Merge pull request #183 from refactor-group/fix_mailersend_api_key_deployment_issue

MAILERSEND_API_KEY should be set as a secret, not an env var

Author: jhodapp

.github/workflows/deploy_to_do.yml

@@ -115,7 +115,7 @@ jobs:
           # -------- Mailersend Config
           # Template ID for welcome emails
           WELCOME_EMAIL_TEMPLATE_ID=${{ vars.WELCOME_EMAIL_TEMPLATE_ID }}
-          MAILERSEND_API_KEY=${{ vars.MAILERSEND_API_KEY }}
+          MAILERSEND_API_KEY=${{ secrets.MAILERSEND_API_KEY }}
 
           # -------- Frontend Config
           # Docker image for frontend