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Spring Boot Documentation

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    • Getting Started
      • Introducing Spring Boot
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      • What to Read Next
    • Upgrading Spring Boot
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    • Developing with Spring Boot
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      • Using the @SpringBootApplication Annotation
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      • What to Read Next
    • Core Features
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        • Startup Failure
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        • Customizing SpringApplication
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        • Application Events and Listeners
        • Web Environment
        • Accessing Application Arguments
        • Using the ApplicationRunner or CommandLineRunner
        • Application Exit
        • Admin Features
        • Application Startup tracking
      • Externalized Configuration
        • Accessing Command Line Properties
        • JSON Application Properties
        • External Application Properties
          • Optional Locations
          • Wildcard Locations
          • Profile Specific Files
          • Importing Additional Data
          • Importing Extensionless Files
          • Using Configuration Trees
          • Property Placeholders
          • Working With Multi-Document Files
          • Activation Properties
        • Encrypting Properties
        • Working With YAML
        • Configuring Random Values
        • Configuring System Environment Properties
        • Type-safe Configuration Properties
          • JavaBean Properties Binding
          • Constructor Binding
          • Enabling @ConfigurationProperties-annotated Types
          • Using @ConfigurationProperties-annotated Types
          • Third-party Configuration
          • Relaxed Binding
          • Merging Complex Types
          • Properties Conversion
          • @ConfigurationProperties Validation
          • @ConfigurationProperties vs. @Value
      • Profiles
      • Logging
        • Log Format
        • Console Output
        • File Output
        • File Rotation
        • Log Levels
        • Log Groups
        • Using a Log Shutdown Hook
        • Custom Log Configuration
        • Logback Extensions
        • Log4j2 Extensions
      • Internationalization
      • JSON
      • Task Execution and Scheduling
      • Testing
        • Test Scope Dependencies
        • Testing Spring Applications
        • Testing Spring Boot Applications
          • Detecting Web Application Type
          • Detecting Test Configuration
          • Using the Test Configuration Main Method
          • Excluding Test Configuration
          • Using Application Arguments
          • Testing With a Mock Environment
          • Testing With a Running Server
          • Customizing WebTestClient
          • Using JMX
          • Using Metrics
          • Using Tracing
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          • Auto-configured Tests
          • Auto-configured JSON Tests
          • Auto-configured Spring MVC Tests
          • Auto-configured Spring WebFlux Tests
          • Auto-configured Spring GraphQL Tests
          • Auto-configured Data Cassandra Tests
          • Auto-configured Data Couchbase Tests
          • Auto-configured Data Elasticsearch Tests
          • Auto-configured Data JPA Tests
          • Auto-configured JDBC Tests
          • Auto-configured Data JDBC Tests
          • Auto-configured jOOQ Tests
          • Auto-configured Data MongoDB Tests
          • Auto-configured Data Neo4j Tests
          • Auto-configured Data Redis Tests
          • Auto-configured Data LDAP Tests
          • Auto-configured REST Clients
          • Auto-configured Spring REST Docs Tests
          • Auto-configured Spring Web Services Tests
          • Additional Auto-configuration and Slicing
          • User Configuration and Slicing
          • Using Spock to Test Spring Boot Applications
        • Test Utilities
      • Creating Your Own Auto-configuration
        • Understanding Auto-configured Beans
        • Locating Auto-configuration Candidates
        • Condition Annotations
        • Testing your Auto-configuration
        • Creating Your Own Starter
      • Kotlin Support
      • What to Read Next
    • Web
      • Servlet Web Applications
        • The “Spring Web MVC Framework”
        • JAX-RS and Jersey
        • Embedded Servlet Container Support
      • Reactive Web Applications
        • The “Spring WebFlux Framework”
        • Embedded Reactive Server Support
        • Reactive Server Resources Configuration
      • Graceful Shutdown
      • Spring Security
        • MVC Security
        • WebFlux Security
        • OAuth2
        • SAML 2.0
      • Spring Session
      • Spring for GraphQL
      • Spring HATEOAS
      • What to Read Next
    • Data
      • SQL Databases
        • Configure a DataSource
        • Using JdbcTemplate
        • JPA and Spring Data JPA
        • Spring Data JDBC
        • Using H2’s Web Console
        • Using jOOQ
        • Using R2DBC
      • Working with NoSQL Technologies
        • Redis
        • MongoDB
        • Neo4j
        • Elasticsearch
        • Cassandra
        • Couchbase
        • LDAP
        • InfluxDB
      • What to Read Next
    • Messaging
      • JMS
      • AMQP
      • Apache Kafka Support
      • RSocket
      • Spring Integration
      • WebSockets
      • What to Read Next
    • IO
      • Caching
        • Supported Cache Providers
      • Hazelcast
      • Quartz Scheduler
      • Sending Email
      • Validation
      • Calling REST Services
        • RestTemplate
        • WebClient
      • Web Services
      • Distributed Transactions With JTA
      • What to Read Next
    • Container Images
      • Efficient Container Images
      • Dockerfiles
      • Cloud Native Buildpacks
      • What to Read Next
    • Production-ready Features
      • Enabling Production-ready Features
      • Endpoints
        • Enabling Endpoints
        • Exposing Endpoints
        • Security
        • Configuring Endpoints
        • Hypermedia for Actuator Web Endpoints
        • CORS Support
        • Implementing Custom Endpoints
        • Health Information
        • Kubernetes Probes
        • Application Information
      • Monitoring and Management Over HTTP
      • Monitoring and Management over JMX
      • Observability
      • Loggers
      • Metrics
        • Getting started
        • Supported Monitoring Systems
        • Supported Metrics and Meters
        • Registering Custom Metrics
        • Customizing Individual Metrics
        • Metrics Endpoint
        • Integration with Micrometer Observation
      • Tracing
      • Auditing
      • Recording HTTP Exchanges
      • Process Monitoring
      • Cloud Foundry Support
      • What to Read Next
    • Deploying Spring Boot Applications
      • Deploying to the Cloud
      • Installing Spring Boot Applications
        • Supported Operating Systems
        • Unix/Linux Services
        • Microsoft Windows Services
      • What to Read Next
    • GraalVM Native Image Support
      • Introducing GraalVM Native Images
      • Developing Your First GraalVM Native Application
      • Testing GraalVM Native Images
      • Advanced Native Images Topics
      • What to Read Next
    • Spring Boot CLI
      • Installing the CLI
      • Using the CLI
    • Build Tool Plugins
      • Spring Boot Maven Plugin
      • Spring Boot Gradle Plugin
      • Spring Boot AntLib Module
      • Supporting Other Build Systems
      • What to Read Next
    • “How-to” Guides
      • Spring Boot Application
      • Properties and Configuration
      • Embedded Web Servers
        • Use Another Web Server
        • Disabling the Web Server
        • Change the HTTP Port
        • Use a Random Unassigned HTTP Port
        • Discover the HTTP Port at Runtime
        • Enable HTTP Response Compression
        • Configure SSL
        • Configure HTTP/2
        • Configure the Web Server
        • Add a Servlet, Filter, or Listener to an Application
        • Configure Access Logging
        • Running Behind a Front-end Proxy Server
        • Enable Multiple Connectors with Tomcat
        • Enable Tomcat’s MBean Registry
        • Enable Multiple Listeners with Undertow
        • Create WebSocket Endpoints Using @ServerEndpoint
      • Spring MVC
      • Jersey
      • HTTP Clients
      • Logging
      • Data Access
        • Configure a Custom DataSource
        • Configure Two DataSources
        • Use Spring Data Repositories
        • Separate @Entity Definitions from Spring Configuration
        • Configure JPA Properties
        • Configure Hibernate Naming Strategy
        • Configure Hibernate Second-Level Caching
        • Use Dependency Injection in Hibernate Components
        • Use a Custom EntityManagerFactory
        • Using Multiple EntityManagerFactories
        • Use a Traditional persistence.xml File
        • Use Spring Data JPA and Mongo Repositories
        • Customize Spring Data’s Web Support
        • Expose Spring Data Repositories as REST Endpoint
        • Configure a Component that is Used by JPA
        • Configure jOOQ with Two DataSources
      • Database Initialization
      • NoSQL
      • Messaging
      • Batch Applications
      • Actuator
      • Security
      • Hot Swapping
      • Testing
      • Build
      • Traditional Deployment
    • Appendix
      • Common Application Properties
      • Configuration Metadata
        • Metadata Format
        • Providing Manual Hints
        • Generating Your Own Metadata by Using the Annotation Processor
      • Auto-configuration Classes
        • spring-boot-autoconfigure
        • spring-boot-actuator-autoconfigure
      • Test Auto-configuration Annotations
        • Test Slices
      • The Executable Jar Format
        • Nested JARs
        • Spring Boot’s “JarFile” Class
        • Launching Executable Jars
        • PropertiesLauncher Features
        • Executable Jar Restrictions
        • Alternative Single Jar Solutions
      • Dependency Versions
        • Managed Dependency Coordinates
        • Version Properties
Spring Boot Documentation 3.1.0-SNAPSHOT
  • Spring Boot Documentation
  • Spring Boot Documentation
  • Documentation Overview
  • First Steps
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First Steps

If you are getting started with Spring Boot or 'Spring' in general, start with the following topics:

  • From scratch: Overview | Requirements | Installation

  • Tutorial: Part 1 | Part 2

  • Running your example: Part 1 | Part 2

Documentation Overview Upgrading From an Earlier Version
Spring

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