diff --git a/docker-compose.greenlight.yml b/docker-compose.greenlight.yml
index 8deee44..f1485cc 100644
--- a/docker-compose.greenlight.yml
+++ b/docker-compose.greenlight.yml
@@ -2,7 +2,7 @@ version: '3.6'
 
 services:
   greenlight:
-    container_name: greenlight-v2
+    container_name: greenlight
     image: bigbluebutton/greenlight:v2
     env_file: .env
     environment:
diff --git a/docker-compose.yml b/docker-compose.yml
index ddfb96b..9c0bd7a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,8 +11,8 @@ services:
       SHARED_SECRET: ${SHARED_SECRET}
       WELCOME_FOOTER: ${WELCOME_FOOTER}
       STUN_SERVER: stun:${STUN_IP}:${STUN_PORT}
-      TURN_SERVER: ${TURN_SERVER}
-      TURN_SECRET: ${TURN_SECRET}
+      TURN_SERVER: ${TURN_SERVER:-}
+      TURN_SECRET: ${TURN_SECRET:-}
     volumes:
       - bigbluebutton:/var/bigbluebutton
     networks:
diff --git a/scripts/compose b/scripts/compose
new file mode 100755
index 0000000..2b41314
--- /dev/null
+++ b/scripts/compose
@@ -0,0 +1,22 @@
+#!/bin/bash
+set -e
+
+cd $(dirname $0)/..
+
+# load .env
+if [ -f .env ]
+then
+  # exclude WELCOME_FOOTER because it may contain invalid characters
+  export $(cat .env | sed 's/#.*//g' | grep -v "WELCOME_FOOTER" | xargs)
+fi
+
+# concatenate docker-compose file
+COMPOSE_FILES="-f docker-compose.yml"
+if [ "$ENABLE_HTTPS_PROXY" == true ]; then
+    COMPOSE_FILES="$COMPOSE_FILES -f docker-compose.https.yml"
+fi
+if [ "$ENABLE_GREENLIGHT" == true ]; then
+    COMPOSE_FILES="$COMPOSE_FILES -f docker-compose.greenlight.yml"
+fi
+
+docker-compose $COMPOSE_FILES $@
diff --git a/scripts/print-versions b/scripts/print-versions
index 44cc0cf..b11419c 100755
--- a/scripts/print-versions
+++ b/scripts/print-versions
@@ -5,6 +5,7 @@ CORE_IMAGE=$(docker-compose images -q core)
 FREESWITCH_IMAGE=$(docker-compose images -q freeswitch)
 HTML5_IMAGE=$(docker-compose images -q html5)
 KURENTO_IMAGE=$(docker-compose images -q kurento)
+ETHERPAD_IMAGE=$(docker-compose images -q etherpad)
 MONGO_IMAGE=$(docker-compose images -q mongodb)
 REDIS_IMAGE=$(docker-compose images -q redis)
 
@@ -30,7 +31,7 @@ docker run --rm --entrypoint /bin/sh $CORE_IMAGE -c "dpkg -l 'bbb-*' | grep ii |
 echo ""
 
 echo "etherpad"
-ETHERPAD_VERSION=$(docker-compose images etherpad | grep etherpad | awk '{print $3}')
+ETHERPAD_VERSION=$(docker run --rm --entrypoint cat $ETHERPAD_IMAGE /opt/etherpad-lite/src/package.json | grep version | awk -F'"' '{print $4}')
 echo "    version: $ETHERPAD_VERSION"
 echo ""
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 1c0ee17..eb73733 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,7 +7,7 @@ if [ -z $RESTARTED ]
 then
 
     echo "# pull newest bigblugbutton-docker.git"
-    #git pull
+    git pull
 
     # restart script, since it might have changed.
     RESTARTED=1 ./scripts/upgrade
@@ -20,13 +20,11 @@ else
 
     echo ""
     echo "# pull newest images"
-    docker-compose pull
-    docker-compose -f docker-compose.greenlight.yml pull
-    docker-compose -f docker-compose.https.yml pull
+    ./scripts/compose pull
 
     echo ""
     echo "# rebuild images"
-    docker-compose build --pull --no-cache 
+    ./scripts/compose build --pull --no-cache
 
 
     COMMIT_HASH=$(git rev-parse --short HEAD)
@@ -37,12 +35,7 @@ else
     echo "images successfully rebuilt!"
     echo "we are on $COMMIT_HASH ($BRANCH_NAME)"
     echo ""
-    echo "use following commands for restarting:"
-    echo "BigBlueButton:"
-    echo "    $ docker-compose up -d"
-    echo "HTTPS Proxy:"
-    echo "    $ docker-compose -f docker-compose.https.yml up -d"
-    echo "Greenlight:"
-    echo "    $ docker-compose -f docker-compose.greenlight.yml up -d"
+    echo "use following command for restarting:"
+    echo "    $ ./scripts/compose up -d"
     echo "-------------------------------------"
 fi
\ No newline at end of file