feat(deploy): add deployment script and update Docker docs

- Add deploy.sh for automated Docker build and push to private registry
- Lowercase Docker image name to comply with registry requirements
- Update README with concrete Docker run examples and configuration

README.MD

@@ -1,7 +1,7 @@
 # 图书管理系统
 
 <p align="center">
-  <img src="https://img.shields.io/badge/version-0.1-blue" alt="version">
+  <img src="https://img.shields.io/badge/version-v0.1-blue" alt="version">
   <img src="https://img.shields.io/badge/Kotlin-2.2.21-purple?logo=kotlin" alt="Kotlin">
   <img src="https://img.shields.io/badge/Spring_Boot-4.0.6-green?logo=springboot" alt="Spring Boot">
   <img src="https://img.shields.io/badge/MySQL-8.0-orange?logo=mysql" alt="MySQL">
@@ -221,9 +221,29 @@ java -jar build/libs/bookMgr-0.1.jar
 
 ### Docker
 
-Dockerfile 待补充。镜像后续发布至私有 Gitea 仓库：
+镜像基于 `bellsoft/liberica-runtime-container:jre-21-slim-musl`，JVM 参数 `-Xmx512m -Dfile.encoding=UTF-8`，暴露 8080 端口。
 
-[git.msksbr.com/msksbr/bookMgr](https://git.msksbr.com/msksbr/bookMgr)
+```bash
+# 拉取镜像
+docker pull git.msksbr.com/msksbr/bookmgr:v0.1
+
+# 运行
+docker run -d \
+  --name bookmgr \
+  -p 8080:8080 \
+  -e DB_DRIVER=com.mysql.cj.jdbc.Driver \
+  -e DB_TYPE=mysql \
+  -e DB_URL=your-db-host \
+  -e DB_PORT=3306 \
+  -e DB_NAME=bookmgr \
+  -e DB_USER=root \
+  -e DB_PASSWORD=your-password \
+  -e JWT_SECRET=your-secret \
+  -e LOG_PATH=/var/log/bookmgr \
+  git.msksbr.com/msksbr/bookmgr:v0.1
+```
+
+镜像托管于私有 Gitea 仓库：[git.msksbr.com/msksbr/bookMgr](https://git.msksbr.com/msksbr/bookMgr)
 
 ### Docker Compose
 

build.gradle.kts

@@ -68,8 +68,8 @@ docker {
         baseImage.set("bellsoft/liberica-runtime-container:jre-21-slim-musl")
         ports.set(listOf(8080))
         images.set(setOf(
-            "$giteaRegistry/$giteaUser/bookMgr:${project.version}",
-            "$giteaRegistry/$giteaUser/bookMgr:latest"
+            "$giteaRegistry/$giteaUser/bookmgr:${project.version}",
+            "$giteaRegistry/$giteaUser/bookmgr:latest"
         ))
         jvmArgs.set(listOf("-Xmx512m", "-Dfile.encoding=UTF-8"))
     }

deploy.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+set -e
+
+REGISTRY="${GITEA_REGISTRY:-git.msksbr.com}"
+USERNAME="${GITEA_USERNAME:-msksbr}"
+IMAGE="$REGISTRY/$USERNAME/bookmgr"
+VERSION=$(grep '^version' build.gradle.kts | head -1 | sed 's/.*"\(.*\)".*/\1/')
+
+echo ">>> 版本: $VERSION"
+echo ">>> 镜像: $IMAGE"
+
+# 1. 构建 jar + 生成 Dockerfile
+echo ">>> 构建..."
+./gradlew clean build dockerCreateDockerfile
+
+# 2. 构建镜像
+echo ">>> 构建镜像..."
+docker build \
+  -t "$IMAGE:$VERSION" \
+  -t "$IMAGE:latest" \
+  build/docker/
+
+# 3. 推送镜像
+echo ">>> 推送镜像..."
+docker push "$IMAGE:$VERSION"
+docker push "$IMAGE:latest"
+
+echo ""
+echo "完成！"
+echo "  镜像: $IMAGE:$VERSION"
+echo "  jar:  build/libs/book<gr-$VERSION.jar"
+echo ""
+echo "接下来手动操作："
+echo "  1. 去 Gitea 创建 Release，版本号填 v$VERSION"
+echo "  2. 上传 build/libs/bookMgr-$VERSION.jar"
+echo "  3. 上传 API 文档"