openvidu-recording docker container: headless chrome mode

openvidu-server/docker/openvidu-recording/Dockerfile

@@ -7,6 +7,9 @@ RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key
   echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" | tee /etc/apt/sources.list.d/google-chrome.list && \
   apt-get update && apt-get install -y google-chrome-stable
 
+# Download selenium-server
+RUN wget --no-verbose https://selenium-release.storage.googleapis.com/3.141/selenium-server-standalone-3.141.59.jar -O /selenium-server-standalone.jar
+
 # Install media packages
 RUN apt-get install -y software-properties-common
 RUN add-apt-repository ppa:jonathonf/ffmpeg-4
@@ -16,6 +19,9 @@ RUN apt-get install -y ffmpeg pulseaudio xvfb
 # Install jq for managing JSON
 RUN apt-get install -y jq
 
+# Install Java 8
+RUN apt-get install -y openjdk-8-jdk-headless
+
 # Clean
 RUN apt-get autoclean
 

openvidu-server/docker/openvidu-recording/entrypoint.sh

@@ -1,5 +1,14 @@
 #!/bin/bash
 
+### Use container as a single headless chrome ###
+
+if [ "$HEADLESS_CHROME_ONLY" == true ]; then
+    java -jar -Dwebdriver.chrome.driver="$CHROME_DRIVER_PATH" /selenium-server-standalone.jar &> /selenium-server.log &
+    sleep 100000000
+else
+
+### Use container as OpenVidu recording module ###
+
 ### Variables ###
 
 URL=${URL:-https://www.youtube.com/watch?v=JMuzlEQz3uo}
@@ -107,3 +116,5 @@ ffmpeg -ss $MIDDLE_TIME -i /recordings/$VIDEO_ID/$VIDEO_NAME.$VIDEO_FORMAT -vfra
 ### Change permissions to all generated files ###
 
 sudo chmod -R 777 /recordings/$VIDEO_ID
+
+fi