Fixes #408 - Refresh 'Build and push a Glassfish application to Azure…

… Container Registry' example (#409)

acr/glassfish/Dockerfile

@@ -5,38 +5,15 @@
 #
 # -----------------------------------------------------------------------------
 
-#
-# Microsoft OpenJDK 11
-#
 FROM mcr.microsoft.com/openjdk/jdk:11-ubuntu
-
-#
-# Install curl.
-#
 RUN apt-get update && \
     apt-get install -y curl unzip
-
-#
-# Install Glassfish
-#
-RUN export GLASSFISH_VERSION=7.0.3 && \
+RUN export GLASSFISH_VERSION=7.0.11 && \
     cd /opt && \
     curl -L -o glassfish.zip https://www.eclipse.org/downloads/download.php?file=/ee4j/glassfish/glassfish-${GLASSFISH_VERSION}.zip && \
     unzip glassfish.zip && \
     rm glassfish.zip && \
     mv glassfish7 glassfish
-
-#
-# Expose port 8080.
-#
 EXPOSE 8080
-
-#
-# Copy the WAR file.
-#
 COPY target/ROOT.war /opt/glassfish/glassfish/domains/domain1/autodeploy/ROOT.war
-
-#
-# Startup command.
-#
 CMD ["/opt/glassfish/glassfish/bin/asadmin", "start-domain", "-v"]