Bước 1. Khởi tạo project và add dependencies: <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>${spring.boot.version}</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <version>${spring.boot.version}</version> <scope>test</scope> </dependency> Với <spring.boot.version>2.7.0</spring.boot.version> Bước ...