ci: added heroku-maven plugin

NOTES.md

@@ -1,19 +1,3 @@
 Our first test: a test of tests, screenshotting playwright.dev
 
-sudo apt-get install libxslt1.1\
-sudo apt-get install libwoff1\                       
-sudo apt-get install libvpx9\                        
-sudo apt-get install libevent-2.1-7t64\              
-sudo apt-get install libopus0\                       
-sudo apt-get install libgstreamer-plugins-base1.0-0\ 
-sudo apt-get install libgstreamer-gl1.0-0\           
-sudo apt-get install libgstreamer-plugins-bad1.0-0\  
-sudo apt-get install libwebpdemux2\                  
-sudo apt-get install libharfbuzz-icu0\               
-sudo apt-get install libenchant-2-2\                 
-sudo apt-get install libsecret-1-0\                  
-sudo apt-get install libhyphen0\                     
-sudo apt-get install libmanette-0.2-0\               
-sudo apt-get install libflite1\                      
-sudo apt-get install libgles2\                       
-sudo apt-get install gstreamer1.0-libav 
+https://devcenter.heroku.com/articles/deploying-java-applications-with-the-heroku-maven-plugin

pom.xml

@@ -1,30 +1,31 @@
 <?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"
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
 		<version>3.3.2</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.nickhumberstone</groupId>
 	<artifactId>xpvoting</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<name>XP Voting</name>
 	<description>Voting tool for XP, built with XP</description>
-	<url/>
+	<url />
 	<licenses>
-		<license/>
+		<license />
 	</licenses>
 	<developers>
-		<developer/>
+		<developer />
 	</developers>
 	<scm>
-		<connection/>
-		<developerConnection/>
-		<tag/>
-		<url/>
+		<connection />
+		<developerConnection />
+		<tag />
+		<url />
 	</scm>
 	<properties>
 		<java.version>22</java.version>
@@ -39,10 +40,10 @@
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
 		<dependency>
-      <groupId>com.microsoft.playwright</groupId>
-      <artifactId>playwright</artifactId>
-      <version>1.46.0</version>
-    </dependency>
+			<groupId>com.microsoft.playwright</groupId>
+			<artifactId>playwright</artifactId>
+			<version>1.46.0</version>
+		</dependency>
 
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -63,7 +64,20 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
+			<plugin>
+				<groupId>com.heroku.sdk</groupId>
+				<artifactId>heroku-maven-plugin</artifactId>
+				<version>3.0.7</version>
+				<configuration>
+					<processTypes>
+						<web>java $JAVA_OPTS -cp target/classes:target/dependency/*
+							XPVotingApplication</web>
+					</processTypes>
+					<jdkVersion>22</jdkVersion>
+				</configuration>
+
+			</plugin>
 		</plugins>
 	</build>
 
-</project>
+</project>