Update Dockerfile

Dockerfile

@@ -1,11 +1,14 @@
 FROM node:latest
 
 RUN apt-get update && \
-    apt-get install -y software-properties-common && \
-    add-apt-repository multiverse && \
-    add-apt-repository non-free && \
-    apt-get update && \
-    apt-get install -y ffmpeg && \
+    apt-get install -y curl && \
+    curl https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz -o ffmpeg.tar.xz && \
+    tar -xf ffmpeg.tar.xz && \
+    rm ffmpeg.tar.xz && \
+    mv ffmpeg-*-static/ffmpeg /usr/local/bin/ && \
+    rm -rf ffmpeg-*-static && \
+    apt-get remove -y curl && \
+    apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app