# Document Translation Frontend - Dockerfile
# Multi-stage build for optimized production

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY frontend/package*.json ./

# Install dependencies
RUN npm ci --only=production=false

# Copy source code
COPY frontend/ .

# Build arguments for environment
ARG NEXT_PUBLIC_API_URL=http://localhost:8000
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS production

WORKDIR /app

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

# Copy built assets from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Set correct permissions
RUN chown -R nextjs:nodejs /app

USER nextjs

# Environment
ENV NODE_ENV=production \
    PORT=3000 \
    HOSTNAME="0.0.0.0"

EXPOSE 3000

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