# =============================================================================
# PMC Backend - Dockerfile
# =============================================================================

FROM node:20-alpine AS deps
WORKDIR /app
RUN apk add --no-cache libc6-compat
COPY package*.json ./
RUN npm ci --only=production

FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production

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

COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package*.json ./

RUN mkdir -p /var/log/pmc && chown -R nestjs:nodejs /var/log/pmc

USER nestjs
EXPOSE 3111

HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD wget --spider -q http://localhost:3111/health || exit 1

CMD ["node", "dist/main.js"]