How to enable SSL (HTTPS) support for a Spring Boot web application?

To enable SSL or HTTPS for your Spring Boot web application, place the certificate ( .p12 or .jks extension) under the resources folder, and define the server.ssl.* configuration in the application.properties.

server.port=8443
server.ssl.enabled=true
server.ssl.key-alias=tomcatApp-localhost
server.ssl.key-password=changeit
server.ssl.key-store=classpath:keystore.jks
server.ssl.key-store-provider=SUN
server.ssl.key-store-type=JKS
server.ssl.key-store-password=changeit

For yaml configuration, configure Spring Boot using the application.yml file located in the src/main/resources folder.

server:
  port: 8443
  ssl:
    enabled: true
    key-alias: tomcatApp-localhost
    key-password: changeit
    key-store: classpath:keystore.jks
    key-store-provider: SUN
    key-store-type: JKS
    key-store-password: changei

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