Flutter Production Level-Up: 3-Stage Build Variants (Flavor) and Environment Switching Without Code Modification

"Still manually changing code every time you switch server addresses?" In production environments, Development (Dev), Staging, and Production (Prod) environments are strictly separated. However, many developers are exposed to deployment risks by manually changing variables in a single main.dart file. This course covers a 'real production-grade architecture' that instantly switches environments simply by selecting a build target, without modifying a single line of code.