refactor(express): express set as default backend

back/Dockerfile

@@ -1,23 +0,0 @@
-# Use the official Node.js slim image as a base image
-FROM node:18-slim
-
-# Set the working directory inside the container
-WORKDIR /app
-
-# Copy package.json and package-lock.json to the working directory
-COPY package*.json ./
-
-# Install dependencies
-RUN npm install
-
-# Copy the rest of the application code to the working directory
-COPY . .
-
-# Build the NestJS application
-RUN npm run build
-
-# Expose the port that the NestJS application runs on
-EXPOSE 3000
-
-# Start the NestJS application
-CMD ["npm", "run", "start:prod"]