operations: Complete migration to AWS ECS.

operations/terraform/ecr.tf

@@ -0,0 +1,8 @@
+resource "aws_ecr_repository" "personal_measure_api" {
+  name                  = "personal_measure_api"
+  image_tag_mutability  = "IMMUTABLE"
+
+  image_scanning_configuration {
+    scan_on_push  = true
+  }
+}