added ECS fargate spring boot free course (#9434)

courses/free-courses-en.md

@@ -351,6 +351,7 @@
 * [AWS Certified Cloud Practitioner Course](https://youtube.com/playlist?list=PLt1SIbA8guuvfvUDVLpJepmbnYpOfYCIB) - Stephane Maarek
 * [AWS Tutorial For Beginners](https://youtube.com/playlist?list=PLEiEAq2VkUULlNtIFhEQHo8gacvme35rz) - Simplilearn
 * [Cloud Computing Basics with AWS](https://trailhead.salesforce.com/content/learn/modules/aws-cloud) - Trailhead (Salesforce) (email address *required*)
+* [Deploying Spring Boot Applications With AWS ECS Fargate (Free Course)](https://javatodev.com/deploying-spring-boot-applications-with-aws-ecs/) - Chinthaka Dinadasa (javatodev)
 
 
 #### Azure