Change README to reflect .env name.

README.md

@@ -10,13 +10,13 @@ Configurations for running the [Madgrades API](http://github.com/Madgrades/api.m
 ## Instructions
 
 1.
-   Create a new `*.env` file (e.g. `prod.env`) based on the provided `.env.example`. The following steps and the GitHub callback URL above assume you leave the example defaults unchanged.
+   Create a new `.env` file based on the provided `.env.example`. The following steps and the GitHub callback URL above assume you leave the example defaults unchanged.
 
 1.
    Run all the services using configuration provided from the env file you created.
 
    ```bash
-   $ docker compose --env-file=prod.env up --detach
+   $ docker compose up --detach
    ```
 
    This initializes the databases, seeds them with data, and starts up the API.
@@ -26,8 +26,8 @@ You can now access the API (`http://localhost:8080` if you left the default sett
 You can also access the frontend (`http://localhost:3000` if you left the default settings). Note that for the first run you will need to access the API, login with your GitHub account and get a Madgrades API token, and restart the frontend with that token set in the environment variables:
 
 ```bash
-$ docker compose --env-file=.env down frontend
-$ docker compose --env-file=.env up frontend --detach
+$ docker compose down frontend
+$ docker compose up frontend --detach
 ```
 
 ## Notes
@@ -37,13 +37,21 @@ $ docker compose --env-file=.env up frontend --detach
 If new data is available, re-seed the database by updating the image in the Docker compose configuration and running the seed service. This service will terminate after the seeding is completed.
 
 ```bash
-$ docker compose --env-file=prod.env up seed
+$ docker compose up seed
 ```
 
 ### Start the frontend and API without re-seeding
 
 Skip re-seeding the database by specifying the `frontend` and `api` services to start.
 
 ```bash
-$ docker compose --env-file=prod.env up frontend api --detach
+$ docker compose up frontend api --detach
 ```
+
+### Running multiple instances
+
+To run multiple instances, configure a new environment variables file, e.g. `.env.dev`, and specify it with your Docker compose commands:
+
+```bash
+docker compose --env-file=.env.dev up frontend api --detach
+```