diff --git a/.env b/.env
index fb511c7..af14c9d 100644
--- a/.env
+++ b/.env
@@ -1,3 +1,7 @@
-BASEDIR=~
-ALFRESCO_DIR=${BASEDIR}/alfresco
+EXTERNAL_RESOURCE_DIR=~
+ALFRESCO_DIR=${EXTERNAL_RESOURCE_DIR}/alfresco
 ALFRESCO_LICENSE_DIR=${ALFRESCO_DIR}/license
+
+PROXY_PROTOCOL=http
+PROXY_HOST=localhost
+PROXY_PORT=8080
diff --git a/docker-compose.yml b/docker-compose.yml
index 97b2b3f..9b8ffec 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,11 @@ services:
         image: alfresco/alfresco-content-repository:latest
         environment:
             JAVA_OPTS: "
+                -Ddb.driver=org.postgresql.Driver
                 -Ddb.url=jdbc:postgresql://postgres-acs:5432/alfresco
+                -Dalfresco.host=${PROXY_HOST}
+                -Dalfresco.port=${PROXY_PORT}
+                -Dalfresco.protocol=${PROXY_PROTOCOL}
                 -Dmessaging.broker.url=\"failover:(nio://activemq:61616)?timeout=3000&jms.useCompression=true\"
                 -DlocalTransform.core-aio.url=http://transform-core-aio:8090/
                 -Dalfresco-pdf-renderer.url=http://transform-core-aio:8090/