Fixed MediaLit self hosting

Author: Rajat Saxena

apps/docs/src/pages/en/self-hosting/self-host.md

@@ -90,7 +90,7 @@ To self host, follow the following steps.
 
     ```
     # - MEDIALIT_APIKEY=${MEDIALIT_APIKEY}
-    # - MEDIALIT_SERVER=http://host.docker.internal:8000
+    # - MEDIALIT_SERVER=http://medialit
     ```
 
 2.  Uncomment the block titled `MediaLit` in `docker-compose.yml`.
@@ -109,8 +109,15 @@ To self host, follow the following steps.
     MEDIALIT_APIKEY=key_to_be_obtained_docker_compose_logs
     ```
 
-4.  Restart the services once to generate a user and an API key in MediaLit database. The API key
-    will be printed to the docker compose logs. The relevant logs will look something like the following.
+    To learn how to configure an AWS S3 bucket for MediaLit, click [here](https://github.com/codelitdev/medialit?tab=readme-ov-file#setting-up-correct-access-on-aws-s3-bucket).
+
+4.  Start the MediaLit service once to generate an API key to use with CourseLit.
+
+    ```sh
+    docker compose up medialit
+    ```
+
+    The above command will start the MediaLit service and display a fresh API key on the console. The relevant logs will look something like the following.
 
     ```sh
     @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

deployment/docker/docker-compose.yml

@@ -56,7 +56,7 @@ services:
             # The MEDIALIT_APIKEY can be obtained by running the medialit service locally and
             # checking the logs for the API key.
             # - MEDIALIT_APIKEY=${MEDIALIT_APIKEY}
-            # - MEDIALIT_SERVER=http://host.docker.internal:8000
+            # - MEDIALIT_SERVER=http://medialit
 
         expose:
             - "${PORT:-80}"
@@ -153,6 +153,10 @@ services:
     #         - CLOUDFRONT_KEY_PAIR_ID=${CLOUDFRONT_KEY_PAIR_ID} 
     #         - CLOUDFRONT_PRIVATE_KEY=${CLOUDFRONT_PRIVATE_KEY}
     #         - CDN_MAX_AGE=${CDN_MAX_AGE}
+
+    #         # To make MediaLit work on local. This allows the medialit service 
+    #         # to be accessed from the host machine.
+    #         - HOSTNAME_OVERRIDE=localhost:8000
     #     ports:
     #         - "8000:80"
     #     depends_on: