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Improve Dockerfile 

Signed-off-by: Guillaume Lours <guillaume.lours@docker.com>
This commit is contained in:
Guillaume Lours 2020-03-12 14:29:50 +01:00
parent ddcbf6f7bd
commit f4f078cd40
1 changed files with 17 additions and 9 deletions
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26
samples/spring-postgres/backend/Dockerfile
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@ -1,12 +1,20 @@
FROM maven:3.6.3-jdk-11 AS build
COPY pom.xml .
RUN mvn --batch-mode dependency:resolve
COPY . .
RUN mvn --batch-mode package
RUN cp target/*jar target/app.jar
FROM maven:3.6.3-jdk-11 AS builder
WORKDIR /workdir/server
COPY pom.xml /workdir/server/pom.xml
RUN mvn dependency:go-offline
COPY src /workdir/server/src
RUN mvn install
RUN mkdir -p target/depency
WORKDIR /workdir/server/target/dependency
RUN jar -xf ../*.jar
FROM openjdk:11-jre-slim
FROM openjdk:11-jre
EXPOSE 8080
VOLUME /tmp
COPY --from=build target/app.jar app.jar
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
ARG DEPENDENCY=/workdir/server/target/dependency
COPY --from=builder ${DEPENDENCY}/BOOT-INF/lib /app/lib
COPY --from=builder ${DEPENDENCY}/META-INF /app/META-INF
COPY --from=builder ${DEPENDENCY}/BOOT-INF/classes /app
ENTRYPOINT ["java","-cp","app:app/lib/*","com.company.project.Application"]