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Build Docker image and run tests
========================

In current `.` directory is your project which starts with root POM.

(including `.` at the end of next line)

    $ sudo docker build --no-cache -t my-image:1 -f ./Dockerfile .
    $ sudo docker run -it --rm my-image:1 /bin/sh
    
Run the command `mvn test` in the shell console of docker.

Dockerfile in current directory
========================

    FROM maven:3.5.3-jdk-8-alpine
    COPY ./. /

The test
========================

Location in current directory.

    src/test/java/MyTest.java

Simple test waiting 3 seconds:

    import org.junit.Test;
    
    public class MyTest {
        @Test
        public void test() throws InterruptedException {
            Thread.sleep(3000L);
        }
    }


POM
========================

The `pom.xml`:

    <?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>x</groupId>
        <artifactId>y</artifactId>
        <version>1.0</version>
    
        <dependencies>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.13</version>
            </dependency>
        </dependencies>
    
        <build>
            <plugins>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>latest plugin version here</version>
                </plugin>
            </plugins>
        </build>
    
    </project>

