修改 Dockerfile

Dockerfile

@@ -1,13 +1,20 @@
-FROM java:8
+#FROM maven:3.6.1-jdk-8-alpine AS build
+# https://github.com/nekolr/maven-image/tree/master/3.6.1-jdk-8
+FROM nekolr/maven:3.6.1 AS build
 
-MAINTAINER octopus
+RUN mkdir -p /usr/src/app
 
-RUN mkdir -p /spider-flow
+WORKDIR /usr/src/app
 
-WORKDIR /spider-flow
+COPY . .
+
+RUN mvn clean package
+
+
+FROM openjdk:8-jdk-alpine
+
+COPY --from=build /usr/src/app/spider-flow-web/target/spider-flow.jar .
 
 EXPOSE 8088
 
-ADD ./spider-flow-web/target/spider-flow.jar ./
-
-CMD sleep 30;java -Djava.security.egd=file:/dev/./urandom -jar spider-flow.jar
+CMD java -jar spider-flow.jar