From 240361b55be159c2297ce11ac45022810b06845f Mon Sep 17 00:00:00 2001
From: MartinBraquet <martin.braquet@gmail.com>
Date: Mon, 15 Sep 2025 18:07:25 +0200
Subject: [PATCH] Access API at / install of /v0/

---
 backend/api/main.tf | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/backend/api/main.tf b/backend/api/main.tf
index 9ba5f196..f59cd4a7 100644
--- a/backend/api/main.tf
+++ b/backend/api/main.tf
@@ -175,7 +175,7 @@ resource "google_compute_backend_service" "api_backend" {
 # URL map
 resource "google_compute_url_map" "api_url_map" {
   name            = "${local.service_name}-url-map"
-  default_service = google_compute_backend_service.api_backend.id
+  default_service = google_compute_backend_service.api_backend.self_link
 
   host_rule {
     hosts        = ["*"]
@@ -185,9 +185,33 @@ resource "google_compute_url_map" "api_url_map" {
   path_matcher {
     name            = "allpaths"
     default_service = google_compute_backend_service.api_backend.self_link
+
+    # Priority 0: passthrough /v0/* requests
+    route_rules {
+      priority = 1
+      match_rules {
+        prefix_match = "/v0"
+      }
+      service = google_compute_backend_service.api_backend.self_link
+    }
+
+    # Priority 1: rewrite everything else to /v0
+    route_rules {
+      priority = 2
+      match_rules {
+        prefix_match = "/"
+      }
+      route_action {
+        url_rewrite {
+          path_prefix_rewrite = "/v0/"
+        }
+      }
+      service = google_compute_backend_service.api_backend.self_link
+    }
   }
 }
 
+
 # HTTPS proxy
 resource "google_compute_target_https_proxy" "api_https_proxy" {
   name             = "${local.service_name}-https-proxy"