I have deployed a Flask app in EB (single instance) environment and it\'s working well, and I\'m now trying to configure it for https with a self-signed certificate to test
You should indent all content below /etc/httpd/conf.d/ssl.conf line:
/etc/httpd/conf.d/ssl.conf
files: /etc/httpd/conf.d/ssl.conf: mode: "000644" owner: root group: root content: | multiline file content goes here