FROM node:22-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# ---- Runner ----
FROM node:22-alpine AS runner

WORKDIR /app

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

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

# Standalone output
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# Copy sharp native binaries (needed for HEIC→JPEG conversion)
COPY --from=builder /app/node_modules/sharp ./node_modules/sharp
COPY --from=builder /app/node_modules/@img ./node_modules/@img

RUN mkdir -p /app/data/uploads/photos /app/data/uploads/videos /app/data/uploads/music \
  && chown -R nextjs:nodejs /app/data

# Entrypoint fixes data dir permissions at runtime (volume mount overrides)
RUN apk add --no-cache su-exec \
  && printf '#!/bin/sh\nmkdir -p /app/data/uploads/photos /app/data/uploads/videos /app/data/uploads/music\nchown -R nextjs:nodejs /app/data 2>/dev/null || true\nexec su-exec nextjs node server.js\n' > /app/entrypoint.sh \
  && chmod +x /app/entrypoint.sh

EXPOSE 3000
CMD ["/app/entrypoint.sh"]