docker image builds and runs. Credential/error improvements

docker-entrypoint.sh

@@ -1,16 +1,16 @@
 #!/bin/sh
-set -e;
 
-data_init=/app/data_init
-data=/app/data
+set -e
 
-# populate /app/data if empty
-for i in $(ls $data_init)
-do
-    if [ ! -e "$data/$i" ]; then
-        [ -f "$data_init/$i" ] && cp "$data_init/$i" "$data/$i"
-        [ -d "$data_init/$i" ] && cp -r "$data_init/$i" "$data/$i"
-    fi
-done
+data_init="/app/data_init"
+data="/app/data"
 
+# Merge data_init into data without overwrites.
+cp -R -n "$data_init/." "$data/"
+
+echo "Yt-dlp update"
+# TODO: Update yt-dlp. It should not crash the entrypoint if ca-certificates is not installed
+# yt-dlp -U
+
+echo "Running EllieBot"
 exec "$@"