refactor: clean up and improve codebase

docker-compose.dev.yaml

@@ -0,0 +1,16 @@
+services:
+  spotify-ws:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: spotify-ws
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      - REFRESH_TOKEN=${REFRESH_TOKEN}
+      - CLIENT_SECRET=${CLIENT_SECRET}
+      - CLIENT_ID=${CLIENT_ID}
+      #- LOG_LEVEL=DEBUG
+      #- ALLOWED_ORIGINS=http://localhost:3000
+      #- SERVER_PORT=3000