Manually install an SSL certificate on my Google App Engine

After your certificate request is approved, you can download your certificate  from the SSL manager and install it on your Google App Engine inside the Google Cloud Platform.

If you're utilizing the Google Compute Engine instead of the Google App Engine, you'll want to connect to your instance and install the certificate manually.

1. Sign in to your Google Cloud Platform account at https://console.cloud.google.com. 
2. In the Navigation menu on the left, select App Engine.
3. Under App Engine on the left panel, click Settings.
4. In the main section, click the SSL Certificates menu at the top.
5. Click the blue Upload a new certificate button.
6. On the new window, enter a name that will allow you to easily identify your SSL at a later date in the Name field.
7. For the public key certificate field, simply paste the text from your randomly named .crt file, then in a new line paste the text from your gd_bundle.crt (or similar) file.
• Be sure to should include the "-----BEGIN CERTIFICATE-----" and "-----END CERTIFICATE-----" lines.
• You should have a total of four certificate bundles between the two files in this text field.
8. For the private key field, simply paste the text from your coolexample.com.key file.
• This should include the "-----BEGIN RSA PRIVATE KEY-----" and "-----END RSA PRIVATE KEY-----" lines.
9. Click the blue Upload button.
10. On the Edit Certificate page, find the Enable SSL for the following custom domains section.
11. Check the boxes for the domains you are securing with your certificate.
12. Click the blue Save button at the top of the page to finalize the SSL install.

Next steps

• Use our Certificate Checker  to confirm the SSL is installed.
• Redirect your web app to HTTPS

More info

• Renewing your SSL certificate.

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