Claude Code: fix Dockerfile - create logs dir instead of copying non-existent file

Dockerfile

@@ -13,10 +13,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY app.py .
 COPY openclaw.json .
-COPY logs/build.log /app/logs/build.log
 
-# Update build log with build timestamp
-RUN echo "Docker build completed at $(date -Iseconds)" >> /app/logs/build.log
+# Create logs directory and initialize build log
+RUN mkdir -p /app/logs && echo "Docker build completed at $(date -Iseconds)" >> /app/logs/build.log
 
 ENV PORT=7860
 EXPOSE 7860