SpringBoot
1.Servlet 컨테이너, Spring 컨테이너
Servlet, Tomcat, ServletContainerInitilizer, @HandlesType, @WebServlet, ServletContext, WebApplicationInitilizer, SpringServletContainerInitializer
2.SpringBoot 내장 톰캣
tomcat-embed, SpringApplication, @SpringBootApplication, META-INF, BOOT-INF, JarLauncher
3.SpringBoot 라이브러리 버전 관리
spring-boot-starter, io.spring.dependency-management
4.SpringBoot AutoConfiguration
@AutoConfiguration, @Conditional, @Import, ImportSelector, @EnableAutoConfiguration, AutoConfigurationExcludeFilter
5.Spring Profile 과 application.properties
ApplicationArguments, DefaultApplicationArguments, profile, application.properties, Environment, PropertySource, spring.profiles.active
6.@ConfigurationProperties, @Profile
@Value, @ConfigurationProperteis, @EnableConfigurationProperties, @ConfigurationPropertiesScan, @DefaultValue, @Profile
7.Spring Actuator
spring-actuator, endpoint, health, info, loggers, httpexchanges
8.Prometheus, Grafana with Spring Actuator
spring actuator, micrometer, prometheus, grafana, PromQL, gauge, counter, increase, rate, irate, sum, sum by, count, offset