RE1-T119 PR#385 fix

Author: ucswift

Web/Resgrid.Web.Tts/Dockerfile

@@ -32,6 +32,9 @@ RUN apt-get update \
 		xz-utils \
 	&& rm -rf /var/lib/apt/lists/* \
 	&& curl -fsSL --retry 3 --retry-delay 5 "https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz" -o /tmp/ffmpeg.tar.xz \
+	&& curl -fsSL "https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz.md5" -o /tmp/ffmpeg.tar.xz.md5 \
+	&& echo "$(awk '{print $1}' /tmp/ffmpeg.tar.xz.md5)  /tmp/ffmpeg.tar.xz" | md5sum -c - \
+	&& rm -f /tmp/ffmpeg.tar.xz.md5 \
 	&& tar -xf /tmp/ffmpeg.tar.xz -C /tmp \
 	&& mkdir -p /usr/local/bin \
 	&& ffmpeg_path=$(find /tmp -name 'ffmpeg' -type f -executable -not -path '*/lib/*' -print -quit) \