Fix duplicate next.config copy in Dockerfile

Dockerfile

@@ -21,16 +21,20 @@ FROM node:20-alpine AS runner
 
 WORKDIR /app
 
-# Copy only the built assets and runtime dependencies from the builder
 # Copy only built assets and runtime dependencies
 COPY --from=builder /app/.next ./.next
-COPY --from=builder /app/public ./public
+
+# KORREKTUR: Kopiert den public-Ordner nur, wenn er wirklich existiert
+COPY --from=builder /app/public* ./public
+
 COPY --from=builder /app/package*.json ./
 # KORREKTUR: Flexibles Kopieren der Next-Konfiguration (egal ob .js oder .mjs)
 COPY --from=builder /app/next.config.* ./
 # Optionale TS-Dateien (nur kopieren, wenn vorhanden, blockiert den Build nicht mehr)
 COPY --from=builder /app/tsconfig.json ./ 2>/dev/null || true
 COPY --from=builder /app/next-env.d.ts ./ 2>/dev/null || true
+COPY --from=builder /app/tsconfig.json ./ 2>/dev/null || true
+COPY --from=builder /app/next-env.d.ts ./ 2>/dev/null || true
 # Install production dependencies (already installed in builder, but ensure they are present)
 RUN npm ci --omit=dev