Docker Files update

elasticsearch/docker/Dockerfile

@@ -1,11 +1,11 @@
 # Dockerfile for Elasticsearch
 # Author: Roberto Rodriguez @Cyb3rWard0g
 
-FROM debian:jessie
-RUN apt-get update && apt-get install -y openjdk-8-jre-headless wget
+FROM openjdk:8-jre
 
-RUN wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add - && \
-	apt-get install apt-transport-https && \
+RUN apt-get update && apt-get install wget && \
+    wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add - && \
+	apt-get install -y apt-transport-https && \
 	echo "deb https://artifacts.elastic.co/packages/5.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-5.x.list && \
 	apt-get install elasticsearch && \
 	mv /etc/elasticsearch/elasticsearch.yml /etc/elasticsearch/backup_elasticsearch.yml

kibana/docker/Dockerfile

@@ -2,6 +2,7 @@
 # Author: Roberto Rodriguez @Cyb3rWard0g
 
 FROM debian:jessie
+
 RUN apt-get update && apt-get install kibana && \
 	mv /etc/kibana/kibana.yml /etc/kibana/backup_kibana.yml
 

logstash/docker/Dockerfile.txt

@@ -1,7 +1,8 @@
 # Dockerfile for Logstash
 # Author: Roberto Rodriguez @Cyb3rWard0g
 
-FROM debian:jessie
+FROM openjdk:8-jre
+
 RUN apt-get update && apt-get install logstash
 
 ADD ../logstash/02-beats-input.conf /etc/logstash/conf.d/02-beats-input.conf && \

nginx/docker/Dockerfile

@@ -2,6 +2,7 @@
 # Author: Roberto Rodriguez @Cyb3rWard0g
 
 FROM debian:jessie
+
 RUN apt-get update && apt-get -y install nginx && \
 	echo "helkadmin:`openssl passwd -apr1 hunting`" | sudo tee -a /etc/nginx/htpasswd.users && \
 	mv /etc/nginx/sites-available/default /etc/nginx/sites-available/backup_default