FROM node:22-alpine AS base

# FFmpeg for video transcoding (HLS), thumbnail extraction, and metadata
RUN apk add --no-cache ffmpeg

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci --ignore-scripts
RUN npx prisma generate || true

# Rebuild source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Prisma client
RUN npx prisma generate

# Build the Next.js app
RUN npm run build

# Production image
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

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

COPY --from=builder /app/public ./public

# Copy Next.js standalone output
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Copy Prisma schema, config, and migrations for runtime
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
COPY --from=builder /app/src/generated ./src/generated

# Install runtime deps needed for migrations + seed. The Next.js standalone
# bundle covers the app itself, but the seed script (prisma/seed-dow.ts) is
# a separate .ts file executed via tsx and needs its own module graph:
#   prisma      — the migrate-deploy CLI
#   dotenv      — prisma.config.ts imports dotenv/config
#   tsx         — runs the seed without an ahead-of-time compile
#   @prisma/adapter-pg — the driver the seed instantiates directly
#   bcryptjs    — the seed hashes the admin's temp password
RUN npm install --no-save \
    prisma@7.4.2 \
    dotenv@17.3.1 \
    tsx@4 \
    @prisma/adapter-pg@7.4.2 \
    bcryptjs@3

# Create uploads directories for media storage
RUN mkdir -p /data/uploads && chown nextjs:nodejs /data/uploads
RUN mkdir -p /app/public/uploads/revisions && chown -R nextjs:nodejs /app/public/uploads

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

CMD ["sh", "-c", "./node_modules/.bin/prisma migrate deploy && node server.js"]