新增Dockerfile

data-skywalking/Dockerfile

+FROM maven:3.6.0-alpine
+
+RUN apk add ca-certificates && \
+    apk add tzdata && \
+    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone
+
+# make source folder
+RUN mkdir -p /usr/app
+WORKDIR /usr/app
+# install maven dependency packages (keep in image)
+
+COPY data-skywalking /usr/app/data-skywalking
+
+RUN mvn package -DskipTests -f /usr/app/data-skywalking/pom.xml
+
+#指定容器启动程序及参数   <ENTRYPOINT> "<CMD>"
+EXPOSE 80
+ENTRYPOINT ["java","-Xms30m","-Xmx250m","-jar","/usr/app/data-skywalking/target/data-skywalking-1.0.1.jar"]
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