Added info on adding defaults when using env var in yaml

creativedutchmen · creativedutchmen · commit aea5b0e47636 · 2022-06-15T08:42:09.000+02:00
Signed-off-by: Huib Keemink &lt;huib.keemink@jedlix.com&gt;
diff --git a/docs/how-to-guides/running-feast-in-production.md b/docs/how-to-guides/running-feast-in-production.md
@@ -323,6 +323,17 @@ online_store:
     connection_string: ${REDIS_CONNECTION_STRING}
 ```
 
+It is possible to set a default value if the environment variable is not set, with `${ENV_VAR:"default"}`. For instance:
+
+```yaml
+project: my_project
+registry: data/registry.db
+provider: local
+online_store:
+    type: redis
+    connection_string: ${REDIS_CONNECTION_STRING:"0.0.0.0:6379"}
+```
+
 ---
 ## Summary
 
