https://youtu.be/SFK5yJbFHz0 The Running Your Application sub-section of the Using Spring Boot section has the following sub-sub-sections: Running From an IDE, Running as a Packaged Application, Using the Maven Plugin, Using the Gradle Plugin, Hot Swapping The Developer Tools sub-section of the Using Spring Boot section has the following sub-sub-sections: Diagnosing Classloading Issues, Property Defaults, Automatic Restart, LiveReload, Global Settings, Remote Applications Core Features section covers Profiles, Logging, Internationalization, Task Execution and Scheduling, Testing, and more. Core Features section has the following sub-sections: SpringApplication, Externalized Configuration, Profiles, Logging, Internationalization, JSON, Task Execution and Scheduling, Testing, Docker Compose Support, Creating Your Own Auto-configuration, Kotlin Support, SSL. The SpringApplication sub-section of the Core Features section has the following sub-sub-sections: Startup Failure, Lazy Initialization, Customizing the Banner, Customizing SpringApplication, Fluent Builder API, Application Availability, Application Events and Listeners, Web Environment, Accessing Application Arguments, Using the ApplicationRunner or CommandLineRunner, Application Exit, Admin Features, Application Startup tracking The Externalized Configuration sub-section of the Core Features section has the following sub-sub-sections: Accessing Command Line Properties, JSON Application Properties, External Application Properties, Encrypting Properties, Working With YAML, Configuring Random Values, Configuring System Environment Properties, Type-safe Configuration Properties The Profiles sub-section of the Core Features section has the following sub-sub-sections: Adding Active Profiles, Profile Groups, Programmatically Setting Profiles, Profile-specific Configuration Files The Logging sub-section of the Core Features section has the following sub-sub-sections: Log Format, Console Output, File Output, File Rotation, Log Levels, Log Groups, Using a Log Shutdown Hook, Custom Log Configuration, Logback Extensions, Log4j2 Extensions The JSON sub-section of the Core Features section has the following sub-sub-sections: Jackson, Gson, JSON-B The Testing sub-section of the Core Features section has the following sub-sub-sections: Test Scope Dependencies, Testing Spring Applications, Testing Spring Boot Applications, Testcontainers, Test Utilities The Docker Compose Support sub-section of the Core Features section has the following sub-sub-sections: Service Connections, Custom Images, Skipping Specific Containers, Using a Specific Compose File, Waiting for Container Readiness, Controlling the Docker Compose Lifecycle, Activating Docker Compose Profiles