update

Dockerfile

@@ -12,13 +12,15 @@ RUN mvn clean package -DskipTests \
     && cp target/ocihelper-0.0.1.jar /app/oci-helper.jar
 
 # 支持AMD、ARM两种架构的镜像
-FROM openjdk:8-jdk-alpine
+FROM openjdk:8-jdk
 
 # 安装依赖包
-RUN apk update \
-    && apk add --no-cache tzdata && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends tzdata \
+    && ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
     && echo "Asia/Shanghai" > /etc/timezone \
-    && mkdir -p /app/oci-helper/keys && touch /app/oci-helper/oci-helper.db
+    && mkdir -p /app/oci-helper/keys && touch /app/oci-helper/oci-helper.db \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # 设置工作目录
 WORKDIR /app/oci-helper

README.md

@@ -26,7 +26,7 @@ mkdir -p /app/oci-helper/keys
 
 ### 3. docker拉取镜像直接运行
 
-需提前安装docker环境，镜像大小约170MB，支持arm64、amd64架构。
+需提前安装docker环境，支持arm64、amd64架构。
 
 ```bash
 docker run -d --name oci-helper --restart=always \

README_EN.md

@@ -26,7 +26,7 @@ Copy `application.yml` and `oci-helper.db` to the `/app/oci-helper` directory, a
 
 ### 3. Pull the image from docker and run it directly
 
-The docker environment needs to be installed in advance. The image size is about 170MB and supports arm64 and amd64 architectures.
+The docker environment needs to be installed in advance. The image supports arm64 and amd64 architectures.
 
 ```bash
 docker run -d --name oci-helper --restart=always \