migrate to springboot based app

Author: iwauo

.dockerignore

@@ -0,0 +1,3 @@
+*
+!/entrypoint.sh
+!/target/extracted

Dockerfile

@@ -1,3 +1,9 @@
-FROM docker.io/tomcat:9.0.87-jre21-temurin-jammy
-COPY target/struts-blank.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"]

entrypoint.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+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

pom.xml

@@ -1,53 +1,42 @@
 <?xml version="1.0"?>
-<!--
-    Licensed to the Apache Software Foundation (ASF) under one or more
-    contributor license agreements.  See the NOTICE file distributed with
-    this work for additional information regarding copyright ownership.
-    The ASF licenses this file to You under the Apache License, Version 2.0
-    (the "License"); you may not use this file except in compliance with
-    the License.  You may obtain a copy of the License at
-   
-         http://www.apache.org/licenses/LICENSE-2.0
-   
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-
-<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/maven-v4_0_0.xsd">
+<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/maven-v4_0_0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.struts</groupId>
   <artifactId>struts-blank</artifactId>
   <packaging>war</packaging>
   <name>Struts Apps - Blank</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>springing-struts</groupId>
+      <artifactId>struts1-core</artifactId>
+      <version>1.0.0</version>
     </dependency>
   </dependencies>
-   
   <build>
-    <finalName>${project.artifactId}</finalName>
     <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>
+</project>

scripts/deploy-local.sh

@@ -3,8 +3,8 @@
 SCRIPT_DIR=$(realpath $(dirname ${BASH_SOURCE[0]}))
 PROJECT_BASE_DIR=$(realpath $SCRIPT_DIR/..)
 
-APP_NAME=blank
-CONTAINER_NAME=springing-struts1-$APP_NAME
+APP_NAME=struts-blank
+CONTAINER_NAME=springing-struts-$APP_NAME
 DOCKER=$((which podman &> /dev/null) && echo podman || echo docker)
 
 main() {
@@ -14,7 +14,18 @@ main() {
 
 build() {
   (cd $PROJECT_BASE_DIR
-    mvn clean package -U
+    mvn \
+      clean \
+      dependency:purge-local-repository \
+        -DreResolve=false \
+        -DactTransitively=false \
+        -DmanualInclude='springing-struts' \
+      package -U \
+      spring-boot:repackage \
+    && java \
+      -Djarmode=layertools \
+      -jar target/$APP_NAME-*.war \
+      extract --destination target/extracted
   )
 }