diff --git a/.dockerignore b/.dockerignore
index 7204a22..1053de4 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -52,3 +52,6 @@ cypress/screenshots
 # docker
 Dockerfile
 .dockerignore
+
+# instance list
+instances.json
diff --git a/instances.json b/instances.json
new file mode 100644
index 0000000..8392f27
--- /dev/null
+++ b/instances.json
@@ -0,0 +1,7 @@
+[
+  "https://lingva.ml",
+  "https://translate.alefvanoon.xyz",
+  "https://translate.igna.rocks",
+  "https://lingva.pussthecat.org",
+  "https://translate.datatunnel.xyz"
+]