Utilizaremos el plugin gradle-docker para gradle.
build.gradle
plugins {
id 'java'
id 'org.springframework.boot' version '1.5.17.RELEASE'
id 'com.palantir.docker' version '0.20.1'
id 'com.palantir.docker-run' version '0.20.1'
}
...
jar {
baseName = 'my-spring-boot-app'
version = '1.0.0'
}
docker {
dependsOn build
name "my-docker-registry:5043/my-image-name"
tags jar.version, 'latest'
files jar.archivePath
buildArgs(['JAR_FILE': jar.archiveName])
}
dockerRun {
name "my-container-name"
image "my-docker-registry:5043/my-image-name:${jar.version}"
ports '8080:8080'
env 'JAVA_OPTS': '-Xms128m -Xmx512m -server', 'SPRING_PROFILES_ACTIVE': 'my-spring-prifle'
network 'my-docker-network'
daemonize true
}
Dockerfile
FROM openjdk:8-jre-alpine
ARG JAR_FILE
COPY ${JAR_FILE} /app.jar
ENTRYPOINT exec java $JAVA_OPTS -jar /app.jar
EXPOSE 8080
Operaciones
Construir la imagen de docker
./gradlew clean docker dockerTag
REPOSITORY TAG IMAGE ID CREATED SIZE my-docker-registry:5043/my-image-name latest 457475efc55d 9 minutes ago 145MB my-docker-registry:5043/my-image-name 1.0.0 457475efc55d 9 minutes ago 145MB
Construir y ejecutar el contenedor
./gradlew dockerRun
Ver el estado del contenedor
./gradlew dockerRunStatus
> Task :dockerRunStatus Docker container 'my-container-name' is STOPPED.
Ver el estado de la red
./gradlew dockerNetworkModeStatus
> Task :dockerNetworkModeStatus Docker container 'my-container-name' is configured to run with 'my-docker-network' network mode.
Detener el contenedor
./gradlew dockerStop
Eliminar el contenedor
dockerRemoveContainer
Push imagen
./gradlew dockerPush