feat(Backend): Using new singleton design

.devcontainer/Dockerfile

@@ -0,0 +1,3 @@
+FROM node:16-alpine
+
+COPY . .

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.224.3/containers/javascript-node
+{
+	"name": "Node.js",
+	"dockerComposeFile": "./docker-compose.yml",
+	"shutdownAction": "stopCompose",
+	"service": "app",
+
+	//"workspaceMount": "source=${localWorkspaceFolder},target=/app,type=bind,consistency=delegated",
+	"workspaceFolder": "/app",
+
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"dbaeumer.vscode-eslint",
+		"icrawl.discord-vscode",
+		"WakaTime.vscode-wakatime"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	//"forwardPorts": [ 8080 ],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "yarn install",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	//"remoteUser": "node"
+}

.devcontainer/docker-compose.yml

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+version: '3.9'
+services:
+  app:
+    build: .
+    ports:
+      - 8080:8080
+    volumes:
+      - ../:/app
+      - ../../node-rockstar-api/:/opt/node-rockstar-api
+    command: /bin/sh -c "while sleep 100; do :; done"

Dockerfile

@@ -1,12 +1,13 @@
-FROM node:alpine
+FROM node:current-alpine
 
-WORKDIR /app
 EXPOSE 8080
 
+WORKDIR /app
+
 COPY package.json package-lock.json ./
 
 RUN npm i --silent
 
 COPY . .
 
-ENTRYPOINT [ "node", "--experimental-loader=./util/loader.js", "."]
+ENTRYPOINT [ "node", "--experimental-loader=./util/loader.js", "." ]