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Error deploying Karate into container using karatelabs/karate-chrome

I am trying to deploy my Karate project into container using karatelabs/karate-chrome image:

In my POM.XML, I have: Java 21, Karate 1.4.1, Maven 3.6.0

My Dockerfile (which invokes karate_runner.sh)

FROM karatelabs/karate-chrome
# maven:3.9.6-eclipse-temurin-21-alpine

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

#COPY settings.xml /usr/share/maven/ref/
COPY pom.xml /tmp/pom.xml
COPY . /usr/src/app

RUN ["chmod", "+x", "/usr/src/app/maven_runner.sh"]
RUN ulimit -c -l
RUN mvn -B -f /tmp/pom.xml -s /usr/share/maven/ref/settings-docker.xml prepare-package -DskipTests

#Execute shell script from the docker file! This shell script will invoke karate parallel runner class
CMD ["sh","/usr/src/app/karate_runner.sh"]

Karate_runner.sh file

As per https://github.com/karatelabs/karate/blob/master/build-docker.sh

I encountered below issue.

Issue

Would be great if you could guide me how to troubleshoot these issues.

Solution

  • After few cups of tea, I have realised that I can actually use plain JDK 21 image and manually install Maven of the same version used locally on my laptop. Using this image, I can now run my parallel runner class successfully!

    Dockerfile

    # FROM syntax indicates type of docker image we will use. 

FROM openjdk:21-jdk 

 
# Install maven 

ARG MAVEN_VERSION=3.9.8 

ARG BASE_URL=https://apache.osuosl.org/maven/maven-3/${MAVEN_VERSION}/binaries 


RUN mkdir -p /usr/share/maven /usr/share/maven/ref \ 

&& curl -fsSL -o /tmp/apache-maven.tar.gz ${BASE_URL}/apache-maven-${MAVEN_VERSION}-bin.tar.gz \ 

&& tar -xzf /tmp/apache-maven.tar.gz -C /usr/share/maven --strip-components=1 \ 

&& rm -f /tmp/apache-maven.tar.gz \ 

&& ln -s /usr/share/maven/bin/mvn /usr/bin/mvn 

ENV MAVEN_HOME=/usr/share/maven 

 
RUN mkdir -p /usr/src/app 

WORKDIR /usr/src/app 

 
COPY pom.xml /tmp/pom.xml 

# Copy an entire project into /usr/src/app 

COPY . /usr/src/app 

 
#This is to provide maven_runner.sh with executable permission 

RUN ["chmod", "+x", "/usr/src/app/maven_runner.sh"] 

RUN ulimit -c -l 

 
# Instruct Maven to download all dependencies in advance 

RUN mvn -B -f /tmp/pom.xml prepare-package -DskipTests 

 
# This CMD - command part will be executed upon Docker Run command 

CMD ["sh","/usr/src/app/maven_runner.sh"]

    maven_runner.sh file

    #!/usr/bin/env bash
echo "START: Running tests..."

# Invoke ParallelTestRunner class
mvn test -Dtest=ParallelTestRunner

if [[ $? -ne 0 ]] ; then
  echo "FINISH: There are test failures, failing build..."
  echo "Exiting with code 1."
  exit 1
else
  echo "FINISH: All tests passed!"
  echo "Exiting with code 0."
  exit 0
fi