Trying to fix the Dockerfile, take 3

Dockerfile

@@ -8,10 +8,8 @@ EXPOSE ${PRESTO_PORT}
 WORKDIR /app
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Trying to avoid this error on CI:
-# E: Problem executing scripts APT::Update::Post-Invoke 'rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true'
-RUN mkdir -p /var/cache/apt/archives/partial
-RUN apt-get update -qq && apt-get install -y --no-install-recommends ffmpeg cmake swig libavcodec-dev libavformat-dev git
+RUN apt update
+RUN apt install -y --no-install-recommends ffmpeg cmake swig libavcodec-dev libavformat-dev git
 RUN ln -s /usr/bin/ffmpeg /usr/local/bin/ffmpeg
 
 COPY ./threatexchange /app/threatexchange