Dockerfile

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

# Install pnpm
RUN npm install -g pnpm

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

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source code
COPY . .

# Build the application
RUN pnpm run build

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

# Set environment to production
ENV NODE_ENV=production

# Install pnpm and pm2 globally
RUN npm install -g pnpm pm2

# Copy built application from builder
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/pnpm-lock.yaml ./pnpm-lock.yaml
COPY --from=builder /app/ecosystem.config.js ./ecosystem.config.js
COPY --from=builder /app/next.config.ts ./next.config.ts

# Install only production dependencies
RUN pnpm install --prod --frozen-lockfile

# Create a non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nextjs -u 1001

# Change ownership
RUN chown -R nextjs:nodejs /app

# Switch to non-root user
USER nextjs

EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

CMD ["pm2-runtime", "ecosystem.config.js", "--env", "production"]