← ALL WORKCASE 03 / CLOUD INFRASTRUCTURE / 2026

Three-tier AWS
application.

A segmented, multi-AZ application environment built with clear network and security boundaries.

PUBLIC / LOAD BALANCINGAPPLICATION / COMPUTEPRIVATE / DATA
ROLECloud Infrastructure
STACKVPC · EC2 · Nginx · Tomcat · RDS MySQL
YEAR2026
01 / THE BRIEF

Separate concerns.
Limit exposure.

Deploy a three-tier application across two availability zones with network segmentation and layered security groups.

02 / THE BUILD

Six subnets.
Four security layers.

Created public, application and data subnets across two AZs, with layered security groups, NAT gateways, Nginx, Tomcat/Spring Boot and RDS MySQL. Debugged a Tomcat 10 Jakarta migration and a ROOT webapp deployment conflict.

03 / THE LEARNING

Infrastructure
is in the details.

The project reinforced practical network isolation, application server troubleshooting and database access boundaries.

VIEW SOURCE REPOSITORY ↗