AppRunner + two DB Instances (RDS)

Question

Hello, I have some question about configuration App Runner Service.
I have two DB instances (eg. Oracle and PostgreSQL) and I wonder if I can configure App Runner so that my Web API connects to the specified base by entering environment variables ([Key][Value]) during configuration? Without interfering with the code itself. I would like to apply one universal Docker image to several App Runner services.
EG.
App Runner (Key: Oracle, Value: Oracle ConnectionStrings) -> My universal Docker Image -> Oracle DB
App Runner (Key: PostgreSQL, Value: PostgreSQL ConnectionStrings) -> My universal Docker Image -> PostgreSQL DB

Answer

Hello,

Have you considered using [environment variables](https://docs.aws.amazon.com/apprunner/latest/dg/config-file-ref.html#config-file-ref.run) (under Env)?

Another pattern, though not specifically relating to App Runner, is to have a configuration service / API that returns endpoints dynamically.

AppRunner + two DB Instances (RDS)

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