📝 docs: add env changes to breaking_changes.md and minor fixes (#1812)

* 📝 docs: add env changes to breacking_changes.md

* 📝 docs: replace example in docker_override.md

* 📝 docs: fix images in zeabur.md

docs/install/configuration/docker_override.md

@@ -36,7 +36,9 @@ Make your desired changes by uncommenting the relevant sections and customizing
 
 > Warning: You can only specify every service name once (api, mongodb, meilisearch, ...) If you want to override multiple settings in one service you will have to edit accordingly.
 
-For example, if you want to make sure Docker can use your `librechat.yaml` file for [custom configuration](./custom_config.md), it would look like this:
+### Examples
+
+If you want to make sure Docker can use your `librechat.yaml` file for [custom configuration](./custom_config.md), it would look like this:
 
 ```yaml
 version: '3.4'
@@ -47,7 +49,7 @@ services:
       - ./librechat.yaml:/app/librechat.yaml
 ```
 
-Or, if you want to use a prebuilt image for the `api` service, use the LibreChat config file, and expose MongoDB's port, your `docker-compose.override.yml` might look like this:
+Or, if you want to use a prebuilt image for the `api` service, use the LibreChat config file, and use the older Mongo that doesn't requires AVX support, your `docker-compose.override.yml` might look like this:
 
 ```yaml
 version: '3.4'
@@ -59,11 +61,10 @@ services:
     image: ghcr.io/danny-avila/librechat-dev:latest
 
   mongodb:
-    ports:
-      - 27018:27017
+    image: mongo:4.4.18
 ```
 
-> Note: Be cautious with exposing ports like MongoDB to the public, as it can make your database vulnerable to attacks.
+> Note: Be cautious if you expose ports for MongoDB or Meilisearch to the public, as it can make your data vulnerable.
 
 ## Step 3: Apply the changes
 

docs/install/configuration/dotenv.md

@@ -841,3 +841,26 @@ Mail address for from field. It is **REQUIRED** to set a value here (even if it'
 ```bash
 EMAIL_FROM=noreply@librechat.ai 
 ```
+
+### Other
+
+- **Redis:** Redis support is experimental, you may encounter some problems when using it. 
+
+> If using Redis, you should flush the cache after changing any LibreChat settings
+
+```bash
+REDIS_URI=
+USE_REDIS=
+```
+
+- **Birthday Hat:** Give the AI Icon a Birthday Hat 🥳
+
+> Will show automatically on February 11th (LibreChat's birthday)
+ 
+> Set this to `false` to disable the birthday hat
+
+> Set to `true` to enable all the time.
+
+```bash
+SHOW_BIRTHDAY_ICON=true
+```