Github操作到maven构建,然后是Docker构建推送
我是GitHub操作的新手。我有下面的DockerFileGithub操作到maven构建,然后是Docker构建推送,docker,github-actions,Docker,Github Actions,我是GitHub操作的新手。我有下面的DockerFile FROM openjdk:8-jdk-alpine RUN addgroup -S spring && adduser -S spring -G spring USER spring:spring ARG JAR_FILE=target/*.jar COPY ${JAR_FILE} app.jar ENTRYPOINT ["java","-jar","/app.jar&q
FROM openjdk:8-jdk-alpine
RUN addgroup -S spring && adduser -S spring -G spring
USER spring:spring
ARG JAR_FILE=target/*.jar
COPY ${JAR_FILE} app.jar
ENTRYPOINT ["java","-jar","/app.jar"]
#
# Build stage
#
FROM maven:3.6.0-jdk-11-slim AS build
COPY src /home/app/src
COPY pom.xml /home/app
RUN mvn -f /home/app/pom.xml clean package
#
# Package stage
#
FROM openjdk:11-jre-slim
COPY --from=build /home/app/target/*.jar /usr/local/lib/app.jar
EXPOSE 8080
ENTRYPOINT ["java","-jar","/usr/local/lib/app.jar"]
我正在尝试使用GitHub操作,下面是我的操作代码
name: Publish Docker
on: [push]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
- name: Publish to Registry
uses: elgohr/Publish-Docker-Github-Action@master
with:
name: myDocker/repository
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
生成失败,出现以下错误
Step 5/6 : COPY ${JAR_FILE} app.jar
COPY failed: no source files were specified
我假设它无法获取目标文件夹下的jar文件。我应该在docker构建之前为Maven构建添加另一个步骤吗?确保使用Jar生成目标文件夹
我更新了我的操作如下,但仍然存在相同的错误
name: Build and push Docker images
on:
push:
branches: [ master ]
pull_request:
branches: [ master ]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Set up JDK 1.8
uses: actions/setup-java@v1
with:
java-version: 1.8
- name: Build with Maven
run: mvn -B package --file pom.xml
- uses: actions/checkout@master
- name: Publish to Registry
uses: elgohr/Publish-Docker-Github-Action@master
with:
name: vinodjayachandran/spring-boot-docker
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
请参阅我在git上的回购,以了解确切代码:一切正常,但您必须更改
FROM openjdk:8-jdk-alpine
RUN addgroup -S spring && adduser -S spring -G spring
USER spring:spring
ENV JAR_FILE=*.jar
COPY ${JAR_FILE} app.jar
ENTRYPOINT ["java","-jar","/app.jar"]
之后你会看到像下面这样的工作
docker build -t deneme:latest .
Sending build context to Docker daemon 2.56kB
Step 1/6 : FROM openjdk:8-jdk-alpine
---> a3562aa0b991
Step 2/6 : RUN addgroup -S spring && adduser -S spring -G spring
---> Using cache
---> ae235df4b0a2
Step 3/6 : USER spring:spring
---> Using cache
---> 9ac909bf6b8c
Step 4/6 : ENV JAR_FILE=target/*.jar
---> Running in 7c8948d44b63
Removing intermediate container 7c8948d44b63
---> a26f368cfdba
Step 5/6 : COPY ${JAR_FILE} app.jar
COPY failed: no source files were specified
root@servet:~/denem# ls
app.jar Dockerfile
root@servet:~/denem# nano Dockerfile
root@servet:~/denem# docker build -t deneme:latest .
Sending build context to Docker daemon 2.56kB
Step 1/6 : FROM openjdk:8-jdk-alpine
---> a3562aa0b991
Step 2/6 : RUN addgroup -S spring && adduser -S spring -G spring
---> Using cache
---> ae235df4b0a2
Step 3/6 : USER spring:spring
---> Using cache
---> 9ac909bf6b8c
Step 4/6 : ENV JAR_FILE=*.jar
---> Running in a78dfae771a0
Removing intermediate container a78dfae771a0
---> bdd4cab1bd9c
Step 5/6 : COPY ${JAR_FILE} app.jar
---> 9bec1d061268
Step 6/6 : ENTRYPOINT ["java","-jar","/app.jar"]
---> Running in c23f2ddb682b
Removing intermediate container c23f2ddb682b
---> e24407464a2b
Successfully built e24407464a2b
Successfully tagged deneme:latest
解决方案是采用多阶段docker构建。基本上是从DockerFile而不是GitHub操作进行maven构建 我的最后一份文件
FROM openjdk:8-jdk-alpine
RUN addgroup -S spring && adduser -S spring -G spring
USER spring:spring
ARG JAR_FILE=target/*.jar
COPY ${JAR_FILE} app.jar
ENTRYPOINT ["java","-jar","/app.jar"]
#
# Build stage
#
FROM maven:3.6.0-jdk-11-slim AS build
COPY src /home/app/src
COPY pom.xml /home/app
RUN mvn -f /home/app/pom.xml clean package
#
# Package stage
#
FROM openjdk:11-jre-slim
COPY --from=build /home/app/target/*.jar /usr/local/lib/app.jar
EXPOSE 8080
ENTRYPOINT ["java","-jar","/usr/local/lib/app.jar"]
GitHub行动:
name: Build and push Docker images
on:
push:
branches: [ master ]
pull_request:
branches: [ master ]
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
- name: Publish to Registry
uses: elgohr/Publish-Docker-Github-Action@master
with:
name: vinodjayachandran/spring-boot-docker
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
我将ARG JAR_FILE=target/*.JAR替换为ENV JAR_FILE=*.JAR,但仍然得到相同的错误。我们需要github操作中的maven构建步骤吗?参考我的Github repo bu我没有看到任何jar文件,如果您可以共享完整的项目,我可以解决错误jar文件不作为repo的一部分存在。当Maven构建成功时,将在目标文件夹中创建jar。不可能先进行maven构建,然后在成功构建时使用jar来进行docker推送吗?