From 5aafed586be0aade83a20928d0d45bb508521478 Mon Sep 17 00:00:00 2001
From: Nathanael <nathanael.lima@orubetecnologia.com.br>
Date: Wed, 22 Jan 2020 15:37:04 -0300
Subject: [PATCH] upgraded elasticsearch, logstash and kibana images and
 provided an environment variable to specify a version for the entire ELK
 stack.

---
 docker-compose.yml       | 15 ++++++++++++---
 elasticsearch/Dockerfile |  3 ++-
 env-example              |  3 +++
 kibana/Dockerfile        |  3 ++-
 logstash/Dockerfile      |  3 ++-
 5 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index fdab141..26bd204 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -770,7 +770,10 @@ services:
 
 ### ElasticSearch ########################################
     elasticsearch:
-      build: ./elasticsearch
+      build:
+        context: ./elasticsearch
+        args:
+          - ELK_VERSION=${ELK_VERSION}
       volumes:
         - elasticsearch:/usr/share/elasticsearch/data
       environment:
@@ -794,7 +797,10 @@ services:
 
 ### Logstash ##############################################
     logstash:
-      build: ./logstash
+      build:
+        context: ./logstash
+        args:
+          - ELK_VERSION=${ELK_VERSION}
       volumes:
         - './logstash/config/logstash.yml:/usr/share/logstash/config/logstash.yml'
         - './logstash/pipeline:/usr/share/logstash/pipeline'
@@ -812,7 +818,10 @@ services:
 
 ### Kibana ##############################################
     kibana:
-      build: ./kibana
+      build:
+        context: ./kibana
+        args:
+          - ELK_VERSION=${ELK_VERSION}
       ports:
         - "${KIBANA_HTTP_PORT}:5601"
       depends_on:
diff --git a/elasticsearch/Dockerfile b/elasticsearch/Dockerfile
index dcc2874..7d77e07 100644
--- a/elasticsearch/Dockerfile
+++ b/elasticsearch/Dockerfile
@@ -1,3 +1,4 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:7.1.1
+ARG ELK_VERSION=7.5.1
+FROM docker.elastic.co/elasticsearch/elasticsearch:${ELK_VERSION}
 
 EXPOSE 9200 9300
diff --git a/env-example b/env-example
index c521fd0..46ad004 100644
--- a/env-example
+++ b/env-example
@@ -848,3 +848,6 @@ GEARMAN_MYSQL_PASSWORD_FILE=
 GEARMAN_MYSQL_DB=Gearmand
 # Table to use by Gearman (Default: gearman_queue)
 GEARMAN_MYSQL_TABLE=gearman_queue
+
+### ELK Stack ##################################################
+ELK_VERSION=7.5.1
diff --git a/kibana/Dockerfile b/kibana/Dockerfile
index b831d6d..46ef653 100644
--- a/kibana/Dockerfile
+++ b/kibana/Dockerfile
@@ -1,3 +1,4 @@
-FROM docker.elastic.co/kibana/kibana:7.1.1
+ARG ELK_VERSION=7.5.1
+FROM docker.elastic.co/kibana/kibana:${ELK_VERSION}
 
 EXPOSE 5601
diff --git a/logstash/Dockerfile b/logstash/Dockerfile
index a8c5452..161d381 100644
--- a/logstash/Dockerfile
+++ b/logstash/Dockerfile
@@ -1,4 +1,5 @@
-FROM docker.elastic.co/logstash/logstash:6.4.2
+ARG ELK_VERSION=7.5.1
+FROM docker.elastic.co/logstash/logstash:${ELK_VERSION}
 
 USER root
 RUN rm -f /usr/share/logstash/pipeline/logstash.conf