Create Dockerfile

Dockerfile

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+# Use an official Node runtime as a parent image
+FROM node:20
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json for installing dependencies
+COPY package*.json ./
+
+# Install dependencies
+# npm ci is used here for a clean, reproducible install based on package-lock.json
+RUN npm ci
+
+# Copy the rest of your application's code
+COPY . .
+
+# Build your application
+RUN npm run build
+
+# Your application will now be built. Adjust the next commands according to how your app is started.
+# Expose the port your app runs on
+EXPOSE 3000
+
+# Start your application
+CMD ["npm", "start"]