# ── Build-Stage: TypeScript kompilieren ───────────────────────────
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev && npm ci
COPY tsconfig.server.json ./
COPY src/server/ ./src/server/
RUN npx tsc -p tsconfig.server.json

# ── Production-Stage: Nur das Nötigste ─────────────────────────────
FROM node:20-alpine
WORKDIR /app

# Runtime-User (nicht root)
RUN addgroup -S logviewer && adduser -S logviewer -G logviewer

# Nur production dependencies
COPY package*.json ./
RUN npm ci --omit=dev && npm cache clean --force

# Kompilierte Server-Dateien
COPY --from=builder /app/dist-server/ ./dist-server/

# Web-UI (statische Assets)
COPY src/web/ ./src/web/

# Persistenz-Volume
RUN mkdir -p /app/collector-data /app/monitor-data && \
    chown -R logviewer:logviewer /app

# Default-CMD (beide Modi aktiv)
EXPOSE 8080
ENV HOST=0.0.0.0 PORT=8080 LOG_MODE=both
USER logviewer
CMD ["node", "dist-server/server.js"]

# Mögliche Overrides:
# Collector:     -e LOG_MODE=collector -e COLLECTOR_UDP_PORT=5140
# Viewer:        -e LOG_MODE=viewer -p 9090:9090
# Monitor:       -e LOG_MODE=monitor -e MONITOR_RULES='[...]'