fix dockerfile and build package on gitpod.io

.gitpod.dockerfile

@@ -1,10 +1,17 @@
 FROM gitpod/workspace-full-vnc:latest
 
-RUN dpkg --add-architecture i386
-RUN apt-get update && apt-get -y install cabextract libxext6 libxext6:i386 libfreetype6 libfreetype6:i386
-
+USER root
+RUN dpkg --add-architecture i386 \
+  && apt-get update \
+  && apt-get install -y \
+    cabextract \
+    libxext6 \
+    libxext6:i386 \
+    libfreetype6 \
+    libfreetype6:i386 \
+    fakeroot \
+&& apt-get clean && rm -rf /var/cache/apt/* && rm -rf /var/lib/apt/lists/* && rm -rf /tmp/*
 
 USER gitpod
-
 # activate java 11. It's already installed in the base image.
 RUN  bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh && sdk install java"

.gitpod.yml

@@ -11,5 +11,5 @@ tasks:
 - init: >
     mvn install
   command: >
-    cd phoenicis-javafx/ &&
-    mvn exec:java
+    cd phoenicis-dist/src/scripts &&
+    sh phoenicis-create-package.sh