diff --git a/.dockerignore b/.dockerignore
index 01fe4bb..08b484c 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,2 +1,3 @@
 *
-!/target/struts-cookbook.war
+!/entrypoint.sh
+!/target/extracted
diff --git a/Dockerfile b/Dockerfile
index 92dfddb..0601e13 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,9 @@
-FROM docker.io/tomcat:9.0.87-jre21-temurin-jammy
-COPY target/struts-cookbook.war /usr/local/tomcat/webapps/
+FROM docker.io/azul/zulu-openjdk:21.0.1-21.30.15
+WORKDIR /app
+COPY target/extracted/dependencies/ ./
+COPY target/extracted/spring-boot-loader/ ./
+COPY target/extracted/snapshot-dependencies/ ./
+COPY target/extracted/application/ ./
+COPY entrypoint.sh ./
 
+ENTRYPOINT ["./entrypoint.sh"]
\ No newline at end of file
diff --git a/README.md b/README.md
index d90f55a..83aeee7 100755
--- a/README.md
+++ b/README.md
@@ -14,4 +14,4 @@ How to run
 
 - Open the following URL with your browser.
 
-http://localhost:8080/struts-cookbook/
\ No newline at end of file
+http://localhost:8080/
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 0000000..8902b74
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -eu
+
+main() {
+  launch
+}
+
+launch() {
+  java \
+    ${DEBUG_PORT:+ -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:${DEBUG_PORT}} \
+    "org.springframework.boot.loader.launch.WarLauncher"
+}
+
+main
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 3105a69..2f178e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,23 +25,24 @@
   <packaging>war</packaging>
   <name>Struts Apps - Cookbook</name>
   <version>1.0.0</version>
-
+  <properties>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
+  </properties>
+  <repositories>
+    <repository>
+      <id>local-repo</id>
+      <url>file:../mvn-repo</url>
+    </repository>
+  </repositories>
   <dependencies>
     <dependency>
-      <groupId>org.apache.struts</groupId>
-      <artifactId>struts-taglib</artifactId>
-      <version>1.3.10</version>
-    </dependency>
-    <dependency>
-      <groupId>javax.servlet</groupId>
-      <artifactId>servlet-api</artifactId>
-      <version>2.3</version>
-      <scope>provided</scope>
+      <groupId>io.github.iwauo.springing-struts</groupId>
+      <artifactId>struts1-core</artifactId>
+      <version>0.0.5</version>
     </dependency>
   </dependencies>
-   
   <build>
-    <finalName>${project.artifactId}</finalName>
     <resources>
       <resource>
         <directory>src/main/java</directory>
@@ -52,10 +53,14 @@
     </resources>
     <plugins>
       <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-war-plugin</artifactId>
-        <version>3.4.0</version>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-maven-plugin</artifactId>
+        <configuration>
+          <mainClass>springing.struts1.entrypoint.Main</mainClass>
+          <layout>WAR</layout>
+          <version>3.2.5</version>
+        </configuration>
       </plugin>
-    </plugins>     
+    </plugins>
   </build>
 </project>
diff --git a/scripts/start.sh b/scripts/start.sh
index a292f1c..0536584 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -5,8 +5,8 @@ set -eu
 SCRIPT_DIR=$(realpath "$(dirname $BASH_SOURCE)")
 PROJECT_BASE_DIR=$(realpath "$SCRIPT_DIR/..")
 
-APP_NAME=cookbook
-CONTAINER_NAME=springing-struts1-$APP_NAME
+APP_NAME=struts-cookbook
+CONTAINER_NAME=springing-struts-$APP_NAME
 DOCKER=$( (command -v podman &> /dev/null) && echo podman || echo docker )
 
 main() {
@@ -14,12 +14,24 @@ main() {
 }
 
 build() {
-  mvn clean package -U
+  mvn \
+    clean \
+    dependency:purge-local-repository \
+      -DreResolve=false \
+      -DactTransitively=false \
+      -DmanualInclude='io.github.iwauo.springing-struts' \
+    package -U \
+    spring-boot:repackage \
+  && java \
+    -Djarmode=layertools \
+    -jar target/$APP_NAME-*.war \
+    extract --destination target/extracted
 }
 
 start() {
   $DOCKER build -t $CONTAINER_NAME . \
-  && $DOCKER rm -f $CONTAINER_NAME \
+  && ($DOCKER stop -t 0 $CONTAINER_NAME || true) \
+  && ($DOCKER rm -f $CONTAINER_NAME || true) \
   && $DOCKER run -d \
        -p 8080:8080 \
        -p 5005:5005 \