Fix docker arg

Author: o-liver

Dockerfile

@@ -1,8 +1,9 @@
 ARG BASE_IMAGE_TAG
-ARG JAVA_VERSION
 
 FROM node:$BASE_IMAGE_TAG
 
+ARG JAVA_VERSION
+
 RUN apt-get update && \
     apt-get install -y chromium firefox-esr xvfb libxi6 libgbm1 libgconf-2-4 openjdk-"${JAVA_VERSION}"-jre && \
     rm -rf /var/lib/apt/lists/* /var/cache/apt/* && \