💥 Remove MongoDB support

docker/compose/subfolderWithSSL/README.md

@@ -20,7 +20,3 @@ To stop it execute:
 ```
 docker-compose stop
 ```
-
-## Configuration
-
-The default name of the database, user and password for MongoDB can be changed in the `.env` file in the current directory.

docker/images/n8n/README.md

@@ -107,7 +107,7 @@ docker run -it --rm \
 ### Start with other Database
 
 By default n8n uses SQLite to save credentials, past executions and workflows.
-n8n however also supports MongoDB, PostgresDB and MySQL. To use them simply a few
+n8n however also supports PostgresDB, MySQL and MariaDB. To use them simply a few
 environment variables have to be set.
 
 It is important to still persist the data in the `/root/.n8n` folder. The reason
@@ -117,32 +117,6 @@ for the credentials. If none gets found n8n creates automatically one on
 startup. In case credentials are already saved with a different encryption key
 it can not be used anymore as encrypting it is not possible anymore.
 
-#### Use with MongoDB
-
-> **WARNING**: Use Postgres if possible! Mongo has problems with saving large
-> amounts of data in a document and causes also other problems. So support will
-> may be dropped in the future.
-
-Replace the following placeholders with the actual data:
-  - MONGO_DATABASE
-  - MONGO_HOST
-  - MONGO_PORT
-  - MONGO_USER
-  - MONGO_PASSWORD
-
-```
-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:/home/node/.n8n \
-	n8nio/n8n \
-	n8n start
-```
-
-A full working setup with docker-compose can be found [here](https://github.com/n8n-io/n8n/blob/master/docker/compose/withMongo/README.md)
-
 #### Use with PostgresDB
 
 Replace the following placeholders with the actual data:
@@ -203,7 +177,6 @@ with the given name. That makes it possible to load data easily from
 Docker- and Kubernetes-Secrets.
 
 The following environment variables support file input:
-  - DB_MONGODB_CONNECTION_URL_FILE
   - DB_POSTGRESDB_DATABASE_FILE
   - DB_POSTGRESDB_HOST_FILE
   - DB_POSTGRESDB_PASSWORD_FILE