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Dockerfile

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+# Stage 1: Install dependencies
+FROM node:22-alpine AS deps
+WORKDIR /app
+
+# Install dependencies based on your package manager
+# If you use npm:
+COPY package.json package-lock.json ./
+RUN npm ci
+
+# If you use yarn:
+# COPY package.json yarn.lock ./
+# RUN yarn install --frozen-lockfile
+
+# Stage 2: Build the Next.js application
+FROM node:22-alpine AS builder
+WORKDIR /app
+
+# Copy dependencies from the 'deps' stage
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build the Next.js application
+# This will create the .next directory with optimized production build
+RUN npm run build
+
+# Stage 3: Run the Next.js application in production
+FROM node:22-alpine AS runner
+WORKDIR /app
+
+# Set environment variables for Next.js production server
+ENV NODE_ENV production
+
+# Next.js requires specific environment variables for standalone output
+# If you are using `output: 'standalone'` in next.config.js, uncomment the following:
+# ENV NEXT_SHARP_PATH=/usr/local/lib/node_modules/sharp
+# COPY --from=builder /app/.next/standalone ./
+# COPY --from=builder /app/.next/static ./.next/static
+# COPY --from=builder /app/public ./public
+
+# If not using standalone output, copy the necessary files
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+
+# Expose the port Next.js runs on (default is 3000)
+EXPOSE 3000
+
+# Command to run the Next.js application
+CMD ["npm", "start"]