diff --git a/startup.sh b/startup.sh
index 4356c9a..cf0c582 100755
--- a/startup.sh
+++ b/startup.sh
@@ -12,10 +12,10 @@
 
 SUBSONIC_HOME=/var/subsonic
 SUBSONIC_HOST=0.0.0.0
-SUBSONIC_PORT=4040
-SUBSONIC_HTTPS_PORT=0
-SUBSONIC_CONTEXT_PATH=/
-SUBSONIC_MAX_MEMORY=200
+SUBSONIC_PORT=${HTTP_PORT}
+SUBSONIC_HTTPS_PORT=${HTTPS_PORT}
+SUBSONIC_CONTEXT_PATH=${CONTEXT_PATH}
+SUBSONIC_MAX_MEMORY=${MAX_MEM}
 SUBSONIC_PIDFILE=
 SUBSONIC_DEFAULT_MUSIC_FOLDER=/var/music
 SUBSONIC_DEFAULT_PODCAST_FOLDER=${SUBSONIC_HOME}/podcasts