fix stripe image build

production/.env.docker.production.example

@@ -86,6 +86,7 @@ MAIL_REPLY_TO_ADDRESS=rentaldrivego@gmail.com
 MAIL_REPLY_TO_NAME=RentalDriveGo
 
 # Stripe subscription checkout
-# Prefer a restricted API key (rk_) with the minimum Billing/Checkout permissions.
+# Prefer a live restricted API key (rk_live_) with the minimum Billing/Checkout permissions.
+# Gitea deploys can override these from STRIPE_API_KEY and STRIPE_WEBHOOK_SECRET secrets.
 STRIPE_API_KEY=placeholder
 STRIPE_WEBHOOK_SECRET=placeholder

production/scripts/docker-prod-common.sh

@@ -233,8 +233,8 @@ validate_prod_env_file() {
     exit 1
   fi
 
-  if [[ "${stripe_api_key}" != sk_* && "${stripe_api_key}" != rk_* ]]; then
-    echo "Invalid STRIPE_API_KEY in ${ENV_FILE}. It must start with sk_ or rk_." >&2
+  if [[ "${stripe_api_key}" != sk_live_* && "${stripe_api_key}" != rk_live_* ]]; then
+    echo "Invalid STRIPE_API_KEY in ${ENV_FILE}. It must start with sk_live_ or rk_live_ for production billing." >&2
     exit 1
   fi