refactor(pom): major cleanup of dependencies

pom.xml

@@ -20,34 +20,18 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>11</java.version>
-
-
-        <docker.image.prefix>hftstuttgart</docker.image.prefix>
-
-        <skipTests>true</skipTests>
     </properties>
 
     <dependencies>
         <dependency>
-            <groupId>com.github.zeripath</groupId>
-            <artifactId>java-gitea-api</artifactId>
-            <version>1.7.4</version>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java-core</artifactId>
+            <version>3.2.6</version>
         </dependency>
         <dependency>
-            <groupId>com.fasterxml.jackson.dataformat</groupId>
-            <artifactId>jackson-dataformat-xml</artifactId>
-            <version>2.9.8</version>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/org.json/json -->
-        <dependency>
-            <groupId>org.json</groupId>
-            <artifactId>json</artifactId>
-            <version>20180130</version>
-        </dependency>
-        <dependency>
-            <groupId>org.freemarker</groupId>
-            <artifactId>freemarker</artifactId>
-            <version>2.3.30</version>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java-transport-httpclient5</artifactId>
+            <version>3.2.6</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -58,33 +42,17 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.eclipse.jgit/org.eclipse.jgit -->
         <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13</version>
+            <groupId>org.eclipse.jgit</groupId>
+            <artifactId>org.eclipse.jgit</artifactId>
+            <version>5.7.0.202003110725-r</version>
         </dependency>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.code.gson</groupId>
-            <artifactId>gson</artifactId>
-            <version>2.8.6</version>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>29.0-jre</version>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/org.eclipse.jgit/org.eclipse.jgit -->
-        <dependency>
-            <groupId>org.eclipse.jgit</groupId>
-            <artifactId>org.eclipse.jgit</artifactId>
-            <version>5.7.0.202003110725-r</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>