increase solr memory

docker-compose.yml

@@ -7,6 +7,8 @@ services:
 
     ports:
      - "8983:8983"
+    environment:
+      SOLR_JAVA_MEM: "-Xms2g -Xmx2g"
     volumes:
       - ./var-solr:/var/solr
     command: init-suggest.sh