merged d7 and d8 dockers

Docker/solr-legacy/server/zoo.cfg

@@ -0,0 +1,17 @@
+# The number of milliseconds of each tick
+tickTime=2000
+# The number of ticks that the initial
+# synchronization phase can take
+initLimit=10
+# The number of ticks that can pass between
+# sending a request and getting an acknowledgement
+syncLimit=5
+
+# the directory where the snapshot is stored.
+# dataDir=/opt/zookeeper/data
+# NOTE: Solr defaults the dataDir to <solrHome>/zoo_data
+
+# the port at which the clients will connect
+# clientPort=2181
+# NOTE: Solr sets this based on zkRun / zkHost params
+