Add .dockerignore and Dockerfile for server deployment

server/.dockerignore

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+# Ignore node_modules folder
+node_modules
+# Ignore logs
+logs
+# Ignore environment files
+.env
+# Ignore git directory
+.git

server/Dockerfile

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+# Use the official Node.js image as the base image
+FROM node:22.2.0-alpine
+
+# Set the working directory
+WORKDIR /app
+
+# Copy package.json and package-lock.json
+COPY package.json package-lock.json ./
+
+# Install dependencies
+RUN npm install --production
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 3000
+
+# Start the application, this uses cross-env to set the NODE_ENV to production
+CMD ["npm", "run", "prod"]