✏️ Fixed an egregious typo

Dockerfile

@@ -1,8 +1,6 @@
 FROM node:12.21.0
 LABEL maintainer="Rishi Ghan <rishi.ghan@gmail.com>"
 
-ENV UNDERLYING_HOST ghost
-
 RUN mkdir -p /usr/src/threetwo
 WORKDIR /usr/src/threetwo
 

environment.list

@@ -1 +1 @@
-UNDERLYING_HOST=ghost
+UNDERLYING_HOSTNAME=ghost

src/client/store/index.ts

@@ -7,7 +7,7 @@ import { io } from "socket.io-client";
 import socketIoMiddleware from "redux-socket.io-middleware";
 import { SOCKET_BASE_URI } from "../constants/endpoints";
 console.log(SOCKET_BASE_URI);
-const socketConnection = io("http://ghost:3001");
+const socketConnection = io(SOCKET_BASE_URI);
 
 export const history = createBrowserHistory();
 const configureStore = (initialState) => {