自动化构建docker镜像 (#19)

* feat(build): add Dockerfile

* feat(github-actions): 添加 Docker 镜像构建和发布工作流

* 删除maven的镜像配置

Dockerfile

@@ -0,0 +1,29 @@
+FROM maven:3.9-eclipse-temurin-17-alpine AS build
+
+WORKDIR /app
+
+COPY pom.xml ./pom.xml
+
+COPY src ./src
+
+RUN --mount=type=cache,target=/root/.m2 \
+    mvn package  -am -DskipTests
+
+RUN mkdir -p /layers && \
+    cp /app/target/SIMS-0.0.1-SNAPSHOT.jar /layers/target.jar && \
+    cd /layers && \
+    java -Djarmode=layertools -jar /layers/target.jar extract
+
+FROM eclipse-temurin:17-jre AS runtime
+
+WORKDIR /app
+
+COPY --from=build /layers/dependencies/ .
+COPY --from=build /layers/snapshot-dependencies/ .
+COPY --from=build /layers/spring-boot-loader/ .
+COPY --from=build /layers/application/ .
+
+EXPOSE 8080
+
+# 执行命令
+ENTRYPOINT [ "java",  "org.springframework.boot.loader.JarLauncher" ]