✨ Use convict for configuration to make n8n easier to configure

docker/compose/withMongo/docker-compose.yml

@@ -17,6 +17,9 @@ services:
   n8n:
     image: n8n
     restart: always
+    environment:
+      - DB_TYPE=mongodb
+      - DB_MONGODB_CONNECTION_URL=mongodb://n8nuser:${MONGO_NON_ROOT_PASSWORD}@mongo:27017/${MONGO_INITDB_DATABASE}
     ports:
       - 5678:5678
     links:
@@ -25,4 +28,4 @@ services:
       - ~/.n8n:/root/.n8n
     # Wait 5 seconds to start n8n to make sure that MongoDB is ready
     # when n8n tries to connect to it
-    command: /bin/sh -c "sleep 5; n8n start --NODE_CONFIG='{\"database\":{\"type\":\"mongodb\", \"mongodbConfig\":{\"url\":\"mongodb://n8nuser:${MONGO_NON_ROOT_PASSWORD}@mongo:27017/${MONGO_INITDB_DATABASE}\"}}}'"
+    command: /bin/sh -c "sleep 5; n8n start"

docker/images/n8n/README.md

@@ -89,10 +89,11 @@ Replace the following placeholders with the actual data:
 docker run -it --rm \
   --name n8n \
   -p 5678:5678 \
+	-e DB_TYPE=mongodb \
+	-e DB_MONGODB_CONNECTION_URL="mongodb://MONGO_USER:MONGO_PASSWORD@MONGO_SERVER:MONGO_PORT/MONGO_DATABASE" \
   -v ~/.n8n:/root/.n8n \
   n8nio/n8n \
-  n8n start \
-  --NODE_CONFIG='{\"database\":{\"type\":\"mongodb\", \"mongodbConfig\":{\"url\":\"mongodb://MONGO_USER:MONGO_PASSWORD@MONGO_SERVER:MONGO_PORT/MONGO_DATABASE\"}}}'"
+  n8n start
 ```
 
 A full working setup with docker-compose can be found [here](../../compose/withMongo/README.md)