Keycloak and an application (based on jhipster) on the same database (postgresql)

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Keycloak and an application (based on jhipster) on the same database (postgresql)



I start to develop a regular business application based on Spring Boot 2 and Angular 6 with Postgresql 10 as a database. I play a little bit with jhipster, so the stack will be similar to jhipster. In my application for the authentication I want to use keycloak. For my development I use docker compose, where keycloak is in the first container and postgresql in the second and keycloak container depends on postgresql container. My application needs a postgresql database too. Is it a good idea to use the same postgresql container for both tasks, for keycloak in the container and for my application running on the host? If yes the same database? If yes the same schema? Maybe it is good for development but not for production? For production the plan is to deploy the whole system to a cloud (99% it will be microsoft azure).



My experience is only in on-premise applications, dockers and clouds is a new story for me.



What do you think?



Thank you in advance,
Jacek









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