Merge pull request #1256 from charles-langley/patch-1

Update digitalocean-app-platform.md

Author: stb13579

docs/developer-docs/latest/setup-deployment-guides/deployment/hosting-guides/digitalocean-app-platform.md

@@ -299,7 +299,7 @@ export default ({ env }) => ({
       user,
       password,
       ssl: {
-        rejectUnauthorized: false,
+        ca: env('DATABASE_CA'),
       },
     },
       debug: false,
@@ -330,6 +330,14 @@ After creating the managed database, navigate to the application page:
 3. Use the picklist to select the previously created database.
 4. Click **Attach Database**.
 
+### Configure environment variables for production-ready managed database
+Remove the previously added 'DATABASE_*' global variables added for connecting to the dev database, then set the following environment variables, inserting your database name (e.g. `db-postgresql-nyc3-1234`) in place of `dbClusterName`:
+
+    | Variable name       | Value                          |
+    |---------------------|--------------------------------|
+    | `DATABASE_URL`      | `${dbClusterName.DATABASE_URL}`|
+    | `DATABASE_CA`       | `${dbClusterName.CA_CERT}`     |
+
 After attaching the database, DigitalOcean will attempt to auto-deploy the application. If the deployment is successful a link to the application will be provided at the top of the application page.
 
 ::: caution