Install ffmpeg to test if that resolves issue with recording

Dockerfile

@@ -37,6 +37,11 @@ VOLUME ["/configs"]
 # Create the calls local cache directory
 VOLUME ["/calls"]
 
+
+##### REMOVE ME OR PROPERLY ADD IF WORKS
+RUN apt-get install ffmpeg -y
+##### REMOVE ME OR PROPERLY ADD IF WORKS
+
 # Set the working directory in the container
 WORKDIR /app