update docker instructions and dockerfile container name

docker/HOW_TO_USE_DOCKER.md

@@ -7,8 +7,8 @@ Use the Dockerized version of AnythingLLM for a much faster and complete startup
 
 ## How to install
 - `git clone` this repo and `cd anything-llm` to get to the root directory.
+- `yarn setup`
 - `cd docker/`
-- `cp .env.example .env` to create the `.env` file.
 - Edit `.env` file and update the variables
 - `docker-compose up -d --build` to build the image - this will take a few moments.
 

docker/docker-compose.yml

@@ -1,5 +1,7 @@
 version: '3.9'
 
+name: anythingllm
+
 networks:
   anything-llm:
     driver: bridge