dockerfile plugin

Giriş

Açıklaması şöyle

Spotify Dev team open-sourced many tools they are using among others dockerfile-maven-plugin as well.

The dockerfile-maven-plugin can create and publish a docker image based on your Dockerfile meanwhile running maven commands.

It allows you to configure the props based on your need. The usage doc can be found here. Authentication doc for publishing your app’s image to Google Cloud Container or your registry can be found here.

Örnek

Şöyle yaparız

<plugin>
  <groupId>com.spotify</groupId>
  <artifactId>dockerfile-maven-plugin</artifactId>
  <version>${dockerfile-maven-plugin.version}</version>
  <configuration>
    <repository>${docker.image.prefix}/${project.artifactId}</repository>
  </configuration>
  <executions>
    <execution>
      <id>default</id>
      <phase>install</phase>
      <goals>
        <goal>build</goal>
      </goals>
    </execution>
  </executions>
</plugin>  

Docker dosyası için şöyle yaparız.  maven install komutu ile önce jar yapılandırılıyor. En son olarak ta Docker dosyası çalıştırılıyor

FROM openjdk:17-alpine as builder

WORKDIR application

ARG JAR_FILE=target/*.jar

COPY ${JAR_FILE} application.jar
RUN java -Djarmode=layertools -jar application.jar extract

FROM openjdk:17-alpine
WORKDIR application
COPY --from=builder application/dependencies/ ./
COPY --from=builder application/spring-boot-loader/ ./
COPY --from=builder application/snapshot-dependencies/ ./
COPY --from=builder application/application/ ./
ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]

mvn deploy ile de Docker image Docker deposuna gönderilir