include CONVEX_CLOUD_ORIGIN and CONVEX_SITE_ORIGIN

Author: emmaling27

Diff for: .github/workflows/release_self_hosted_images.yml

@@ -14,6 +14,8 @@ jobs:
         image: ghcr.io/get-convex/convex-backend:latest
         env:
           ACTIONS_USER_TIMEOUT_SECS: "20"
+          CONVEX_CLOUD_ORIGIN: "http://127.0.0.1:3210"
+          CONVEX_SITE_ORIGIN: "http://127.0.0.1:3211"
         ports:
           - "3210:3210" # Backend API
           - "3211:3211" # Site proxy