fix: replace apk with apt-get for bionic based docker images

Related to #205

Author: SudharakaP

Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:8 as builder
+FROM adoptopenjdk:11-jdk-hotspot-bionic as builder
 ADD . /code/
 RUN \
     apt-get update && \
@@ -13,13 +13,14 @@ RUN \
     rm -Rf /code/ /root/.m2 /root/.cache /tmp/* /var/lib/apt/lists/* /var/tmp/*  && \
     mkdir /tmp/jhispter && mkdir /tmp/jhispter/applications
 
-FROM openjdk:8-jre-alpine
+FROM adoptopenjdk:11-jre-hotspot
 ENV SPRING_OUTPUT_ANSI_ENABLED=ALWAYS \
     JHIPSTER_SLEEP=0 \
     JAVA_OPTS=""
-RUN apk update && \
-    apk add nodejs npm && \
-    npm install -g generator-jhipster@6.9.0
+RUN curl -sL https://deb.nodesource.com/setup_lts.x | bash - && \
+    apt-get update && \
+    apt-get install -y nodejs yarn && \
+    yarn global add generator-jhipster@6.9.0
 CMD echo "The application will start in ${JHIPSTER_SLEEP}s..." && \
     sleep ${JHIPSTER_SLEEP} && \
     java ${JAVA_OPTS} -Djava.security.egd=file:/dev/./urandom -jar /jhonline*.war

src/main/docker/Dockerfile

@@ -1,11 +1,12 @@
-FROM openjdk:8-jre-alpine
+FROM adoptopenjdk:11-jre-hotspot
 
 ENV SPRING_OUTPUT_ANSI_ENABLED=ALWAYS \
     JHIPSTER_SLEEP=0 \
     JAVA_OPTS=""
 
-RUN apk update && \
-    apk add nodejs-current yarn && \
+RUN curl -sL https://deb.nodesource.com/setup_lts.x | bash - && \
+    apt-get update && \
+    apt-get install -y nodejs yarn && \
     yarn global add generator-jhipster@6.9.0
 
 CMD echo "The application will start in ${JHIPSTER_SLEEP}s..." && \