diff --git a/bbb-lti/Dockerfile b/bbb-lti/Dockerfile
index aa3f4e78488b..80886df20c57 100644
--- a/bbb-lti/Dockerfile
+++ b/bbb-lti/Dockerfile
@@ -2,7 +2,7 @@ FROM java:8-jdk AS builder
 
 RUN mkdir -p /root/tools \
  && cd /root/tools \
- && wget http://services.gradle.org/distributions/gradle-2.12-bin.zip \
+ && wget https://services.gradle.org/distributions/gradle-2.12-bin.zip \
  && unzip gradle-2.12-bin.zip \
  && ln -s gradle-2.12 gradle
 
diff --git a/bigbluebutton-web/Dockerfile b/bigbluebutton-web/Dockerfile
index ffcb3e321383..80d0c1e443d5 100644
--- a/bigbluebutton-web/Dockerfile
+++ b/bigbluebutton-web/Dockerfile
@@ -2,7 +2,7 @@ FROM bbb-common-web AS builder
 
 RUN mkdir -p /root/tools \
  && cd /root/tools \
- && wget http://services.gradle.org/distributions/gradle-3.5-bin.zip \
+ && wget https://services.gradle.org/distributions/gradle-3.5-bin.zip \
  && unzip gradle-3.5-bin.zip \
  && ln -s gradle-3.5 gradle
 
diff --git a/labs/docker/docker-compose.yml b/labs/docker/docker-compose.yml
index 36d130f2946a..879ff6101975 100644
--- a/labs/docker/docker-compose.yml
+++ b/labs/docker/docker-compose.yml
@@ -109,8 +109,8 @@ services:
       ENABLE_REST_API: 1
       PORT: 3478
     ports:
-      - ${EXTERNAL_IP}:3478:3478/udp
-      - ${EXTERNAL_IP}:3478:3478/tcp
+      - 3478:3478/udp
+      - 3478:3478/tcp
     networks:
       - default
     labels: