logstash need to apply until elastic work

logstash/Dockerfile

@@ -1,8 +1,7 @@
 FROM logstash:5.1.2
 
 RUN apt-get update
-RUN groupadd -g 1000 ossec && useradd -u 1000 -g 1000 ossec &&\
-    usermod -a -G ossec logstash
+
 COPY config/logstash.conf /etc/logstash/conf.d/logstash.conf
 COPY config/wazuh-elastic5-template.json /etc/logstash/wazuh-elastic5-template.json
 

logstash/config/run.sh

@@ -12,6 +12,11 @@
 #
 
 set -e
+host="elasticsearch"
+until curl -XGET $host:9200; do
+  >&2 echo "Elastic is unavailable - sleeping"
+  sleep 1
+done
 
 # Add logstash as command if needed
 if [ "${1:0:1}" = '-' ]; then