add java opts

Dockerfile

@@ -56,6 +56,7 @@ ARG netcdf_file="src/main/resources/default.nc"
 ENV NSHM "CONUS_2018A"
 
 ENV CONTEXT_PATH "/"
+ENV JAVA_OPTS=""
 
 ARG jar_file
 ARG project
@@ -70,6 +71,7 @@ COPY --from=builder ${jar_file} ${project}.jar
 COPY ${NETCDF_FILE} ${NETCDF_FILE}
 
 ENTRYPOINT /usr/bin/java -jar ${PROJECT}.jar \
+    ${JAVA_OPTS} \
     "-Dmicronaut.server.context-path=${CONTEXT_PATH}" \
     -nshm=${NSHM} \
     -netcdf=${NETCDF_FILE}