- build.gradle setup
buildscript {
...
dependencies {
...
classpath('gradle.plugin.com.palantir.gradle.docker:gradle-docker:0.13.0')
}
}
...
plugins {
id 'com.palantir.docker' version '0.20.1'
}
...
ext {
dockerUser = 'jfreshik'
}
task unpack(type: Copy) {
dependsOn bootJar
from(zipTree(tasks.bootJar.outputs.files.singleFile))
into("build/dependency")
}
docker {
// set docker image name
name "${project.dockerUser}/${bootJar.baseName}"
copySpec.from(tasks.unpack.outputs).into("dependency")
buildArgs(['DEPENDENCY': "dependency"])
}
- build docker image
- command line
$ ./gradlew docker
- IntelliJ IDE
intellij Gradle Tool Window -> Tasks -> docker -> docker
FROM openjdk:8-jdk-alpine
VOLUME /tmp
EXPOSE 8080
ARG DEPENDENCY=target/dependency
COPY ${DEPENDENCY}/BOOT-INF/lib /app/lib
COPY ${DEPENDENCY}/META-INF /app/META-INF
COPY ${DEPENDENCY}/BOOT-INF/classes /app
ENTRYPOINT ["java","-cp","app:app/lib/*","hello.GreetingApplication"]
도커 이미지 실행(docker run jfreshik/greeting-docker) 로컬 포트와 Dockerfile 에 EXPOSE 로 설정한 컨테이너포드 연결 (-p 8080:8080)
$ docker run -p 8080:8080 jfreshik/greeting-docker
도커 실행 시 환경변수 전달 (-e) => spring profile 적용
$ docker run -e "SPRING_PROFILES_ACTIVE=dev" -p 8080:8080 jfreshik/greeting-docker
DockerHub 계정정보 암호화. --add 옵션으로 travis.yml 에 암호토큰(secure: xxxx..) 을 저장
$ travis encrypt DOCKER_PASS="dockerpass" --add
암호화 된 정보를 travis.yml 의 env.global 에 복사
travis.yml
...
sudo: required
services:
- docker
env:
global:
- DOCKER_USER=jfreshik
- secure: 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
- COMMIT=${TRAVIS_COMMIT::8}
after_success:
- echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin
- export IMAGE_NAME=jfreshik/greeting-docker
- echo $IMAGE_NAME
- "./gradlew docker"
- docker tag $IMAGE_NAME $IMAGE_NAME:latest
- docker push $IMAGE_NAME:latest
...
travis cli 를 이용해 암호토큰을 생성할 때 아래와 같은 오류가 나타나면
$ travis encrypt DOCKER_PASS="mydockerpass"
repository not known to https://api.travis-ci.org/: jfreshik/greeting-docker
- travis 에 로그인
$ travis login --pro --auto
- travis-ci.com 과 travis-ci.org 구분
$ travis encrypt --com SOMEVAR="secretvalue"
spring-boot with docker: https://spring.io/guides/gs/spring-boot-docker/
gradle-docker: https://github.com/palantir/gradle-docker
maven-docker: https://github.com/spotify/dockerfile-maven
JAR format: https://ko.wikipedia.org/wiki/JAR_(%ED%8C%8C%EC%9D%BC_%ED%8F%AC%EB%A7%B7)
travis encryption: https://docs.travis-ci.com/user/encryption-keys/
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