diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..7e99ada
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,4 @@
+CLOUDFLARE_EMAIL=
+CLOUDFLARE_API_KEY=
+CERTBOT_EMAIL=
+DOMAINS=*.example.com,example.com,example2.com,test.example.com