Setup ytdl option file

services/youtube-dl/config/ytdl_options.json

@@ -0,0 +1,18 @@
+{
+    "writesubtitles": true,
+    "subtitleslangs": [
+        "all",
+        "-live_chat"
+    ],
+    "subtitlesformat": "ass/srt/best",
+    "postprocessors": [
+        {
+            "key": "FFmpegEmbedSubtitle"
+        },
+        {
+            "key": "FFmpegMetadata"
+        }
+    ],
+    "format": "(bv*[vcodec~='^((he|a)vc|h26[45])']+ba) / (bv*+ba/b)",
+    "merge_output_format": "mkv"
+}

services/youtube-dl/docker-compose.yml

@@ -7,19 +7,12 @@ services:
     environment:
       UID: ${NASCOMPOSE_UID?}
       GID: ${NASCOMPOSE_GID?}
-      YTDL_OPTIONS: >
-        {
-          "writesubtitles": true,
-          "subtitleslangs": ["all", "-live_chat"],
-          "subtitlesformat": "ass/srt/best",
-          "postprocessors": [
-            { "key": "FFmpegEmbedSubtitle" },
-            { "key": "FFmpegMetadata" }
-          ]
-        }
+      YTDL_OPTIONS_FILE: /etc/ytdl_options.json
+      DELETE_FILE_ON_TRASHCAN: true
     networks:
       - reverse-proxy
     volumes:
+      - ${NASCOMPOSE_SERVICES?}/youtube-dl/config/ytdl_options.json:/etc/ytdl_options.json:ro
       - ${NASCOMPOSE_DATA?}/ytdl/:/downloads/
     restart: unless-stopped
     labels: