# =============================================================================
# Telemetry Service Dockerfile
# =============================================================================

FROM node:20-alpine AS builder
WORKDIR /app

COPY package*.json ./
COPY tsconfig.json ./
COPY nest-cli.json ./

RUN npm ci

COPY src ./src

RUN npm run build

# ─── Production stage ────────────────────────────────────────────────────────
FROM node:20-alpine
WORKDIR /app

RUN apk add --no-cache dumb-init curl

COPY --from=builder /app/package*.json ./
RUN npm ci --only=production

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

USER node
EXPOSE 3011

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:3011/api/v1/health || exit 1

CMD ["dumb-init", "node", "dist/main"]