dockerfile

# Build stage
FROM node:20-alpine AS builder
WORKDIR /app

# Copy package.json and package-lock.json
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy the rest of the application code, including next.config.mjs
COPY . .

# Build the Next.js app
RUN npm run build

RUN rm -f .env*
RUN rm -f /app/.next/standalone/.env*

# Production stage
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files from build stage
COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder /app/next.config.mjs ./

USER nextjs

EXPOSE 3000

CMD ["node", "server.js"]