My javacode checked out by circleci is not found when I use Dockerfile

Дата публикации: 18-07-2026 15:36:40

I am not very experienced using Docker , but I want to build an image that runs java and springboot as I want to run some tests on the running application (not just junit tests)
I have to dockerfile for dockerfile build
FROM maven:3.9.16-eclipse-temurin-17 AS build
# Build the application using Maven
RUN mvn clean package -DskipTests
ARG JAR_FILE=target/*.jar
COPY ${JAR_FILE} app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "/app.jar"]
But this is the log error from pipeline build:
The goal you specified requires a project to execute but there is no POM in this directory .
I need to run maven package to create the application jar file in order to be able to set the entrypoint
For me it seems that docker doesnt find the files from cirlcleci checkout
My job (what happens after build might not work either, but for now I focus to get docker build to work and now its the Dockerfile that is the problem
jobincmaven:
docker:
- image: cimg/base:2026.07
steps:
- checkout
- setup_remote_docker:
docker_layer_caching: true
- run:
name: Build an image
command: |
docker build --tag $CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME$CIRCLE_SHA1 .
- run:
name: Run application in background
command: |
docker run -t $CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME$CIRCLE_SHA1
background: true

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