新增Dockerfile

Dockerfile

+FROM maven:3.5.2-jdk-8-alpine AS MAVEN_BUILD
+
+# 工作目录在镜像的 /build 目录下
+WORKDIR /build/
+
+# 把本地的 pom.xml 和 src目录 复制到镜像的/build目录下
+COPY ./ /build/
+
+WORKDIR /build/
+# 执行maven打包
+RUN mvn package
+
+# 运行jar采用jdk基础镜像
+FROM openjdk:8-jdk-alpine
+# 设置工作目录在镜像的 /app 目录下
+WORKDIR /app
+COPY --from=MAVEN_BUILD /build/cost-service/target/cost-service-1.0-SNAPSHOT.jar /app/
+
+ENV LANG en_GB.UTF-8
+
+RUN echo "Asia/Shanghai" > /etc/timezone
+RUN echo -e "https://mirror.tuna.tsinghua.edu.cn/alpine/v3.4/main\n\
+https://mirror.tuna.tsinghua.edu.cn/alpine/v3.4/community" > /etc/apk/repositories
+
+RUN apk --update add curl bash ttf-dejavu && \
+      rm -rf /var/cache/apk/*
+
+ENTRYPOINT ["java","-Xms1G","-Xmx1G","-jar","-Dspring.profiles.active=prod","/cost-service-1.0-SNAPSHOT.jar"]
+EXPOSE 8082