Use one image for all the Druid services

docker/druid/Dockerfile

@@ -0,0 +1,22 @@
+ARG DRUID_VER=0.23.0
+
+FROM apache/druid:${DRUID_VER} AS druid
+
+FROM ubuntu:bionic
+RUN apt-get update && \
+    apt-get install --yes openjdk-8-jre-headless perl-modules && \
+    apt-get clean
+
+RUN addgroup --system -gid 1000 druid \
+ && adduser --system --uid 1000 --disabled-password --home /opt/druid --shell /bin/bash --group druid
+
+COPY --from=druid --chown=druid:druid /opt/druid /opt/druid
+
+WORKDIR /opt/druid
+
+USER druid
+
+EXPOSE 8888/tcp
+EXPOSE 8081/tcp
+
+CMD /opt/druid/bin/start-nano-quickstart