link to env variable config doc

Author: Pascal-Delange

.env.example

@@ -3,6 +3,8 @@
 # Docker Compose files. Only specific ones are (see docker-compose.yaml).
 # If you need to add new environment variables, refer to them in the Compose file in the appropriate
 # container for your configuration to be correctly applied.
+# See https://docs.checkmarble.com/docs/technical-configuration#/ for a full guide to Marble environment variables, agnostic
+# of the docker-compose context.
 
 #
 # REQUIRED SETTINGS

installation/configuration.md

@@ -0,0 +1,5 @@
+## Configuring Marble
+
+See our [product documentation](https://docs.checkmarble.com/docs/technical-configuration#/) for a full guide on which environment variables are available, which ones are required, and their expected format, for every part of the Marble app.
+
+Configuration via config files is currently not available.

installation/production_run.md

@@ -22,6 +22,7 @@ Before starting a production deployment, ensure you have:
 - Firebase project
 - Convoy instance if you need webhooks
 - Yente+Elasticsearch setup if you need sanction checks
+- We do not recommend usage of docker compose for a production-ready deployment of Marble
 
 ## Detailed Dependencies Setup
 
@@ -208,7 +209,9 @@ The Marble platform consists of three services:
 
 ## App Configuration
 
-Reference the following files for detailed configuration:
+You will find a complete guide of environment variables to pass to the Marble app in [our documentation](https://docs.checkmarble.com/docs/technical-configuration#/).
+
+Alternatively, you can also inspire yourself from the docker compose example:
 
 - `.env.example`: Environment variables
 - `docker-compose.yaml`: Service configuration