Fix environment variable not being forwarded to liquidsoap

entrypoint.sh

@@ -1,4 +1,6 @@
 #!/bin/bash -e
+HOSTNAME=${HOSTNAME:=localhost}
+PORT=${PORT:=8000}
 
 touch /songs/playlist.pls /jingles/playlist.pls
 
@@ -9,4 +11,4 @@ python /opt/je_te_met_en_pls.py /air-support
 /opt/ultrasync.sh &
 
 # Run Liquidsoap as zambla user
-runuser -l zambla -c 'liquidsoap /opt/radio.liq'
+runuser -l zambla -c "HOSTNAME=$HOSTNAME PORT=$PORT liquidsoap /opt/radio.liq"