Fixed docker container linking

README.md

@@ -21,8 +21,8 @@ https://discord.com/api/oauth2/authorize?client_id=<CLIENT_ID>&permissions=40671
  - The CLIENT_ID can be found in the General Information tab on the Discord Developer Portal for your application, under `Application ID`
 
 1. Copy `.env.TEMPLATE` to `.env` and fill out the fields
-2. Start the application with `docker compose up -d`
-    - Requires [Docker](https://www.docker.com/)
+2. Build the [Docker](https://www.docker.com/) application with `make build`
+3. Start the application with `make up`
 
 ## Contributing
 [Rust](https://www.rust-lang.org/) must be installed to run locally. See [serenity-rs/serenity](https://github.com/serenity-rs/serenity) for more information about Rust Discord API Library. 
@@ -40,6 +40,6 @@ Begin the application with `cargo run`
 
 The application can also be tested from within a Docker container:
 ```
-docker build -t siren .
+docker build -t siren:latest .
 docker run --env-file .env -it --rm --name siren siren:latest
 ```