Draft: Java build container

Idea for a java build container with jdk matching our host environments with commonly-used build tools.

• jdk
• gradle
• maven
• ant + ivy

java-build-server/8/Dockerfile

+FROM eclipse-temurin:8-alpine
+
+ARG BUILD_DATE
+ARG VCS_REF
+ARG VERSION
+LABEL org.label-schema.build-date=$BUILD_DATE \
+      org.label-schema.name="Java OpenJDK 1.8" \
+      org.label-schema.description="Docker image to Java SE 8 applications" \
+      org.label-schema.vcs-ref=$VCS_REF \
+      org.label-schema.vendor="University of Nebraska - Lincoln" \
+      org.label-schema.version="0.1.0" \
+      org.label-schema.schema-version="1.0" \
+      maintainer="Roger Feese <rfeese@nebraska.edu>"
+
+# Install additional build tools
+# - gradle
+# - maven
+# - ant + ivy
+
+RUN apk add --no-cache \
+        gradle \
+        maven \
+        apache-ant
+
+# ivy installation in ant
+# download ivy
+# extract the ivy jar file to the ant lib folder
+# cleanup
+RUN wget -q -O /tmp/apache-ivy.tar.gz https://dlcdn.apache.org//ant/ivy/2.5.2/apache-ivy-2.5.2-bin.tar.gz && \
+tar --strip-components 1 -C /usr/share/java/apache-ant/lib/ -xzf /tmp/apache-ivy.tar.gz apache-ivy-2.5.2/ivy-2.5.2.jar && \
+rm /tmp/apache-ivy.tar.gz