push

yd-oss-api/Dockerfile

-# 构建阶段 - 创建包含LibreOffice的基础镜像
+# ============================================================
+# 构建阶段 - 创建包含 LibreOffice 的基础镜像
+# ============================================================
 FROM openjdk:8-jre-slim as base-builder
 
 ENV LANG=zh_CN.UTF-8 \
@@ -6,10 +8,12 @@ ENV LANG=zh_CN.UTF-8 \
     LC_ALL=zh_CN.UTF-8 \
     DEBIAN_FRONTEND=noninteractive
 
-RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list && \
-    sed -i 's/security.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list
+# 替换为清华源（比 aliyun 更稳定，Release 文件更新及时）
+# 同时加上 -o Acquire::Check-Valid-Until=false 作为双保险，避免 Release 过期导致失败
+RUN sed -i 's|deb.debian.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list && \
+    sed -i 's|security.debian.org|mirrors.tuna.tsinghua.edu.cn/debian-security|g' /etc/apt/sources.list
 
-RUN apt-get update && \
+RUN apt-get update -o Acquire::Check-Valid-Until=false && \
     apt-get install -y --no-install-recommends \
         fonts-liberation \
         fonts-dejavu-core \
@@ -29,12 +33,15 @@ RUN apt-get update && \
 RUN mkdir -p /home/app
 WORKDIR /home/app
 
+# ============================================================
 # 最终阶段
+# ============================================================
 FROM base-builder
 
-# 只拷贝jar包
+# 只拷贝 jar 包
 COPY target/yd-oss-api-1.0-SNAPSHOT-exec.jar /home/app/yd-oss-api.jar
 
-# 执行命令启动jar，并设置JVM内存参数
+# 启动命令，设置 JVM 内存参数
 ENTRYPOINT ["java", "-Xmx1024m", "-Xms512m", "-jar", "/home/app/yd-oss-api.jar"]
+
 EXPOSE 9106
\ No newline at end of file