diff --git a/.env b/.env
new file mode 100644
index 000000000..fe7ec8f33
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+GET_UIDATA_URL=https://apsviz-ui-data.apps.renci.org/get_ui_data?
\ No newline at end of file
diff --git a/.env.development b/.env.development
new file mode 100644
index 000000000..18eaf9664
--- /dev/null
+++ b/.env.development
@@ -0,0 +1 @@
+GET_UIDATA_URL=https://apsviz-ui-data-dev.apps.renci.org/get_ui_data?
\ No newline at end of file