update Dockerfile

Author: robberphex

mse-simple-demo/A/Dockerfile

@@ -1,14 +1,39 @@
-FROM eclipse-temurin:8-jdk-alpine
+# syntax=docker/dockerfile:1.3-labs
+
+FROM maven:3-eclipse-temurin-8-alpine
 
 # copy arthas
 COPY --from=hengyunabc/arthas:latest /opt/arthas /opt/arthas
 
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN apk add wget unzip tcpdump ngrep iproute2-ss bind-tools
 
+COPY <<EOF /root/.m2/settings.xml
+<?xml version=\"1.0\"?>
+<settings>
+    <mirrors>
+        <mirror>
+            <id>alimaven</id>
+            <name>aliyun maven</name>
+            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
+            <mirrorOf>central</mirrorOf>
+        </mirror>
+        <mirror>
+            <id>maven-default-http-blocker</id>
+            <mirrorOf>!*</mirrorOf>
+            <url>http://0.0.0.0/</url>
+        </mirror>
+    </mirrors>
+</settings>
+EOF
+
 WORKDIR /app
-COPY /target/A-1.0.0.jar /app
+
+COPY ./ ./
+
+RUN --mount=type=cache,target=/root/.m2/repository/ \
+  mvn clean package
 
 EXPOSE 20001
 ENTRYPOINT ["sh", "-c"]
-CMD ["java -jar /app/A-1.0.0.jar"]
+CMD ["java -jar /app/target/A-1.0.0.jar"]