Java Spring Boot, Docker and Render

1

Hello everyone,

I am trying to deploy a Spring Boot app on Docker on render.

I have the problem that the environment variables I insert in render are not recognized.

See my config in the screenshots

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But no matter what I do I always get the following error: Driver org.postgresql.Driver claims to not accept jdbcUrl, ${DATABASE_HOST}

Thanks in advance, I hope you can help me.