README updated with REDIS_DB configuration

Author: mortensi

README.md

@@ -57,19 +57,20 @@ uv sync
 To configure this Redis MCP Server, consider the following environment variables:
 
 | Name                 | Description                                               | Default Value |
-|----------------------|-----------------------------------------------------------|---------------|
+|----------------------|-----------------------------------------------------------|--------------|
 | `REDIS_HOST`         | Redis IP or hostname                                      | `"127.0.0.1"` |
-| `REDIS_PORT`         | Redis port                                                | `6379`        |
-| `REDIS_USERNAME`     | Default database username                                 | `"default"`   |
-| `REDIS_PWD`          | Default database password                                 | ""            |
-| `REDIS_SSL`          | Enables or disables SSL/TLS                               | `False`       |
-| `REDIS_CA_PATH`      | CA certificate for verifying server                       | None          |
-| `REDIS_SSL_KEYFILE`  | Client's private key file for client authentication       | None          |
-| `REDIS_SSL_CERTFILE` | Client's certificate file for client authentication       | None          |
-| `REDIS_CERT_REQS`    | Whether the client should verify the server's certificate | `"required"`  |
-| `REDIS_CA_CERTS`     | Path to the trusted CA certificates file                  | None          |
-| `REDIS_CLUSTER_MODE` | Enable Redis Cluster mode                                 | `False`       |
-| `MCP_TRANSPORT`      | Use the `stdio` or `sse` transport                        | `stdio`       |
+| `REDIS_PORT`         | Redis port                                                | `6379`       |
+| `REDIS_DB`           | Database                                                  | 0            |
+| `REDIS_USERNAME`     | Default database username                                 | `"default"`  |
+| `REDIS_PWD`          | Default database password                                 | ""           |
+| `REDIS_SSL`          | Enables or disables SSL/TLS                               | `False`      |
+| `REDIS_CA_PATH`      | CA certificate for verifying server                       | None         |
+| `REDIS_SSL_KEYFILE`  | Client's private key file for client authentication       | None         |
+| `REDIS_SSL_CERTFILE` | Client's certificate file for client authentication       | None         |
+| `REDIS_CERT_REQS`    | Whether the client should verify the server's certificate | `"required"` |
+| `REDIS_CA_CERTS`     | Path to the trusted CA certificates file                  | None         |
+| `REDIS_CLUSTER_MODE` | Enable Redis Cluster mode                                 | `False`      |
+| `MCP_TRANSPORT`      | Use the `stdio` or `sse` transport                        | `stdio`      |
 
 
 ## Transports