update README.md

README.md

@@ -54,6 +54,12 @@ If you have found a bug or if you have a feature request, please report them at
 
 [Auth0](https://auth0.com)
 
+## Deploy to Netlify
+You can deploy this example as a site on your own to explore and experiment with, by clicking this button.
+After deploy, install Auth0 by Okta extension in Netlify and follow the steps to create an App.
+
+<a href="https://app.netlify.com/start/deploy?repository=https://github.com/auth0-samples/auth0-angular-samples"><img src="https://www.netlify.com/img/deploy/button.svg" alt="Deploy to Netlify" height=30px></a>
+
 ## License
 
 This project is licensed under the MIT license. See the [LICENSE](LICENSE) file for more info.

netlify.toml

@@ -1,4 +1,11 @@
 [build]
     base = "Sample-01"
-    command = "printf '{\"domain\":\"%s\", \"clientId\":\"%s\", \"apiUri\":\"%s\", \"authorizationParams\":{\"audience\":\"%s\"}}' \"${AUTH0_DOMAIN}\" \"${AUTH0_CLIENT_ID}\" \"${URL}\" \"${AUTH0_AUDIENCE}\"> auth_config.json && npm install && npm run build"
+    command = """if [ -z "${AUTH0_DOMAIN}" ] || [ -z "${AUTH0_CLIENT_ID}" ] || [ -z "${AUTH0_AUDIENCE}" ]; then
+            echo "Error: One or more environment variables (AUTH0_DOMAIN, AUTH0_CLIENT_ID, AUTH0_AUDIENCE) are not set or are empty."
+            exit 1
+        fi
+        printf '{\"domain\":\"%s\", \"clientId\":\"%s\", \"apiUri\":\"%s\", \"authorizationParams\":{\"audience\":\"%s\"}}' "${AUTH0_DOMAIN}" "${AUTH0_CLIENT_ID}" "${URL}" "${AUTH0_AUDIENCE}"> auth_config.json
+        npm install
+        npm run build
+    """
     publish = "dist/login-demo"