Dockerfile uses openjdk:17. (#215)

Author: z-sztrom

service/src/main/docker/Dockerfile

@@ -1,15 +1,22 @@
-FROM fabric8/java-centos-openjdk8-jre:1.6.4
-MAINTAINER Eiffel-Community 
+FROM openjdk:17
+MAINTAINER Eiffel-Community
+
+# Expose port 8080. The port can be accessed using option -p or -P of
+# docker's command 'run'.
 EXPOSE 8080
+
 ARG URL
 
 # Explicitly select the file to pass to "java -jar" so that additional
 # jar dependencies can be added to ${JAVA_APP_DIR} without creating
 # ambiguity.
-ENV JAVA_APP_JAR ${JAVA_APP_DIR}/generate.war
+ENV JAVA_APP_JAR="${JAVA_APP_DIR}/generate.war"
 
 # Disable Jolokia and jmx_exporter.
 ENV AB_OFF true
 
-RUN echo Building RemRem-Generate image based on artifact url: ${URL}
-ADD --chown=jboss ${URL} ${JAVA_APP_JAR}
+RUN echo "Building RemRem-Generate image based on artifact url: ${URL}"
+ADD ${URL} ${JAVA_APP_JAR}
+
+# Start the service
+ENTRYPOINT /usr/java/openjdk-17/bin/java -jar "${JAVA_APP_JAR}"