feat: server dockerfile

Dockerfile.backend

@@ -0,0 +1,23 @@
+# Use node image
+FROM node:18-alpine
+
+# Set working directory in the container to /app
+WORKDIR /app
+
+# Copy only the package.json and package-lock.json first for caching
+COPY package.json package-lock.json ./
+
+# Install dependencies
+RUN npm install --production
+
+# Copy the entire project (core and backend code)
+COPY . .
+
+# Set the working directory to the backend folder
+WORKDIR /app/server
+
+# Expose the port the backend listens on
+EXPOSE 8080
+
+# Start the backend server
+CMD ["npm", "run", "start:server"]