Add Dockerfile

Dockerfile

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+# Step 1: Set the base image to Node.js
+FROM node:18-alpine AS build
+
+# Step 2: Set the working directory inside the container
+WORKDIR /app
+
+# Step 3: Copy the package.json and package-lock.json (or yarn.lock) for dependency installation
+COPY package.json package-lock.json ./
+
+# Step 4: Install dependencies
+RUN npm install
+
+# Step 5: Copy the rest of the project files into the container
+COPY . .
+
+# Step 6: Build the Next.js app
+RUN npm run build
+
+# Step 7: Create the final image (production stage)
+FROM node:18-alpine
+
+# Set the working directory inside the container for production
+WORKDIR /app
+
+# Copy the necessary files from the build stage
+COPY --from=build /app ./
+
+# Step 8: Install production dependencies only (optional)
+RUN npm install --production
+
+# Step 9: Expose the default Next.js port
+EXPOSE 3000
+
+# Step 10: Set the command to run the Next.js app
+CMD ["npm", "start"]