perf($ELK): enable elasticsearch security

[skip ci]

docker/.env

@@ -52,3 +52,5 @@ MUSCLE_MIS_CONTAINER_NAME="maf.muscle-mis.${SPRING_ENVIRONMENT}"
 # JIB contain's Java tool options                #
 ##################################################
 JAVA_TOOL_OPTIONS="-Xms128m -Xmx128m -Dspring.profiles.active=${SPRING_ENVIRONMENT} -Dspring.cloud.consul.host=${CONSUL_SERVICE_REGISTRY_CONTAINER_NAME}"
+
+MAF_ELASTICSEARCH_PASSWORD=maf@elasticsearch

docker/config/logstash/logstash-spring-boot.conf

@@ -13,7 +13,7 @@ output {
   elasticsearch {
     hosts => ["es:9200"]
     index => "maf-logstash-%{[appname]}-%{+YYYY.MM.dd}"
-    #user => "elastic"
-    #password => "changeme"
+    user => "elastic"
+    password => "maf@elasticsearch"
   }
 }

docker/docker-compose.yml

@@ -140,6 +140,8 @@ services:
       cluster.name: elasticsearch
       discovery.type: single-node
       ES_JAVA_OPTS: "-Xms256m -Xmx256m"
+      ELASTIC_PASSWORD: ${MAF_ELASTICSEARCH_PASSWORD}
+      xpack.security.enabled: "true"
     networks:
       muscle_and_fitness_network:
 
@@ -163,8 +165,6 @@ services:
   kibana:
     container_name: "${KIBANA_CONTAINER_NAME}"
     image: kibana:${KIBANA_TAG}
-    links:
-      - elasticsearch:es # Not sure what the fuck is this for
     depends_on:
       elasticsearch:
         condition: service_started
@@ -173,6 +173,8 @@ services:
     restart: always
     environment:
       elasticsearch.hosts: "http://${ELASTICSEARCH_CONTAINER_NAME}:9200"
+      ELASTICSEARCH_USERNAME: elastic
+      ELASTICSEARCH_PASSWORD: ${MAF_ELASTICSEARCH_PASSWORD}
     networks:
       muscle_and_fitness_network: