fix remove

Dockerfile

@@ -1,11 +1,7 @@
-FROM debian:bullseye-slim AS builder
+FROM ubuntu:24.04
 
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
 RUN curl -s https://api.github.com/repos/nexus-xyz/nexus-cli/releases/latest | \
     grep "browser_download_url" | \
     grep "nexus-network-linux-x86_64\"" | \
@@ -13,15 +9,4 @@ RUN curl -s https://api.github.com/repos/nexus-xyz/nexus-cli/releases/latest | \
     xargs -I {} curl -L -o nexus-network {} && \
     chmod +x nexus-network
 
-FROM ubuntu:24.04
-
-WORKDIR /app
-
-ENV NEXUS_HOME=/root/.nexus
-
-RUN mkdir -p ${NEXUS_HOME}
-
-COPY --from=builder /app/nexus-network nexus-network
-
-# 使用JSON数组格式的ENTRYPOINT，通过shell来确保环境变量展开
 ENTRYPOINT ["/bin/bash", "-c", "./nexus-network start --node-id ${NODE_ID}"]