Setup servlet project. Setup docker

.gitignore

@@ -0,0 +1,2 @@
+target/
+.vscode/

Dockerfile

@@ -0,0 +1,3 @@
+FROM tomcat
+
+COPY ./target/amazon-scrapi*.war /usr/local/tomcat/webapps/

docker-compose/docker-compose.yml

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+services:
+  amazon-scrapi:
+    container_name: amazon-scrapi
+    ports:
+      - 8080:8080
+    #volumes:
+      #- ./dir:/dir
+    image: amazon-scrapi:alpha

pom.xml

@@ -1,13 +1,27 @@
 <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>com.veritablevalor.blizliam</groupId>
   <artifactId>amazon-scrapi</artifactId>
-  <packaging>jar</packaging>
+  <packaging>war</packaging>
   <version>1.0-SNAPSHOT</version>
   <name>amazon-scrapi</name>
   <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>11</maven.compiler.target>
+  </properties>
+
   <dependencies>
+    <dependency>
+      <groupId>jakarta.servlet</groupId>
+      <artifactId>jakarta.servlet-api</artifactId>
+      <version>6.0.0</version>
+      <scope>provided</scope>
+    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -15,4 +29,19 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>3.3.2</version>
+        <configuration>
+          <webappDirectory>src/main/webapp</webappDirectory>
+          <webXml>src/main/webapp/WEB-INF/web.xml</webXml>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  
 </project>

src/main/java/com/veritablevalor/blizliam/App.java

@@ -1,13 +1,18 @@
 package com.veritablevalor.blizliam;
 
-/**
- * Hello world!
- *
- */
-public class App 
-{
-    public static void main( String[] args )
-    {
-        System.out.println( "Hello World!" );
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class App extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        PrintWriter out = resp.getWriter();
+        out.println("Hello!");
+        out.close();
     }
 }

src/main/webapp/WEB-INF/web.xml

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+<!DOCTYPE web-app PUBLIC
+        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+        "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+    <servlet>
+        <servlet-name>hello</servlet-name>
+        <servlet-class>com.veritablevalor.blizliam.App</servlet-class>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>hello</servlet-name>
+        <url-pattern>/hello</url-pattern>
+    </servlet-mapping>
+</web-app>