docs(*): Add Heroku docs

README.md

@@ -49,3 +49,7 @@ Once you've installed dependencies with `npm install`, start a development serve
 ```bash
 npm run dev
 ```
+
+### Deploying
+
+See the README in `src/server` for details.

src/server/README.md

@@ -6,4 +6,29 @@ Use Docker to deploy this.
 
 Navigate to this folder and run `docker build -t estimation-ws-server .` to build the image.
 
-Run it using `docker run -it --rm -p 8080:8080 estimation-ws-server`
+Run it using `docker run -it --rm -p 8080:8080 estimation-ws-server`
+
+## Deploying to Heroku
+
+### Install the Heroku CLI
+
+Download and install the [Heroku CLI](https://devcenter.heroku.com/articles/heroku-command-line).
+
+If you haven't already, log in to your Heroku account and follow the prompts to create a new SSH public key.
+
+`heroku login`
+
+### Clone the repository
+
+Use Git to clone `your-app-name`'s source code to your local machine.
+
+`heroku git:clone -a your-app-name`
+`cd your-app-name`
+
+### Deploy your changes
+
+Make some changes to the code you just cloned and deploy them to Heroku using Git.
+
+`git add .`
+`git commit -am "Your commit message"`
+`git push heroku master`