Dienstag

maven/Dockerfile

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+# First stage: complete build environment
+FROM maven:3.8.4-eclipse-temurin-11-alpine AS builder
+
+# add pom.xml 
+COPY pom.xml .
+
+RUN mvn -B dependency:go-offline 
+
+# add later source code
+
+ADD ./src src/
+
+# package jar
+RUN mvn -B package
+
+# Second stage: minimal runtime environment
+FROM eclipse-temurin:11-jre-alpine
+
+# copy jar from the first stage
+COPY --from=builder target/demo-1.0-SNAPSHOT.jar demo-1.0-SNAPSHOT.jar
+
+EXPOSE 8080
+
+CMD ["java", "-jar", "demo-1.0-SNAPSHOT.jar"]