fix: 使用openjdk镜像

Dockerfile

@@ -5,7 +5,7 @@ COPY settings.xml /root/.m2/settings.xml
 COPY . $WORK_PATH
 RUN cd $WORK_PATH && mvn clean install -DskipTests -DfinalName=$PROJECT_NAME
 
-FROM java:8-jre-alpine
+FROM openjdk:8-jre-alpine
 ENV PROJECT_NAME app
 ENV WORK_PATH /opt/$PROJECT_NAME
 WORKDIR /app