FROM node:20-alpine AS base

# Change Alpine repo
RUN sed -i 's|https://dl-cdn.alpinelinux.org/alpine|https://mirror.de.velop.ir/alpine|g' /etc/apk/repositories

# Configure npm registry mirror (Liara)
ENV NPM_CONFIG_REGISTRY=https://package-mirror.liara.ir/repository/npm/
RUN npm config set registry https://package-mirror.liara.ir/repository/npm/

# Install tzdata to support timezone settings
RUN apk add --no-cache tzdata && \
    cp /usr/share/zoneinfo/Asia/Tehran /etc/localtime && \
    echo "Asia/Tehran" > /etc/timezone

WORKDIR /app
ENV TZ=Asia/Tehran

FROM base AS deps
RUN apk add --no-cache libc6-compat
COPY package*.json ./
RUN npm ci --legacy-peer-deps --no-audit --no-fund --loglevel warn

FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM base AS runner
ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    PORT=3000 \
    HOSTNAME=0.0.0.0

RUN addgroup -S appgroup && adduser -S appuser -G appgroup
RUN mkdir -p .next && chown appuser:appgroup .next

COPY --from=builder --chown=appuser:appgroup /app/.next/standalone ./
COPY --from=builder --chown=appuser:appgroup /app/.next/static ./.next/static
COPY --from=builder --chown=appuser:appgroup /app/public ./public

USER appuser
EXPOSE 3000
CMD ["node", "server.js"]