Microservice architecture, cloud computing background, various design patterns, Singleton, Factory, Observer, Command, Iterator, Mediator, Memento, State, Strategy, Template Method, Visitor, Bridge, Composite, Decorator, Flyweight, Proxy, Chain of Responsibility, modern laptop, sleek keyboard, dual monitors, coding software, colorful syntax highlighting, intricate circuit board, wires, microchips, futuristic ambiance, neon lights, high-tech laboratory, 3/4 composition, low-angle shot, warm color tone, cinematic lighting.