fix: comma and defaults for for entrypoint

Author: Bccorb

entrypoint.sh

@@ -2,8 +2,8 @@
 
 cat <<EOF > /usr/share/nginx/html/config.js
 window.__SEAMLESS_CONFIG__ = {
-  API_URL: "${API_URL}"
-  AUTH_MODE: "${AUTH_MODE}"
+  API_URL: "${API_URL:-http://localhost:3000/auth}",
+  AUTH_MODE: "${AUTH_MODE:-server}"
 };
 EOF