# Frontend Dockerfile for Galaxy-PO
FROM node:24-alpine AS base

WORKDIR /app

# Install dependencies only when needed
FROM base AS deps
COPY package*.json ./
RUN npm ci

# Development stage
FROM base AS development
COPY --from=deps /app/node_modules ./node_modules
COPY . .
EXPOSE 3000
CMD ["npm", "run", "dev"]

# Build stage
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ARG BACKEND_URL=http://backend:8000
ENV BACKEND_URL=${BACKEND_URL}
RUN npm run build

# Production stage
FROM base AS production
ENV NODE_ENV=production

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

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

USER nextjs

EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:3000/ || exit 1

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