Spring Boot app can't find my postgresql database even though it exists - Stack Overflow
Spring Boot, PostgreSQL, JPA, Hibernate RESTful CRUD API Example | CalliCoder
Add a PostgreSQL database to your Spring Boot project
Spring Boot Flyway, PostgreSQL Configuration - Online Store Development P3 - YouTube
GitHub - tirmizee/Spring-Boot-JPA-Multi-Databases-And-Rollback-Transaction: Spring Data JPA multi-databases and rollback transaction using Hikari connection pool.
Spring Boot - application.yml/application.yaml File - GeeksforGeeks