Add possibility to define the timezone via the TZ env var in the docker containers

.env

@@ -19,10 +19,14 @@ LOGSTASH_HOST=logstash
 APMSERVER_HOST=apm-server
 APMSERVER_PORT=8200
 
-#----------- Credientals ------------------------#
+#----------- Timezone ---------------------------#
+# Set the timezone in all containers
+TZ=Etc/UTC
+
+#----------- Credentials ------------------------#
 # Username & Password for Admin Elasticsearch cluster.
 # This is used to set the password at setup, and used by others to connect to Elasticsearch at runtime.
-# USERNAME cannot be changed! It is set here for parmeterization only.
+# USERNAME cannot be changed! It is set here for parameterization only.
 ELASTIC_USERNAME=elastic
 ELASTIC_PASSWORD=changeme
 AWS_ACCESS_KEY_ID=nottherealid
@@ -34,7 +38,7 @@ ELASTIC_CLUSTER_NAME=elastdocker-cluster
 ELASTIC_INIT_MASTER_NODE=elastdocker-node-0
 ELASTIC_NODE_NAME=elastdocker-node-0
 
-# Hostnames of master eligble elasticsearch instances. (matches compose generated host name)
+# Hostnames of master eligible elasticsearch instances. (matches compose generated host name)
 ELASTIC_DISCOVERY_SEEDS=elasticsearch
 
 #----------- For Multinode Cluster --------------#

apm-server/Dockerfile

@@ -3,3 +3,10 @@ ARG ELK_VERSION
 # https://github.com/elastic/apm-server
 FROM docker.elastic.co/apm/apm-server:${ELK_VERSION}
 ARG ELK_VERSION
+
+USER root
+RUN apt-get -qq update -y \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+USER apm-server

docker-compose.nodes.yml

@@ -14,6 +14,7 @@ services:
         ELK_VERSION: ${ELK_VERSION}
     restart: unless-stopped
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTIC_CLUSTER_NAME: ${ELASTIC_CLUSTER_NAME}
@@ -51,6 +52,7 @@ services:
         ELK_VERSION: ${ELK_VERSION}
     restart: unless-stopped
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTIC_CLUSTER_NAME: ${ELASTIC_CLUSTER_NAME}

docker-compose.setup.yml

@@ -13,6 +13,7 @@ services:
         - ./secrets:/secrets
         - ./setup/:/setup/
     environment:
+      TZ: ${TZ}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
 
   certs:
@@ -25,4 +26,6 @@ services:
     user: "0"
     volumes:
       - ./secrets:/secrets
-      - ./setup/:/setup
+      - ./setup/:/setup
+    environment:
+      TZ: ${TZ}

docker-compose.yml

@@ -39,6 +39,7 @@ services:
         ELK_VERSION: ${ELK_VERSION}
     restart: unless-stopped
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTIC_CLUSTER_NAME: ${ELASTIC_CLUSTER_NAME}
@@ -91,6 +92,7 @@ services:
       - source: elastic.ca
         target: /certs/ca.crt
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTICSEARCH_HOST_PORT: https://${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}
@@ -111,6 +113,7 @@ services:
     volumes:
       - ./kibana/config/:/usr/share/kibana/config:ro
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTICSEARCH_HOST_PORT: https://${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}
@@ -139,6 +142,7 @@ services:
     volumes:
       - ./apm-server/config/apm-server.yml:/usr/share/apm-server/apm-server.yml:ro
     environment:
+      TZ: ${TZ}
       ELASTIC_USERNAME: ${ELASTIC_USERNAME}
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD}
       ELASTICSEARCH_HOST_PORT: https://${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}

elasticsearch/Dockerfile

@@ -3,6 +3,13 @@ ARG ELK_VERSION
 # https://github.com/elastic/elasticsearch-docker
 FROM docker.elastic.co/elasticsearch/elasticsearch:${ELK_VERSION}
 
+USER root
+RUN apt-get -qq update -y \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+USER elasticsearch
+
 # Add healthcheck
 COPY scripts/docker-healthcheck .
 HEALTHCHECK CMD sh ./docker-healthcheck

kibana/Dockerfile

@@ -4,5 +4,12 @@ ARG ELK_VERSION
 FROM docker.elastic.co/kibana/kibana:${ELK_VERSION}
 ARG ELK_VERSION
 
+USER root
+RUN apt-get -qq update -y \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+USER kibana
+
 # Add your kibana plugins setup here
 # Example: RUN kibana-plugin install <name|url>

logstash/Dockerfile

@@ -3,6 +3,13 @@ ARG ELK_VERSION
 # https://github.com/elastic/logstash-docker
 FROM docker.elastic.co/logstash/logstash:${ELK_VERSION}
 
+USER root
+RUN apt-get -qq update -y \
+  && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+USER logstash
+
 HEALTHCHECK --interval=240s --timeout=120s --retries=5 \
   CMD curl -s -XGET 'http://127.0.0.1:9600'