Merge pull request #14429 from grafana/docker-blocks-links

Docker blocks: Use links instead of bridge network

devenv/docker/blocks/elastic5/docker-compose.yaml

 # You need to run 'sysctl -w vm.max_map_count=262144' on the host machine
-
+version: '2'
+services:
   elasticsearch5:
     image: elasticsearch:5
     command: elasticsearch
     ports:
-      - "10200:9200"
-      - "10300:9300"
+      - '10200:9200'
+      - '10300:9300'
 
   fake-elastic5-data:
     image: grafana/fake-data-gen
-    network_mode: bridge
+    links:
+      - elasticsearch5
+    # network_mode: bridge
     environment:
       FD_DATASOURCE: elasticsearch
       FD_PORT: 10200

devenv/docker/blocks/influxdb/docker-compose.yaml

+version: '2'
+services:
   influxdb:
     image: influxdb:latest
     container_name: influxdb
     ports:
-      - "2004:2004"
-      - "8083:8083"
-      - "8086:8086"
+      - '2004:2004'
+      - '8083:8083'
+      - '8086:8086'
     volumes:
       - ./docker/blocks/influxdb/influxdb.conf:/etc/influxdb/influxdb.conf
 
   fake-influxdb-data:
     image: grafana/fake-data-gen
-    network_mode: bridge
+    links:
+      - influxdb
     environment:
       FD_DATASOURCE: influxdb
       FD_PORT: 8086
-