VirtualDiskImage Working but needs work to automate

Dockerfile

@@ -1,8 +1,12 @@
-FROM jlesage/baseimage-gui:alpine-3.7
+FROM jlesage/baseimage-gui:ubuntu-16.04
 
 ENV APP_NAME="iDRAC 6"
 
-RUN apk add --no-cache openjdk7-jre
+RUN apt-get update
+RUN apt-get -y install software-properties-common 
+RUN add-apt-repository ppa:openjdk-r/ppa  
+RUN apt-get update
+RUN apt-get -y install openjdk-7-jdk
 
 RUN mkdir /app && \
     chown ${USER_ID}:${GROUP_ID} /app

docker-compose.yml

@@ -3,21 +3,15 @@ version: '2'
 services:
   idrac1:
     image: domistyle/idrac6
+    build:
+      context: ./
     restart: always
+    volumes:
+      - ./app:/app
     ports:
       - 5800:5800
       - 5900:5900
     environment:
-      - IDRAC_HOST=idrac1.example.org
+      - IDRAC_HOST=192.168.0.1
       - IDRAC_USER=root
-      - IDRAC_PASSWORD=1234
+      - IDRAC_PASSWORD=calvin
-  idrac2:
-    image: domistyle/idrac6
-    restart: always
-    ports:
-      - 5801:5800
-      - 5901:5900
-    environment:
-      - IDRAC_HOST=idrac2.example.org
-      - IDRAC_USER=root
-      - IDRAC_PASSWORD=1234