* force adding user/group even if GID/UID is duplicate

* allow running FPM as root, if needed

app/startup.sh

@@ -10,8 +10,14 @@ unset HTTP_PORT
 unset HTTP_HOST
 
 if ! id app >/dev/null 2>&1; then
-	addgroup -g $OWNER_GID app
+
-	adduser -D -h /var/www/html -G app -u $OWNER_UID app
+	# what if i actually need a duplicate GID/UID group?
+
+	addgroup -g $OWNER_GID app || echo app:x:$OWNER_GID:app | \
+		tee -a /etc/group
+
+	adduser -D -h /var/www/html -G app -u $OWNER_UID app || \
+		echo app:x:$OWNER_UID:$OWNER_GID:Linux User,,,:/var/www/html:/bin/ash | tee -a /etc/passwd
 fi
 
 update-ca-certificates || true
@@ -115,4 +121,4 @@ rm -f /tmp/error.log && mkfifo /tmp/error.log && chown app:app /tmp/error.log
 
 touch $DST_DIR/.app_is_ready
 
-exec /usr/sbin/php-fpm8 --nodaemonize --force-stderr
+exec /usr/sbin/php-fpm8 --nodaemonize --force-stderr -R