hsel/itech/db/pojo/CreditCardPayment.java
new file mode 100644
index 0000000..0a19e81
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/CreditCardPayment.java
@@ -0,0 +1,24 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.time.LocalDate;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class CreditCardPayment {
+
+    private long id;
+    private Customer customer;
+    private int number;
+    private String owner;
+    private LocalDate expiration;
+    private int checksum;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Customer.java b/src/main/java/de/hsel/itech/db/pojo/Customer.java
new file mode 100644
index 0000000..b06ab30
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Customer.java
@@ -0,0 +1,21 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Customer {
+
+    private long id;
+    private String email;
+    private String name;
+    private String password;
+    private boolean admin;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/DebitCardPayment.java b/src/main/java/de/hsel/itech/db/pojo/DebitCardPayment.java
new file mode 100644
index 0000000..3741404
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/DebitCardPayment.java
@@ -0,0 +1,21 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class DebitCardPayment {
+
+    private long id;
+    private Customer customer;
+    private String iban;
+    private String bic;
+    private String owner;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/InvoicePayment.java b/src/main/java/de/hsel/itech/db/pojo/InvoicePayment.java
new file mode 100644
index 0000000..acf8a5a
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/InvoicePayment.java
@@ -0,0 +1,18 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class InvoicePayment {
+
+    private long id;
+    private Customer customer;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Order.java b/src/main/java/de/hsel/itech/db/pojo/Order.java
new file mode 100644
index 0000000..c0f8a14
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Order.java
@@ -0,0 +1,29 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class Order {
+
+    private long id;
+    private LocalDateTime date;
+    private Book book;
+
+    /**
+     * price in cents
+     */
+    private int price;
+    private PaymentType paymentType;
+    private Address address;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/PayPalPayment.java b/src/main/java/de/hsel/itech/db/pojo/PayPalPayment.java
new file mode 100644
index 0000000..e5804ac
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/PayPalPayment.java
@@ -0,0 +1,20 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class PayPalPayment {
+
+    private long id;
+    private Customer customer;
+    private String email;
+    private String authCode;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/PaymentType.java b/src/main/java/de/hsel/itech/db/pojo/PaymentType.java
new file mode 100644
index 0000000..5f7e519
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/PaymentType.java
@@ -0,0 +1,18 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class PaymentType {
+
+    private long id;
+    private String name;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/Publisher.java b/src/main/java/de/hsel/itech/db/pojo/Publisher.java
new file mode 100644
index 0000000..c036d86
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/Publisher.java
@@ -0,0 +1,18 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ */
+
+@Data
+@AllArgsConstructor
+public class Publisher {
+
+    private long id;
+    private String name;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/db/pojo/ShoppingCart.java b/src/main/java/de/hsel/itech/db/pojo/ShoppingCart.java
new file mode 100644
index 0000000..375d01a
--- /dev/null
+++ b/src/main/java/de/hsel/itech/db/pojo/ShoppingCart.java
@@ -0,0 +1,20 @@
+package de.hsel.itech.db.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+
+@Data
+@AllArgsConstructor
+public class ShoppingCart {
+
+    private long id;
+    private Customer customer;
+    private Book article;
+    private int count;
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/servlet/Database.java b/src/main/java/de/hsel/itech/servlet/Database.java
new file mode 100644
index 0000000..7855d1f
--- /dev/null
+++ b/src/main/java/de/hsel/itech/servlet/Database.java
@@ -0,0 +1,40 @@
+package de.hsel.itech.servlet;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+/**
+ * @author Johannes Theiner
+ * @version 0.1
+ * @since 0.1
+ **/
+public class Database extends HttpServlet {
+
+    private static final long serialVersionUID = 15679036734L;
+
+    /**
+     * doGet.
+     *
+     * @param req  Request
+     * @param resp Response
+     * @throws IOException failed
+     */
+    @Override
+    protected void doGet(final HttpServletRequest req, final HttpServletResponse resp)
+            throws IOException {
+
+        resp.setContentType("text/html");
+        final PrintWriter out = resp.getWriter();
+        out.println("<html>");
+        out.println("<head>");
+        out.println("<title>Hallo Welt!</title>");
+        out.println("</head>");
+        out.println("<body>");
+        out.println("<h1>" + new de.hsel.itech.db.Database().getHello() + "</h1>");
+        out.println("</body>");
+        out.println("</html>");
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/hsel/itech/HelloWorld.java b/src/main/java/de/hsel/itech/servlet/HelloWorld.java
similarity index 76%
rename from src/main/java/de/hsel/itech/HelloWorld.java
rename to src/main/java/de/hsel/itech/servlet/HelloWorld.java
index 0d49078..9aa5a44 100644
--- a/src/main/java/de/hsel/itech/HelloWorld.java
+++ b/src/main/java/de/hsel/itech/servlet/HelloWorld.java
@@ -1,8 +1,9 @@
-package de.hsel.itech;
+package de.hsel.itech.servlet;
 
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
 
@@ -30,12 +31,15 @@ public class HelloWorld extends HttpServlet {
 
         resp.setContentType("text/html");
         final PrintWriter out = resp.getWriter();
+        out.println("<!DOCTYPE html>");
         out.println("<html>");
         out.println("<head>");
         out.println("<title>Hallo Welt!</title>");
         out.println("</head>");
         out.println("<body>");
-        out.println("<h1>Hallo Ostfriesland!</h1>");
+        out.println("<h1>Hallo Ostfriesland!</h1><br>");
+        out.println("<h3>" + System.getProperty("catalina.base") + "</h3><br>");
+        out.println("<h4>" + new File("").getAbsolutePath() +  "</h4>");
         out.println("</body>");
         out.println("</html>");
     }
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 7f3e851..391a545 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -7,11 +7,21 @@
 <web-app>
     <servlet>
         <servlet-name>helloWorld</servlet-name>
-        <servlet-class>de.hsel.itech.HelloWorld</servlet-class>
+        <servlet-class>de.hsel.itech.servlet.HelloWorld</servlet-class>
+    </servlet>
+
+    <servlet>
+        <servlet-name>database</servlet-name>
+        <servlet-class>de.hsel.itech.servlet.Database</servlet-class>
     </servlet>
 
     <servlet-mapping>
         <servlet-name>helloWorld</servlet-name>
         <url-pattern>/index</url-pattern>
     </servlet-mapping>
+
+    <servlet-mapping>
+        <servlet-name>database</servlet-name>
+        <url-pattern>/db</url-pattern>
+    </servlet-mapping>
 </web-app>
\ No newline at end of file