Fix Docker container not using PUID and PGID environment variables

start.sh

@@ -1,2 +1,12 @@
 #!/usr/bin/env bash
-python Tautulli.py &> /dev/null &
+
+if [[ "$TAUTULLI_DOCKER" = "True" ]]; then
+    PUID=${PUID:-1000}
+    PGID=${PGID:-1000}
+    getent group tautulli 2>&1 > /dev/null || groupadd -g "$PGID" tautulli
+    getent passwd tautulli 2>&1 > /dev/null || useradd -r -u "$PUID" -g tautulli tautulli
+    chown -f -R tautulli:tautulli /config
+    python Tautulli.py --datadir /config
+else
+    python Tautulli.py &> /dev/null &
+fi