Adding lines to the docker configuration that enables remote debugging for java

gemp-lotr/docker/docker-compose.yml

@@ -19,6 +19,9 @@ services:
       - target: 80
         # published is what's on the host machine
         published: "${APP_PORT}"
+        #These are the ports used for remote debugging the JRE
+      - target: 8000
+        published: 8052
     volumes:
        - type: bind
          source: ../gemp-lotr-async/src/main/web

gemp-lotr/docker/gemp_app.Dockerfile

@@ -38,6 +38,9 @@ RUN mkdir -p /usr/share/maven /usr/share/maven/ref \
 ENV MAVEN_HOME /usr/share/maven
 ENV MAVEN_CONFIG "$USER_HOME_DIR/.m2"
 
+# Enables the JRE remote debugging; perhaps comment this out in a production build
+ENV JAVA_TOOL_OPTIONS -agentlib:jdwp=transport=dt_socket,address=*:8000,server=y,suspend=n
+
 
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