                    +-------------+                                       
                    |    user     |                                       
                    |             |                                       
                    +-------------+                                       
                       |                                                  
                       |        AWS Cloud                                 
+----------------------|-------------------------------------------------+
|                      |                                                 |
|                      v                                                 |
|                   +-------------+                                      |
|                   | CloudFront  |                                      |
|                   |             |                                      |
|                   +-------------+                                      |
|                      |                                                 |
|                      |  VPC                                            |
|  +-------------------|----------------------------+                    |
|  |                   |                            |                    |
|  |                Private Subnet                  |                    |
|  |  +----------------|------------------------+   |                    |
|  |  |                v                        |   |                    |
|  |  |             +-------------+             |   |                    |
|  |  |             |EC2 Instance |             |   |                    |
|  |  |             |             |             |   |                    |
|  |  |             +-------------+             |   |                    |
|  |  |                |   |                    |   |                    |
|  |  |                |   +-----------------------------+               |
|  |  |                v                        |   |    v               |
|  |  |             +--------------+            |   |  +--------------+  |
|  |  |             |     RDS      |            |   |  |  S3 Bucket   |  |
|  |  |             |              |            |   |  |              |  |
|  |  |             +--------------+            |   |  +--------------+  |
|  |  |                                         |   |                    |
|  |  +-----------------------------------------+   |                    |
|  |                                                |                    |
|  +------------------------------------------------+                    |
|                                                                        |
+------------------------------------------------------------------------+
