Spring Boot Tutorial 0/110 lessons ~6 min read Lesson 50“Production-grade backends”

Spring Boot Profiles

Profiles let one binary behave differently per environment.

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Focus

2 guided sections

Practice signal

Examples included

Career prep

Foundation builder

Introduction

Profiles let one binary behave differently per environment. Activate with SPRING_PROFILES_ACTIVE=prod or --spring.profiles.active=prod.

Informative example

bash

# application.yml          ← shared defaults
server:
  port: 8080

# application-dev.yml      ← only when dev profile active
spring:
  jpa:
    hibernate:
      ddl-auto: update
logging:
  level:
    com.acme: DEBUG

# application-prod.yml
spring:
  jpa:
    hibernate:
      ddl-auto: validate
logging:
  level:
    com.acme: INFO

// Profile-scoped beans
@Service
@Profile("!prod")
public class MockEmailSender implements EmailSender { ... }

@Service
@Profile("prod")
public class SesEmailSender implements EmailSender { ... }

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