Add missing step to README

.gitignore

@@ -9,3 +9,4 @@ inventory
 last_seen.json
 traintracker-dev.nginx.conf
 __pycache__/
+devops/ec2-secrets.py

README.md

@@ -40,8 +40,9 @@ The Flask app is run under gunicorn and controlled by systemd, which will restar
   - `TM_NTT_CERT_ARN` (for production)
   - `TM_LABS_WILDCARD_CERT_ARN` (for beta)
 3. A key named `transitmatters-ntt` needs to be available in your AWS account and copied to `~/.ssh/transitmatters-ntt.pem`.
-4. Run `cd devops && ./deploy.sh` (add `-p` for production) to deploy.
-5. You're all set! Visit:
+4. You will also need to create an `ec2-secrets.py` file in the `devops/` directory.
+5. Run `cd devops && ./deploy.sh` (add `-p` for production) to deploy.
+6. You're all set! Visit:
 - https://ntt-beta.labs.transitmatters.org for beta
 - https://traintracker.transitmatters.org for production