Increasing the agility of your application teams often means setting up reliable, scalable build infrastructure—this is especially true for rapidly iterative iOS application development teams. Amazon EC2 Mac instances enable your macOS workloads to benefit from the flexibility, scalability, and operational efficiency of AWS cloud infrastructure. CloudBees Software Delivery Automation is a centralized solution that manages Jenkins Controllers, providing scalable security, compliance, and efficiency of Jenkins in Enterprises. In this lightning talk we will look at a scalable iOS build environment setup with Jenkins and Amazon EC2 Mac instances.