Implementation of the example from the following video.
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is com.amazonaws.services.secretsmanager.model.AWSSecretsManagerException: The security token included in the request is invalid. (Service: AWSSecretsManager; Status Code: 400; Error Code: UnrecognizedClientException; Request ID: 4880ebc0-59ed-49e6-abc5-6ba535e942eb; Proxy: null)
To solve this issue try to add the AWS environment variables:: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY and AWS_DEFAULT_REGION
com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details. (Service: AWSSecretsManager; Status Code: 400; Error Code: InvalidSignatureException; Request ID: 9a356a2b-b8fe-4810-ae28-08b1b9ec939d)
To solve this issue try to add the encoding setting -Dfile.encoding=UTF-8. More info here