Answers to: Docker, Global Properties, Placeholder, app.yaml

Comment by John Moser on Alex Suter's answer

John Moser — Tue, 27 Aug 2019 11:53:40 -0400

Ok ... i got it.

Thanks

Comment by Alex Suter on Alex Suter's answer

Alex Suter — Tue, 27 Aug 2019 03:13:45 -0400

You can use the Env-Variable approach for all configurations in app.yaml. You must prefix all configuration keys as described in the header of the app.yaml.

I don't see a problem to use the ConfigMap approach for configurations in app.yaml. What do you think is the problem?

Comment by John Moser on Alex Suter's answer

John Moser — Mon, 26 Aug 2019 10:59:22 -0400

If we talk about the global properties in app.yaml, it seems to me that one can not use the ConfigMap or Env variable approach.

So app.yaml which are env dependent must be mounted <- is this correct ?

Answer by Alex Suter

Alex Suter — Tue, 21 May 2019 03:05:07 -0400

Hello John Moser

Yes, there are several ways to provide environment specific configurations. Docker and Axon.ivy offer many capabilities of parameterization for different environments. The difficulty is to decide which methods or mix of methods fits best for your projects needs.

One could either:

mount different configuration files (like ivy.yaml, app.yaml, etc.) per environment into the container. I think that makes sense if every stage (dev, int, prod) looks completely different and the resulting yaml files have almost nothing in common.
use environment variables to override parts of our configurations https://developer.axonivy.com/doc/latest/EngineGuideHtml/configuration.html#configuration-override. This is recommended if you only want to override a few configuration values while most configurations in the yaml files are shared.
use the capabilities of your container orchestration platform like ConfigMap for Kubernetes https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/

you may also check how to handle passwords (secrets) in containers: https://developer.axonivy.com/doc/latest/EngineGuideHtml/configuration.html#engine-configuration-docker