system/deployment/env/ENV-Templates.md

+Many run-time parameters can be set through Environment variables. There are two templates included for setting an environments file (`.env`) - one for production use and one for a development environment:
+
+* [.env.template](https://gitlab.ruhr-uni-bochum.de/researchdata/rdms/-/blob/develop/.env.template?ref_type=heads)
+* [.env.template.development](https://gitlab.ruhr-uni-bochum.de/researchdata/rdms/-/blob/develop/.env.template.development?ref_type=heads)
+
+Simply rename the appropriate template to `.env` and change the values inside to your requirements.
+
+The templates have comments in them that should explain their use.
+
+See also *[ENV changes to run in production](/system/deployment/env/ENV-Changes-to-Run-in-Production)*.
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+
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