fix: streamline Dockerfile by removing redundant mirror configuration… (#175)

fix: streamline Dockerfile by removing redundant mirror configurations and simplifying package installation

Author: hhhhsc701

scripts/images/backend/Dockerfile

@@ -1,8 +1,6 @@
 FROM maven:3-eclipse-temurin-8 AS datax-builder
 
-RUN sed -i "s@http://.*archive.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list && \
-    sed -i "s@http://.*security.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list && \
-    apt-get update && \
+RUN apt-get update && \
     apt-get install -y git && \
     git clone https://github.com/alibaba/DataX.git
 
@@ -23,9 +21,7 @@ RUN cd /opt/backend && \
 
 FROM eclipse-temurin:21-jdk
 
-RUN sed -i "s@http://.*archive.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list && \
-    sed -i "s@http://.*security.ubuntu.com@http://mirrors.huaweicloud.com@g" /etc/apt/sources.list && \
-    apt-get update && \
+RUN apt-get update && \
     apt-get install -y vim wget curl nfs-common rsync python3 python3-pip python-is-python3 dos2unix && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*