# Stage 1: Install dependencies FROM node:22-alpine AS deps RUN apk add --no-cache libc6-compat WORKDIR /app COPY package.json package-lock.json ./ RUN npm ci # Stage 2: Build the Next.js application FROM node:22-alpine AS builder WORKDIR /app COPY --from=deps /app/node_modules ./node_modules COPY . . ENV NEXT_TELEMETRY_DISABLED=1 ENV NODE_ENV=production RUN npm run build # Stage 3: Production runner with Nginx reverse proxy FROM node:22-alpine AS runner WORKDIR /app RUN apk add --no-cache nginx ENV NODE_ENV=production ENV NEXT_TELEMETRY_DISABLED=1 ENV PORT=3000 ENV HOSTNAME="0.0.0.0" # Copy public static assets and standalone build output COPY --from=builder /app/public ./public COPY --from=builder /app/.next/standalone ./ COPY --from=builder /app/.next/static ./.next/static # Copy custom Nginx configuration COPY nginx.conf /etc/nginx/nginx.conf EXPOSE 80 # Start Next.js standalone server in background and Nginx in foreground CMD ["sh", "-c", "node server.js & nginx -g 'daemon off;'"]