fix: update uid encryption key defaults

docker/README.md

@@ -224,7 +224,7 @@ You can specify the following environment variables when issuing `docker run` co
 | `TLS_DOMAIN_NAME`[^2] | string |  | If non-empty, enables TLS (http**s**) and configures domain name of your container, e.g. `www.example.com`. In order for TLS to work you have to expose your HTTPS port to the Internet and correctly configure DNS. It WILL FAIL with `localhost` or unroutable IPs. |
 | `TNPG_AUTH_TOKEN` | string |  | Tinode Push Gateway authentication token. |
 | `TNPG_ORG`[^2] | string |  | Tinode Push Gateway organization name as registered at https://console.tinode.co |
-| `UID_ENCRYPTION_KEY`[^2] | string | `la6YsO+bNX/+XIkOqc5Svw==` | base64-encoded 16 random bytes used as an encryption key for user IDs. |
+| `UID_ENCRYPTION_KEY`[^2] | string | `dkXxWLwqUNRfYmdXRzOkZw==` | base64-encoded 16 random bytes used as an encryption key for user IDs. |
 | `UPGRADE_DB` | bool | `false` | Upgrade database schema, if necessary. |
 | `WAIT_FOR` | string |  | If non-empty, waits for the specified database `host:port` to be available before starting the server. |
 

docker/tinode/Dockerfile

@@ -153,7 +153,7 @@ ENV API_KEY_SALT=T713/rYYgW7g4m3vG6zGRh7+FM1t0T8j13koXScOAj4=
 ENV AUTH_TOKEN_KEY=wfaY2RgF2S1OQI/ZlK+LSrp1KB2jwAdGAIHQ7JZn+Kc=
 
 # Key to initialize UID generator
-ENV UID_ENCRYPTION_KEY=la6YsO+bNX/+XIkOqc5Svw==
+ENV UID_ENCRYPTION_KEY=dkXxWLwqUNRfYmdXRzOkZw==
 
 # Disable TLS by default.
 ENV TLS_ENABLED=false