Support GeoIP license number in ELK Dockerfile

docker-compose.elk.yml.dist

@@ -25,12 +25,17 @@ services:
     - SYS_PTRACE
     restart: always
   elk:
-     build: elk
+     build:
+       context: elk
+       args:
+       - MAXMIND_LICENSE
      ports:
      - "5601:5601"
      - "9200:9200"
      - "5044:5044"
      - "5000:5000"
+     env_file:
+     - elk/.env
      restart: always
 
 volumes:

elk/.env.dist

@@ -0,0 +1 @@
+MAXMIND_LICENSE=

elk/Dockerfile

@@ -12,8 +12,11 @@ RUN curl -L https://raw.githubusercontent.com/ninech/logstash-patterns/master/pa
 RUN curl -L https://raw.githubusercontent.com/ninech/logstash-patterns/master/exmples/50-filter-dovecot.conf > /etc/logstash/conf.d/17-filter-dovecot.conf
 # FIXME: may be a cron job?
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+ARG MAXMIND_LICENSE
 RUN mkdir  -p /usr/share/GeoIP && \
- curl -L http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz | gunzip -c - > /usr/share/GeoIP/GeoLiteCity.dat 
+curl -L "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=${MAXMIND_LICENSE}&suffix=tar.gz" \
+| tar zx --to-stdout --wildcards --no-anchored '*.mmdb' > /usr/share/GeoIP/GeoLiteCity.dat
 
 WORKDIR ${LOGSTASH_HOME}
 RUN gosu logstash bin/logstash-plugin install --local --no-verify logstash-filter-geoip

elk/docker-compose.yml.dist

@@ -0,0 +1,16 @@
+version: '2'
+
+services:
+  elk:
+     build:
+       context: .
+       args:
+       - MAXMIND_LICENSE
+     ports:
+     - "5601:5601"
+     - "9200:9200"
+     - "5044:5044"
+     - "5000:5000"
+     env_file:
+     - .env
+     restart: always