Add fetch + static server

Dockerfile

@@ -1,7 +1,5 @@
 FROM node:18-slim AS node_layer
 
-RUN apt-get update && apt-get install -y wget ca-certificates && rm -rf /var/lib/apt/lists/*
-
 # Build layer cho http-server
 RUN npm install -g http-server
 
@@ -25,5 +23,7 @@ COPY --chown=user . /app
 COPY --from=node_layer /usr/local/bin/http-server /usr/local/bin/http-server
 COPY --from=node_layer /usr/local/lib/node_modules /usr/local/lib/node_modules
 
+RUN apt-get update && apt-get install -y wget ca-certificates && rm -rf /var/lib/apt/lists/*
+
 # Chạy 2 tiến trình song song: fetch_data và http-server
 CMD ["sh", "-c", "python app.py & http-server ./static -p 7860"]