diff --git a/docker-modules/docker-internal-dto/pom.xml b/docker-modules/docker-internal-dto/pom.xml
deleted file mode 100644
index 467d46e7ae..0000000000
--- a/docker-modules/docker-internal-dto/pom.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<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>docker-internal-dto</artifactId>
-    <name>docker-internal-dto</name>
-
-    <parent>
-        <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker-modules</artifactId>
-        <version>0.0.1</version>
-    </parent>
-
-</project>
diff --git a/docker-modules/docker-internal-dto/src/main/java/com/baeldung/docker/dto/VariableDto.java b/docker-modules/docker-internal-dto/src/main/java/com/baeldung/docker/dto/VariableDto.java
deleted file mode 100644
index 2de3b734ea..0000000000
--- a/docker-modules/docker-internal-dto/src/main/java/com/baeldung/docker/dto/VariableDto.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.baeldung.docker.dto;
-
-public class VariableDto {
-
-    private final String value;
-
-    public VariableDto(String value) {
-        this.value = value;
-    }
-
-    public String getValue() {
-        return value;
-    }
-}
diff --git a/docker-modules/docker-push-to-private-repo/pom.xml b/docker-modules/docker-push-to-private-repo/pom.xml
index c45baa65c3..a7b3a4db52 100644
--- a/docker-modules/docker-push-to-private-repo/pom.xml
+++ b/docker-modules/docker-push-to-private-repo/pom.xml
@@ -4,14 +4,14 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>docker-push-to-private-repo</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>docker-push-to-private-repo</name>
     <description>Example application to showcase how to push a docker image to a private repository</description>
 
     <parent>
-        <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker-modules</artifactId>
-        <version>0.0.1</version>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/docker-modules/docker-sample-app/pom.xml b/docker-modules/docker-sample-app/pom.xml
index 893fb4ebe2..56b32c9c2c 100644
--- a/docker-modules/docker-sample-app/pom.xml
+++ b/docker-modules/docker-sample-app/pom.xml
@@ -7,10 +7,11 @@
     <name>docker-sample-app</name>
     <description>Demo project for Spring Boot and Docker</description>
 
-    <parent>
-        <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker-modules</artifactId>
-        <version>0.0.1</version>
+     <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/docker-modules/docker-spring-boot-postgres/pom.xml b/docker-modules/docker-spring-boot-postgres/pom.xml
index 7a4ed1db3c..48c8ed64d8 100644
--- a/docker-modules/docker-spring-boot-postgres/pom.xml
+++ b/docker-modules/docker-spring-boot-postgres/pom.xml
@@ -3,7 +3,7 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung.docker</groupId>
+    <groupId>com.baeldung</groupId>
     <artifactId>docker-spring-boot-postgres</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>docker-spring-boot-postgres</name>
diff --git a/docker-modules/docker-spring-boot/pom.xml b/docker-modules/docker-spring-boot/pom.xml
index 22a5e254fe..1022f916c8 100644
--- a/docker-modules/docker-spring-boot/pom.xml
+++ b/docker-modules/docker-spring-boot/pom.xml
@@ -7,10 +7,11 @@
     <name>docker-spring-boot</name>
     <description>Demo project showing Spring Boot and Docker</description>
 
-    <parent>
-        <groupId>com.baeldung.docker</groupId>
-        <artifactId>docker-modules</artifactId>
-        <version>0.0.1</version>
+     <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
diff --git a/docker-modules/pom.xml b/docker-modules/pom.xml
index 87c7960a7f..f17832c4eb 100644
--- a/docker-modules/pom.xml
+++ b/docker-modules/pom.xml
@@ -3,22 +3,19 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung.docker</groupId>
+    <groupId>com.baeldung</groupId>
     <artifactId>docker-modules</artifactId>
-    <version>0.0.1</version>
+    <version>1.0.0-SNAPSHOT</version>
     <name>docker-modules</name>
-    <description>Demo project showing Spring Boot and Docker</description>
     <packaging>pom</packaging>
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2</relativePath>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
     </parent>
 
     <modules>
-        <module>docker-internal-dto</module>
         <module>docker-spring-boot</module>
         <module>docker-sample-app</module>
         <module>docker-caching/single-module-caching</module>