add payton's sections to chapter 9; remove unnecessary sections/screenshots, reformat as necessary

chapters/devopsCloudDockerDeployment.tex

@@ -117,6 +117,8 @@ curl -I http://127.0.0.1
 The create command assumes the container name is unused. The restart policy
 allows the running service to resume after a host restart. The application binds
 to all container interfaces, and the AWS security group permits public HTTP.
+Since October 15, 2026, the container no longer publishes port 80; Caddy serves
+it by IP over the private Docker network (\ChapterRef{GiteaFoundation}).
 
 \section{Verification Evidence}
 The terminal screenshot shows container \texttt{70ed56f7fae8} running, the