add Dockerfile.

Dockerfile

+FROM centos:latest
+
+#基础依赖
+RUN yum -y install zip unzip
+RUN yum -y install vim
+
+# 应用环境变量
+ENV APP_NAME=docker-maven-test
+ENV APP_HOME=/home/admin/docker-maven-test
+ENV JAR_FILE=docker-maven-test-1.0.0
+
+# 将构建出的主包复制到指定镜像目录中
+RUN  groupadd admin && \
+useradd admin -g admin && \
+mkdir -p /home/admin/$APP_NAME/logs /home/admin/$APP_NAME/bin /home/admin/$APP_NAME/target /home/admin/$APP_NAME/target/lib
+
+#jdk1.8环境
+RUN mkdir /usr/local/java
+ADD soft/jdk-8u202-linux-x64.tar.gz /usr/local/java/
+RUN ln -s /usr/local/java/jdk1.8.0_202 /usr/local/java/jdk
+ENV JAVA_HOME /usr/local/java/jdk
+ENV JRE_HOME ${JAVA_HOME}/jre
+ENV CLASSPATH .:${JAVA_HOME}/lib:${JRE_HOME}/lib
+ENV PATH ${JAVA_HOME}/bin:$PATH
+
+#准备自动构建打包环境
+COPY soft/apache-maven-3.3.9-bin.tar.gz /home/admin/$APP_NAME/bin/
+RUN tar xzvf /home/admin/$APP_NAME/bin/apache-maven-3.3.9-bin.tar.gz
+RUN rm -f /home/admin/$APP_NAME/bin/apache-maven-3.3.9-bin.tar.gz
+COPY soft/settings.xml /root/.m2/
+RUN cp -R apache-maven-3.3.9 /usr/local/bin
+RUN export PATH=apache-maven-3.3.9/bin:$PATH
+RUN export PATH=/usr/local/bin/apache-maven-3.3.9/bin:$PATH
+RUN ln -s /usr/local/bin/apache-maven-3.3.9/bin/mvn /usr/local/bin/mvn
+
+#应用工作空间
+WORKDIR /build/
+COPY pom.xml /build/
+
+#如果应用代码在公网，可以使用git clone 将项目克隆下来，再次copy
+COPY docker-maven-test /build/docker-maven-test/
+RUN mvn -q clean package -Dmaven.test.skip=true
+
+#拷贝应用包
+RUN cp /build/docker-maven-test/target/$JAR_FILE.jar /home/admin/$APP_NAME/target/$APP_NAME.jar
+
+#设置系统编码
+RUN localedef -c -f UTF-8 -i zh_CN zh_CN.utf8
+ENV TZ=Asia/Shanghai
+ENV LC_ALL zh_CN.UTF-8
+
+# 复制脚本文件
+COPY docker-maven-test/start.sh /home/admin/$APP_NAME/bin/
+
+# 切换工作空间
+WORKDIR /home/admin/$APP_NAME/
+RUN chmod -R a+x /home/admin/$APP_NAME/bin/*.sh && \
+chown -R admin:admin /home/admin/*
+
+# 运行jar包
+ENTRYPOINT ["java","-jar","docker-maven-test-1.0.0.jar"]
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