diff --git a/docker-compose.yml b/docker-compose.yml
index 8400e3b..d5fe497 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -128,11 +128,18 @@ services:
 
     sync:
         image: quay.io/alfresco/service-sync:3.3.3.1
+        mem_limit: 512m
         environment:
             JAVA_OPTS : "
+                -Dsql.db.driver=org.postgresql.Driver
                 -Dsql.db.url=jdbc:postgresql://postgres-acs:5432/alfresco
+                -Dsql.db.username=alfresco
+                -Dsql.db.password=alfresco
                 -Dmessaging.broker.host=activemq
                 -Drepo.hostname=platform
+                -Drepo.port=8080
+                -Ddw.server.applicationConnectors[0].type=http
+                -XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80
                 "
         depends_on:
             - postgres-acs