diff --git a/openvidu-filters/web/app.js b/openvidu-filters/web/app.js
index 410e45db..a413293b 100644
--- a/openvidu-filters/web/app.js
+++ b/openvidu-filters/web/app.js
@@ -369,7 +369,6 @@ function initMainVideo(streamManager, userData) {
 var OPENVIDU_SERVER_URL = "https://" + location.hostname + ":4443";
 var OPENVIDU_SERVER_SECRET = "MY_SECRET";
 
-
 function getToken(mySessionId, role) {
 	return createSession(mySessionId).then(sessionId => createToken(sessionId, role));
 }
diff --git a/openvidu-getaroom/docker/create_image.sh b/openvidu-getaroom/docker/create_image.sh
index ec2ae1b7..25cf7a99 100755
--- a/openvidu-getaroom/docker/create_image.sh
+++ b/openvidu-getaroom/docker/create_image.sh
@@ -5,7 +5,7 @@ cp ../../../openvidu/openvidu-server/target/openvidu-server-"$1".jar ./openvidu-
 cp -a ../web/. ./web/
 
 # Modify OpenVidu Server URL
-sed -i 's/url: "https:\/\/" + location\.hostname + ":4443/url: "https:\/\/" + location\.hostname + "/g' ./web/app.js
+sed -i 's/var OPENVIDU_SERVER_URL = "https:\/\/" + location\.hostname + ":4443";/var OPENVIDU_SERVER_URL = "https:\/\/" + location\.hostname;/g' ./web/app.js
 
 # Build docker image
 docker build -t openvidu/getaroom-demo .
diff --git a/openvidu-getaroom/web/app.js b/openvidu-getaroom/web/app.js
index 41e8c77c..07b37e91 100644
--- a/openvidu-getaroom/web/app.js
+++ b/openvidu-getaroom/web/app.js
@@ -273,7 +273,7 @@ function getToken(mySessionId) {
 	return createSession(mySessionId).then(sId => createToken(sId));
 }
 
-function createSession(sId) {
+function createSession(sId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apisessions
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
@@ -299,7 +299,7 @@ function createSession(sId) {
 	});
 }
 
-function createToken(sId) {
+function createToken(sId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apitokens
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
diff --git a/openvidu-hello-world/web/app.js b/openvidu-hello-world/web/app.js
index 600a0bcf..16705752 100644
--- a/openvidu-hello-world/web/app.js
+++ b/openvidu-hello-world/web/app.js
@@ -60,7 +60,7 @@ function getToken(mySessionId) {
 	return createSession(mySessionId).then(sessionId => createToken(sessionId));
 }
 
-function createSession(sessionId) {
+function createSession(sessionId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apisessions
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
@@ -86,7 +86,7 @@ function createSession(sessionId) {
 	});
 }
 
-function createToken(sessionId) {
+function createToken(sessionId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apitokens
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
diff --git a/openvidu-insecure-js/docker/Dockerfile b/openvidu-insecure-js/docker/Dockerfile
index c40636b7..430f6e10 100644
--- a/openvidu-insecure-js/docker/Dockerfile
+++ b/openvidu-insecure-js/docker/Dockerfile
@@ -2,12 +2,10 @@ FROM ubuntu:16.04
 MAINTAINER openvidu@gmail.com
 
 # Install Kurento Media Server (KMS) 
-RUN echo "deb http://ubuntu.openvidu.io/6.7.0 xenial kms6" | tee /etc/apt/sources.list.d/kurento.list \
+RUN echo "deb http://ubuntu.openvidu.io/6.8.0 xenial kms6" | tee /etc/apt/sources.list.d/kurento.list \
 	&& apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 5AFA7A83 \
 	&& apt-get update \
-	&& apt-get -y dist-upgrade \
 	&& apt-get -y install kurento-media-server \
-	&& apt-get -y install openh264-gst-plugins-bad-1.5 \
 	&& rm -rf /var/lib/apt/lists/*
 
 COPY kms.sh /kms.sh
diff --git a/openvidu-insecure-js/docker/create_image.sh b/openvidu-insecure-js/docker/create_image.sh
index 5602c105..44858f04 100755
--- a/openvidu-insecure-js/docker/create_image.sh
+++ b/openvidu-insecure-js/docker/create_image.sh
@@ -5,7 +5,7 @@ cp ../../../openvidu/openvidu-server/target/openvidu-server-"$1".jar ./openvidu-
 cp -a ../web/. ./web/
 
 # Modify OpenVidu Server URL
-sed -i 's/url: "https:\/\/" + location\.hostname + ":4443/url: "https:\/\/" + location\.hostname + "/g' ./web/app.js
+sed -i 's/var OPENVIDU_SERVER_URL = "https:\/\/" + location\.hostname + ":4443";/var OPENVIDU_SERVER_URL = "https:\/\/" + location\.hostname;/g' ./web/app.js
 
 # Build docker image
 docker build -t openvidu/basic-videoconference-demo .
diff --git a/openvidu-insecure-js/web/app.js b/openvidu-insecure-js/web/app.js
index 896f25ad..d514f6a5 100644
--- a/openvidu-insecure-js/web/app.js
+++ b/openvidu-insecure-js/web/app.js
@@ -193,7 +193,7 @@ function getToken(mySessionId) {
 	return createSession(mySessionId).then(sessionId => createToken(sessionId));
 }
 
-function createSession(sessionId) {
+function createSession(sessionId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apisessions
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
@@ -219,7 +219,7 @@ function createSession(sessionId) {
 	});
 }
 
-function createToken(sessionId) {
+function createToken(sessionId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apitokens
 	return new Promise((resolve, reject) => {
 		$.ajax({
 			type: "POST",
diff --git a/openvidu-webcomponent/web/app.js b/openvidu-webcomponent/web/app.js
index 3d250f40..a9dc0eb0 100644
--- a/openvidu-webcomponent/web/app.js
+++ b/openvidu-webcomponent/web/app.js
@@ -44,7 +44,7 @@ function getToken(sessionName) {
     return createSession(sessionName).then((sessionId) => createToken(sessionId));
 }
 
-function createSession(sessionName) {
+function createSession(sessionName) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apisessions
     return new Promise((resolve, reject) => {
         $.ajax({
             type: 'POST',
@@ -78,7 +78,7 @@ function createSession(sessionName) {
     });
 }
 
-function createToken(sessionId) {
+function createToken(sessionId) { // See https://openvidu.io/docs/reference-docs/REST-API/#post-apitokens
     return new Promise((resolve, reject) => {
         $.ajax({
             type: 'POST',