# ============================
# STAGE 1 – Build
# ============================
FROM node:20-alpine AS builder

WORKDIR /app

# Copia pacotes e instala dependências
COPY package*.json ./
RUN npm ci

# Copia o restante do código
COPY . .

# ---------- Variáveis de build ----------
# Estas variáveis são usadas pelo Next.js durante o "build"
# para embutir no bundle do frontend.
ARG NEXT_PUBLIC_ORIUS_APP_STATE
ARG NEXT_PUBLIC_ORIUS_APP_API_URL
ARG NEXT_PUBLIC_ORIUS_APP_API_PREFIX
ARG NEXT_PUBLIC_ORIUS_APP_API_CONTENT_TYPE

ENV NEXT_PUBLIC_ORIUS_APP_STATE=$NEXT_PUBLIC_ORIUS_APP_STATE
ENV NEXT_PUBLIC_ORIUS_APP_API_URL=$NEXT_PUBLIC_ORIUS_APP_API_URL
ENV NEXT_PUBLIC_ORIUS_APP_API_PREFIX=$NEXT_PUBLIC_ORIUS_APP_API_PREFIX
ENV NEXT_PUBLIC_ORIUS_APP_API_CONTENT_TYPE=$NEXT_PUBLIC_ORIUS_APP_API_CONTENT_TYPE

# ---------- Build ----------
ENV NODE_ENV=production
RUN npm run build

# ============================
# STAGE 2 – Runner (standalone)
# ============================
FROM node:20-alpine AS runner

WORKDIR /app

# ---------- Variáveis em runtime ----------
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Copia apenas o necessário do build
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
COPY --from=builder /app/package*.json ./

# ---------- Corrige permissões ----------
RUN addgroup -S nodejs && adduser -S nextjs -G nodejs \
  && mkdir -p .next/cache/images \
  && chown -R nextjs:nodejs /app

USER nextjs

EXPOSE 3000

# ---------- Executa o servidor ----------
CMD ["node", "server.js"]