How can I create profiles with spring boot + .yaml?

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I have spring boot server with 2 property files: and

In each file I have configs for dev machine and for test. Start it like this:

But in new spring boot project I use .yaml config file. And I do not understand how can I use profiles with .yaml. I tried read documentation but understood nothing. Can you explain what to do, step by step?

I need have two files?

application-local.yaml and application-test.yaml

Or I need write all in one application.yaml file? If in one file how can I separate configs? It is my config:

  path: ***
  port: ***

  path: ***

  type: com.zaxxer.hikari.HikariDataSource
  driver-class-name: oracle.jdbc.OracleDriver
  url: ***
  username: ***
  password: ***
    minimumIdle: 5
    maximumPoolSize: 20
    idleTimeout: 30000
    poolName: SpringBootJPAHikariCP
    maxLifetime: 2000000
    connectionTimeout: 30000
    connection-test-query: SELECT 1 FROM DUAL

  show-sql: false
  database-platform: org.hibernate.dialect.Oracle10gDialect
  properties.hibernate.jdbc.batch_size: 30
  properties.hibernate.cache.use_second_level_cache: false
    ddl-auto: validate

    config: classpath:ehcache.xml

#app configs
  messages-max-count: 5
  messages-delay: 100
  schedulers-charge-delay: 100
    first-server-address: ***
    second-server-address: ***
    last-server-address: ***
  enabled-client: FirstClient

I want create test profile and change database url (or change to postgreSql), change maximumPoolSize property

  1. Create application.yaml and define all default properties there.
  2. Create application-local.yaml and override properties needed for the local profile.
  3. Create application-test.yaml and override properties needed for the test profile.
  4. Set by either passing it as a system property (-D for java) or defining it within application.yaml.

When you are running an app with a {PROFILE}, Spring will parse application-{PROFILE}.yaml after application.yaml.

convert yaml to properties, (from version 1.2) is a superset of JSON and is a very convenient format for specifying hierarchical configuration data. The Spring Boot Profiles YAML Properties example shows you how to use Spring Profiles based on YAML and Properties. Spring Profiles help developers to create multiple configurations details for different environments. In Spring Boot, the default profile is default, we can set the profile via property. In Spring Boot, we define profiles based on .properties or .yaml files following the syntax:

My understanding is that yaml support is not implemented at the same level as it is for properties in Spring. You can create a single file and separate it into multiple profiles using yaml notation with --- and setting spring.profiles property in each section. For more please see The Documentation.

Why should we prefer the YAML file over the properties file for , Learn how to configure your Spring application using a YAML file. different profiles for a simple Spring Boot application using YAML. To load a set of related properties from a properties file, we will create a bean class: ? From YAML property files, Spring Boot can select different set of properties which belong to a specific profile, given that if the multiple YAML documents contain spring.profiles keys assigned to a profile name. According to YAML specification, multiple YAML documents can be added in a single file separated by '---' (check out this tutorials as well).

Yes, you can create multiple profiles even with single file Profile are separated with 3 DASH (---)

    .: error
    org.springframework: ERROR

    active: "dev"
    banner-mode: "off"

  port: 8085


  profiles: dev


  profiles: prod

Create a file called application.yml and stick it in the root of your classpath, and In Spring Boot you can also set the active profile in , e.g. Spring Boot doesn’t support this profile-ception, and that’s a good thing! So, using might lead to misunderstandings when developers expect to work in profile-specific YAML files. Also, activating a profile in application.yml would make it active by default.

Multi-profile YAML Documents; 2.7.4. Profile-specific Configuration Files If the SpringApplication defaults are not to your taste, you can instead create a local  To access the YAML properties, we create an object of the YAMLConfig class and access the properties using that object. In the properties file, let's set the environment variable to prod. If we don't define, it will default to the first profiles property defined in the YAML file.

configuration ,profiles ,spring boot ,spring boot tutorial ,yaml Don't get left out and make Duration: 3:35 Posted: Oct 4, 2019 Spring Boot has great support for externalized configuration. Also, it's possible to use different ways and formats to read the properties in the Spring Boot application out-of-the-box. However, by default, @PropertySource doesn't load YAML files .

From YAML property files, Spring Boot can select different set of if the multiple YAML documents contain spring.profiles keys assigned to a profile name. Git - Creating and switching branches using 'branch' and 'checkout'  If you wish to use YAML for your Spring configuration, you simply need to create a YAML file. Spring Boot will look for a application.yml file on the classpath. In the default structure of a Spring Boot web application, you can place the file under the Resources directory. To parse YAML files, you need a YAML parser.

  • if I override property in application-{PROFILE}.yaml Do I need remove this property from base application.yaml?
  • @ip696 you can, but you don't have to.
  • @ip696 Imagine you decided to run the app without profiles, the startup could fail due to missing properties.
  • I try run app with (16:01:49: Executing task 'bootRun'...) but spring say: Application: [] No active profile set, falling back to default profiles: default I have 3 files: application.yaml, application-dev.yaml, application-test.yaml
  • @ip696 I am not sure bootRun supports the D option, you need java -jar app.jar
  • You can also use two (or more) different files, just like you would do with properties files.