build works, trying to get Heroku going

Procfile

@@ -0,0 +1,2 @@
+web: sh able-example/target/appassembler/bin/able-example
+

able-example/pom.xml

@@ -67,7 +67,7 @@
 
         <dependency>
             <groupId>net.lightbody.able</groupId>
-            <artifactId>able</artifactId>
+            <artifactId>able-core</artifactId>
             <version>${project.version}</version>
         </dependency>
 

able-example/src/main/java/net/lightbody/able/example/Main.java

@@ -1,7 +1,34 @@
 package net.lightbody.able.example;
 
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("***");
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+public class Main extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        resp.getWriter().print("Hello from Java!\n");
+        resp.getWriter().print(System.getenv("DATABASE_URL") + "\n");
+    }
+
+    public static void main(String[] args) throws Exception{
+        String portStr = System.getenv("PORT");
+        if (portStr == null) {
+            portStr = "8080";
+        }
+        Server server = new Server(Integer.valueOf(portStr));
+        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
+        context.setContextPath("/");
+        server.setHandler(context);
+        context.addServlet(new ServletHolder(new Main()),"/*");
+        server.start();
+        server.join();
     }
 }