Address code review feedback: Add timeout check and clarify docs

Co-authored-by: rchincha <45800463+rchincha@users.noreply.github.com>

examples/kind/README.md

@@ -69,7 +69,8 @@ The script will:
 3. Create a kind cluster with OIDC configuration
 4. Deploy zot with OIDC authentication enabled
 5. Configure RBAC for OIDC users
-6. Wait for user input before cleanup
+6. In interactive mode: Wait for user input before cleanup
+   In non-interactive mode: Automatically cleanup after validation
 
 #### OIDC Configuration Details
 

examples/kind/kind-oidc.sh

@@ -88,15 +88,22 @@ docker run -d --name dex-server \
 
 # Wait for Dex to start
 echo "Waiting for Dex to be ready..."
+DEX_READY=false
 for i in $(seq 1 30); do
   if docker exec dex-server wget -qO- --no-check-certificate https://localhost:10443/dex/.well-known/openid-configuration > /dev/null 2>&1; then
     echo "Dex is ready"
+    DEX_READY=true
     break
   fi
   echo "Waiting for Dex... ($i/30)"
   sleep 2
 done
 
+if [ "$DEX_READY" = false ]; then
+  echo "ERROR: Dex failed to become ready within timeout"
+  exit 1
+fi
+
 # create registry container unless it already exists
 reg_name='kind-registry'
 reg_port='5001'