Bugfix version for port reversal

Author: robert-bor

pom.xml

@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>spring-boot-docker-postgres</artifactId>
-    <version>0.4.0-SNAPSHOT</version>
+    <version>0.3.1</version>
     <packaging>jar</packaging>
     <groupId>nl.42</groupId>