Incorporate PR feedback

Move the default assignment of AUDIO_DOWNLOAD_DIR from the Dockerfile to docker-entrypoint.sh, and change the default value from "/downloads" to $DOWNLOAD_DIR.

Dockerfile

@@ -61,7 +61,6 @@ ENV PGID=1000
 ENV UMASK=022
 
 ENV DOWNLOAD_DIR=/downloads
-ENV AUDIO_DOWNLOAD_DIR=/downloads
 ENV STATE_DIR=/downloads/.metube
 ENV TEMP_DIR=/downloads
 ENV PORT=8081

docker-entrypoint.sh

@@ -2,6 +2,7 @@
 
 PUID="${UID:-$PUID}"
 PGID="${GID:-$PGID}"
+AUDIO_DOWNLOAD_DIR="${AUDIO_DOWNLOAD_DIR:-$DOWNLOAD_DIR}"
 
 echo "Setting umask to ${UMASK}"
 umask ${UMASK}