Update Dockerfile

Dockerfile

@@ -1,14 +1,13 @@
 FROM python:3.9-slim
 
 WORKDIR /app
-RUN apt-get update && apt-get install -y software-properties-common
-RUN add-apt-repository -y ppa:savoury1/ffmpeg4 
-RUN apt-get update && apt-get -qq install -y ffmpeg
-RUN apt-get install \
-    build-essential \
-    curl \
-    git \
-    && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get -qq install -y \
+  ffmpeg \
+  build-essential \
+  curl \
+  software-properties-common \
+  git \
+  && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt ./
 COPY src/ ./src/