server:
  port: 8080

logging:
  level:
    root: INFO
    org.springframework.web: INFO
    org.springframework.security: INFO
#    org.springframework.boot.autoconfigure: DEBUG

spring:
  thymeleaf:
    cache: false
  security:
    oauth2:
      client:
        registration:
          google:
            provider: google
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          github:
            provider: github
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          facebook:
            provider: facebook
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          okta:
            provider: okta
            client-id: your-app-client-id
            client-secret: your-app-client-secret
        provider:
          okta:
            authorization-uri: https://your-subdomain.oktapreview.com/oauth2/v1/authorize
            token-uri: https://your-subdomain.oktapreview.com/oauth2/v1/token
            user-info-uri: https://your-subdomain.oktapreview.com/oauth2/v1/userinfo
            jwk-set-uri: https://your-subdomain.oktapreview.com/oauth2/v1/keys

server:
  port: 8080

logging:
  level:
    root: INFO
    org.springframework.web: INFO
    org.springframework.security: INFO
#    org.springframework.boot.autoconfigure: DEBUG

spring:
  thymeleaf:
    cache: false
  security:
    oauth2:
      client:
        registration:
          google:
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          github:
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          facebook:
            client-id: your-app-client-id
            client-secret: your-app-client-secret
          okta:
            client-id: your-app-client-id
            client-secret: your-app-client-secret
        provider:
          okta:
            authorization-uri: https://your-subdomain.oktapreview.com/oauth2/v1/authorize
            token-uri: https://your-subdomain.oktapreview.com/oauth2/v1/token
            user-info-uri: https://your-subdomain.oktapreview.com/oauth2/v1/userinfo
            jwk-set-uri: https://your-subdomain.oktapreview.com/oauth2/v1/keys

Remove redundant 'provider' property from oauth2Login sample config
Remove redundant 'provider' property from oauth2Login sample config

Fixes gh-4817
