dockerize - update JDK from 1.6 to 1.8. Because of reasons. - use (adoptopen)JDK 14 to build and run - tomcat 9 TODO: static port 8080

diff --git a/UnicodeJsps/.dockerignore b/UnicodeJsps/.dockerignore
new file mode 100644
index 0000000..74db7e6
--- /dev/null
+++ b/UnicodeJsps/.dockerignore

@@ -0,0 +1,2 @@
+/build
+/Dockerfile
\ No newline at end of file

diff --git a/UnicodeJsps/Dockerfile b/UnicodeJsps/Dockerfile
new file mode 100644
index 0000000..ee9f2ac
--- /dev/null
+++ b/UnicodeJsps/Dockerfile

@@ -0,0 +1,23 @@
+# Copyright (c) 2020 and later Unicode, Inc. and others. All Rights Reserved.
+# Use -eJDKVERSION=13 -eTOMCATVERSION=8 for example to change these
+ARG JDKVERSION=14
+FROM openjdk:${JDKVERSION}-alpine AS build
+# Need ant, add it. Yes, this pulls in JDK8, but it's an easier
+# way to manage this.
+RUN apk add --update apache-ant
+# Some version of tomcat. Just used for API, does not have to match TOMCATVERSION
+ARG TOMCAT_API=http://apache.mirrors.hoobly.com/tomcat/tomcat-9/v9.0.34/bin/apache-tomcat-9.0.34.tar.gz
+RUN mkdir -p /usr/local/lib && cd /usr/local/lib/ && wget ${TOMCAT_API} -O - | tar xfpz - && ln -svf apache-tomcat-* ./tomcat
+
+WORKDIR /home
+ADD . /home/
+ENV CATALINA_HOME /usr/local/lib/tomcat
+RUN ant -DCATALINA_HOME=${CATALINA_HOME} war
+
+# ARG TOMCATVERSION=9
+# Was not able to parameterize this
+FROM tomcat:9-jdk${JDKVERSION}-openjdk-slim-buster AS run
+# FROM tomcat:9-jdk14-openjdk-slim-buster AS run
+COPY --from=build /home/UnicodeJsps.war /usr/local/tomcat/webapps/
+# TODO PORT! We do not support the PORT variable to control the port.
+EXPOSE 8080

diff --git a/UnicodeJsps/build.xml b/UnicodeJsps/build.xml
index 4760b3f..c6de962 100644
--- a/UnicodeJsps/build.xml
+++ b/UnicodeJsps/build.xml

@@ -193,7 +193,7 @@
             additionalparam="${doc.params}"
             link="http://java.sun.com/j2se/1.5/docs/api"
             bottom="&lt;font size=-1>&lt;a  target='_top' href='http://www.unicode.org/copyright.html'>Copyright &amp;copy; 2004-${current.year} Unicode, Inc. All Rights Reserved.&lt;/a>&lt;/font>"
-            source="1.6" />
+            source="1.8" />
     </target>
                <!-- bottom="&lt;font size=-1>Copyright (c) ${current.year} IBM Corporation and others.&lt;/font>" -->
 
@@ -214,8 +214,8 @@
             srcdir="${src.dir}"
             destdir="${build.dir}"
             classpathref="project.class.path"
-            source="1.6"
-            target="1.6"
+            source="1.8"
+            target="1.8"
             debug="on" deprecation="off"
             encoding="UTF-8"/>
         <copy todir="${build.dir}/org/unicode/jsp/">