GitHub - tirmizee/Spring-Boot-JPA-Multi-Databases-And-Rollback-Transaction: Spring Data JPA multi-databases and rollback transaction using Hikari connection pool.
I cannot connect my Spring boot JPA to Postgresql DB, but psql is accessible - Stack Overflow
Deploying Spring Boot application to Heroku with PostgreSql | by Enes Gür | Level Up Coding
Using PostgreSQL with Spring Boot on AWS — Part 2 | AWS Open Source Blog