[docker] cleanup old versions, minor improvements

.github/workflows/ant.yml

@@ -127,7 +127,7 @@ jobs:
     needs: build
     strategy: 
       matrix: 
-        jdk: [8, 9, 10, 11, 12, 13, 16]
+        jdk: [8, 11, 17, 21]
         tool: 
           - {name: "maven",  cmd: "mvn compile"}
           - {name: "gradle", cmd: "gradle assemble"}

docker/ant/Dockerfile

@@ -25,8 +25,7 @@ ADD shared/ ./
 ARG jdk=17
 ADD ant/files/jdk-${jdk} ./
 
-COPY --from=downloader /lombok.jar /workspace/classpath/lombok.jar
-COPY --from=downloader /lombok.jar /workspace/modules/lombok.jar
+COPY --from=downloader /lombok.jar /workspace/lombok.jar
 
 ENV JDK_VERSION=${jdk}
 ENV JAVA_HOME=/opt/jdk

docker/ant/files/jdk-11/classpath/build.xml

@@ -10,7 +10,7 @@
 	</target>
 
 	<target name="compile" depends="init" description="compile the source">
-		<javac classpath="lombok.jar" modulepath="lombok.jar" srcdir="${src}" destdir="${build}" fork="true">
+		<javac classpath="../lombok.jar" modulepath="lombok.jar" srcdir="${src}" destdir="${build}" fork="true">
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED"/>
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED"/>
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED"/>

docker/ant/files/jdk-11/modules/build.xml

@@ -10,7 +10,7 @@
 	</target>
 
 	<target name="compile" depends="init" description="compile the source">
-		<javac classpath="lombok.jar" srcdir="${src}" destdir="${build}" fork="true">
+		<javac classpath="../lombok.jar" srcdir="${src}" destdir="${build}" fork="true">
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED"/>
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED"/>
 			<compilerarg value="-J--add-opens=jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED"/>