Docker实现springboot项目CI/CD持续集成笔记

环境为：Linux—ubuntu

1. 安装完毕docker以及docker-compose
2. 设置阿里镜像：进入该/etc/docker/daemon.json如果没有deamon.json文件就创建一个，文件内容：
{ "registry-mirrors": ["https://legww7jr.mirror.aliyuncs.com"], "insecure-registries": ["192.168.4.134:5000"] }
其中这个地址"insecure-registries": ["192.168.4.134:5000"]是我自己的镜像私服，可以修改掉或者不用。

3.安装gitlab
创建gitlab文件并在其内创建文件叫： docker-compose.yml

version: '3'
services:
  web:
    image: 'store/gitlab/gitlab-ce:11.10.4-ce.0'
    restart: always
    hostname: '192.168.4.134'
    environment:
      TZ: 'Asia/Shanghai'
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://192.168.4.134'
        gitlab_rails['gitlab_shell_ssh_port'] = 2222
        unicorn['port'] = 8888
        nginx['listen_port'] = 80
    ports:
      - '80:80'
      - '8443:443'
      - '2222:22'
    volumes:
      - /usr/local/docker/gitlab/config:/etc/gitlab
      - /usr/local/docker/gitlab/data:/var/opt/gitlab
      - /usr/local/docker/gitlab/logs:/var/log/gitlab  

4、安装自己的私服nexus
创建nexus文件并在其内创建文件叫： docker-compose.yml

version: '3.1'
services:
  nexus:
    restart: always
    image: sonatype/nexus3
    container_name: nexus
    ports:
      - 8081:8081
    volumes:
      - /usr/local/docker/nexus/data:/nexus-data

5、安装自己的镜像仓库服务端和客户端
创建registry文件并在其内创建文件叫： docker-compose.yml

version: '3.1'
services:
  registry:
    image: registry
    restart: always
    container_name: registry
    ports:
      - 5000:5000
    volumes:
      - /usr/local/docker/registry/data:/var/lib/registry

  frontend:
    image: konradkleine/docker-registry-frontend:v2
    ports:
      - 8080:80
    volumes:
      - ./certs/frontend.crt:/etc/apache2/server.crt:ro
      - ./certs/frontend.key:/etc/apache2/server.key:ro
    environment:
      - ENV_DOCKER_REGISTRY_HOST=192.168.4.134
      - ENV_DOCKER_REGISTRY_PORT=5000

6、安装gitlab-runner实现CI/CD自动化

创建runner文件并在其内创建文件叫： docker-compose.yml

version: '3.1'
services:
  gitlab-runner:
    build: environment
    restart: always
    container_name: gitlab-runner
    privileged: true
    volumes:
      - /usr/local/docker/runner/config:/etc/gitlab-runner
      - /var/run/docker.sock:/var/run/docker.sock

在runner文件夹内创建一个文件夹叫：environment
在environment内需要有三个东西：daemon.json 和 Dockerfile 和 jdk-8u212-linux-x64.tar.gz

daemon.json的内容为：

{"registry-mirrors": ["https://legww7jr.mirror.aliyuncs.com/"]}

Dockerfile 的内容为：

FROM gitlab/gitlab-runner
MAINTAINER Lusifer <robin_time@163.com>

# 修改软件源
RUN echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse' > /etc/apt/sources.list && 
    echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse' >> /etc/apt/sources.list && 
    echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse' >> /etc/apt/sources.list && 
    echo 'deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse' >> /etc/apt/sources.list && 
    apt-get update -y && 
    apt-get clean

# 安装 Docker
RUN apt-get -y install apt-transport-https ca-certificates curl software-properties-common && 
    curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | apt-key add - && 
    add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable" && 
    apt-get update -y && 
    apt-get install -y docker-ce
COPY daemon.json /etc/docker/daemon.json

# 安装 Docker Compose
WORKDIR /usr/local/bin
RUN wget https://raw.githubusercontent.com/topsale/resources/master/docker/docker-compose
RUN chmod +x docker-compose

# 安装 Java
RUN mkdir -p /usr/local/java
WORKDIR /usr/local/java
COPY jdk-8u212-linux-x64.tar.gz /usr/local/java
RUN tar -zxvf jdk-8u212-linux-x64.tar.gz && 
    rm -fr jdk-8u212-linux-x64.tar.gz

# 安装 Maven
RUN mkdir -p /usr/local/maven
WORKDIR /usr/local/maven
RUN wget https://raw.githubusercontent.com/topsale/resources/master/maven/apache-maven-3.5.3-bin.tar.gz
# COPY apache-maven-3.5.3-bin.tar.gz /usr/local/maven
RUN tar -zxvf apache-maven-3.5.3-bin.tar.gz && 
    rm -fr apache-maven-3.5.3-bin.tar.gz
# COPY settings.xml /usr/local/maven/apache-maven-3.5.3/conf/settings.xml

# 配置环境变量
ENV JAVA_HOME /usr/local/java/jdk1.8.0_212
ENV MAVEN_HOME /usr/local/maven/apache-maven-3.5.3
ENV PATH $PATH:$JAVA_HOME/bin:$MAVEN_HOME/bin

WORKDIR /

jdk-8u212-linux-x64.tar.gz是JDK8的压缩包上传进来即可；

7、将gitlab上的项目注册到gitlab-runner上：

docker exec -it gitlab-runner gitlab-runner register

8：在项目代码springboot项目根目录下创建文件：.gitlab-ci.yml

stages:
  - build
  - push
  - run
  - clean

build:
  stage: build
  script:
     - /usr/local/maven/apache-maven-3.5.3/bin/mvn clean package
     - cp target/itoken-config-1.0.0-SNAPSHOT.jar docker
     - cd docker
     - docker build -t 192.168.4.134:5000/itoken-config .
push:
  stage: push
  script:
    - docker push 192.168.4.134:5000/itoken-config

run:
  stage: run
  script:
    - cd docker
    - docker-compose down
    - docker-compose up -d

clean:
  stage: clean
  script:
    - docker rmi $(docker images -q -f dangling=true)

9：在项目代码springboot项目根目录下创建文件夹叫 docker

docker文件夹内创建2个文件叫：docker-compose.yml 和 Dockerfile

docker-compose.yml内容：

version: '3.1'
services:
  itoken-comfig:
    restart: always
    image: 192.168.4.134:5000/itoken-config
    container_name: itoken-comfig
    ports:
      - 8888:8888

Dockerfile内容为：

FROM openjdk:8-jre

MAINTAINER robin <robin_time@vip.qq.com>

ENV APP_VERSION 1.0.0-SNAPSHOT

RUN mkdir /app

COPY itoken-config-$APP_VERSION.jar /app/app.jar
ENTRYPOINT ["java", "-Djava.security.egd=file:/dev/./urandom", "-jar", "/app/app.jar"]

EXPOSE 8888

效果图：

知识源于：千峰教育-李卫民老师。
我只是做个笔记方便自己以后回忆。

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