Improve order in Dockerfile

Author: jakubno

template/Dockerfile

@@ -1,7 +1,6 @@
 FROM python:3.10.14
 
 ENV JAVA_HOME=/opt/java/openjdk
-COPY --from=eclipse-temurin:11-jdk $JAVA_HOME $JAVA_HOME
 ENV PATH="${JAVA_HOME}/bin:${PATH}"
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
@@ -23,11 +22,6 @@ RUN apt-get update && apt-get install -y r-base
 RUN R -e "install.packages('IRkernel')"
 RUN R -e "IRkernel::installspec(user = FALSE, name = 'r', displayname = 'R')"
 
-# Java Kernel
-RUN wget https://github.com/SpencerPark/IJava/releases/download/v1.3.0/ijava-1.3.0.zip && \
-    unzip ijava-1.3.0.zip && \
-    python install.py --sys-prefix
-
 # Javascript Kernel
 RUN npm install -g node-gyp
 RUN npm install -g --unsafe-perm ijavascript
@@ -58,5 +52,12 @@ COPY ipython_kernel_config.py $IPYTHON_CONFIG_PATH/profile_default/
 RUN mkdir -p $IPYTHON_CONFIG_PATH/profile_default/startup
 COPY startup_scripts/* $IPYTHON_CONFIG_PATH/profile_default/startup
 
+
+COPY --from=eclipse-temurin:11-jdk $JAVA_HOME $JAVA_HOME
+# Java Kernel
+RUN wget https://github.com/SpencerPark/IJava/releases/download/v1.3.0/ijava-1.3.0.zip && \
+    unzip ijava-1.3.0.zip && \
+    python install.py --sys-prefix
+
 # Setup entrypoint for local development
 ENTRYPOINT $JUPYTER_CONFIG_PATH/start-up.sh