# Multi-stage build for the ANOUMA app (Next.js + Payload CMS + WebRTC
# signaling, all served by the custom server.ts — see next.config.ts for why
# this can't use Next's "standalone" output). DATABASE_URI/PAYLOAD_SECRET/etc.
# are only needed at *runtime*, not at build time (see docker-compose.yml and
# .env.example) — this image builds without a database connection.

FROM node:22-alpine AS base

# ---- deps: install once, cached as its own layer -------------------------
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

# ---- builder: full source + production build ------------------------------
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

# ---- runner: the actual runtime image --------------------------------------
FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

# Copied wholesale (not a hand-picked list of directories) so newly added
# source folders (collections, scripts, lib/*, components/*, ...) are never
# silently missing at runtime — .dockerignore already excludes what doesn't
# belong in the image (node_modules is re-added explicitly below, .next is
# the build output we do want).
COPY --from=builder --chown=nextjs:nodejs /app /app

# Writable at runtime, independent of the image — actual data lives in the
# Docker volumes mounted over these paths (see docker-compose.yml).
RUN mkdir -p media backups && chown -R nextjs:nodejs media backups

USER nextjs

EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME=0.0.0.0

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD node -e "fetch('http://127.0.0.1:3000/api/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"

CMD ["npm", "start"]