web: configure startAudioOnly using environment variable

docker-compose.yml

@@ -76,6 +76,7 @@ services:
             - RESOLUTION_MIN
             - RESOLUTION_WIDTH
             - RESOLUTION_WIDTH_MIN
+            - START_AUDIO_ONLY
             - START_AUDIO_MUTED
             - START_BITRATE
             - START_VIDEO_MUTED

web/rootfs/defaults/settings-config.js

@@ -22,6 +22,7 @@
 {{ $RESOLUTION_MIN := .Env.RESOLUTION_MIN | default "180" -}}
 {{ $RESOLUTION_WIDTH := .Env.RESOLUTION_WIDTH | default "1280" -}}
 {{ $RESOLUTION_WIDTH_MIN := .Env.RESOLUTION_WIDTH_MIN | default "320" -}}
+{{ $START_AUDIO_ONLY := .Env.START_AUDIO_ONLY | default "false" | toBool -}}
 {{ $START_AUDIO_MUTED := .Env.START_AUDIO_MUTED | default 10 -}}
 {{ $START_VIDEO_MUTED := .Env.START_VIDEO_MUTED | default 10 -}}
 {{ $TESTING_OCTO_PROBABILITY := .Env.TESTING_OCTO_PROBABILITY | default "0" -}}
@@ -55,6 +56,7 @@ config.enableNoAudioDetection = {{ $ENABLE_NO_AUDIO_DETECTION }};
 config.enableTalkWhileMuted = {{ $ENABLE_TALK_WHILE_MUTED }};
 config.disableAP = {{ not $ENABLE_AUDIO_PROCESSING }};
 config.stereo = {{ $ENABLE_STEREO }};
+config.startAudioOnly = {{ $START_AUDIO_ONLY }};
 config.startAudioMuted = {{ $START_AUDIO_MUTED }};