dockerfile

# Stage 1: Dependencies
FROM node:20-alpine AS deps
WORKDIR /app

# Install dependencies needed for node-gyp and pnpm
RUN apk add --no-cache libc6-compat python3 make g++
RUN corepack enable
RUN corepack prepare pnpm@latest --activate

# Copy package files
COPY package.json pnpm-lock.yaml ./

# Install dependencies
RUN pnpm install --frozen-lockfile

# Stage 2: Builder
FROM node:20-alpine AS builder
WORKDIR /app

# Install pnpm
RUN corepack enable
RUN corepack prepare pnpm@latest --activate

# Copy dependencies from deps stage
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Set up environment variables for production build
ENV NEXT_TELEMETRY_DISABLED 1
ENV NODE_ENV production

ARG NEXT_PUBLIC_GOOGLE_MAPS_API_KEY
ARG NEXT_PUBLIC_MAP_ID
ENV NEXT_PUBLIC_GOOGLE_MAPS_API_KEY=$NEXT_PUBLIC_GOOGLE_MAPS_API_KEY
ENV NEXT_PUBLIC_MAP_ID=$NEXT_PUBLIC_MAP_ID

# Build the application
RUN pnpm build

# Stage 3: Runner
FROM node:20-alpine AS runner
WORKDIR /app

# Set to production
ENV NODE_ENV production
ENV NEXT_TELEMETRY_DISABLED 1

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy necessary files from builder
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

# Create a script to handle runtime environment variables
RUN echo '#!/bin/sh' > /app/entrypoint.sh && \
    echo 'node server.js' >> /app/entrypoint.sh && \
    chmod +x /app/entrypoint.sh

# Switch to non-root user
USER nextjs

# Expose port
EXPOSE 3000

# Set hostname
ENV HOSTNAME "0.0.0.0"

# Start the application using the entrypoint script
CMD ["/app/entrypoint.sh"]