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Dockerfile

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+# Dockerfile für Location Tracker App mit MQTT Integration
+
+FROM node:20-alpine AS base
+
+# Installiere docker-cli für Mosquitto Container Management
+RUN apk add --no-cache docker-cli
+
+# Dependencies Stage
+FROM base AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+
+# Builder Stage
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build Next.js App
+RUN npm run build
+
+# Initialisiere Datenbanken
+RUN npm run db:init && \
+    node scripts/add-mqtt-tables.js
+
+# Runner Stage
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+# Kopiere nur Production Dependencies
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+# Kopiere Build Artifacts
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/data ./data
+
+# Kopiere App Code (benötigt für instrumentation.ts, lib/, etc.)
+COPY --from=builder /app/instrumentation.ts ./
+COPY --from=builder /app/lib ./lib
+COPY --from=builder /app/scripts ./scripts
+COPY --from=builder /app/next.config.js ./
+COPY --from=builder /app/middleware.ts ./
+
+# Exponiere Port
+EXPOSE 3000
+
+# Start App
+CMD ["npm", "start"]