centosdocker安装教程（centos下docker安装及springboot远程发布docker的方法）

java -version
rpm -qa | grep java
yum -y remove  [上面查出来的内容，多个用空格分隔]

mkdir /usr/java
cd /usr/java
tar -zxvf jdk-8u291-linux-i586.tar.gz

vim /etc/profile

export JAVA_HOME=/usr/java/jdk1.8.0_291
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

source  /etc/profile

java -version

uname -r

yum update -y

cd /etc/yum.repos.d/
wget "http://mirrors.aliyun.com/repo/Centos-7.repo"
mv CentOS-Base.repo CentOS-Base.repo.bak
mv Centos-7.repo CentOS-Base.repo

yum clean all
yum makecache
yum update

yum install -y docker-ce

systemctl start docker
docker info

systemctl enable docker

vim /usr/lib/systemd/system/docker.service

ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock

service docker restart

systemctl daemon-reload

# 基于哪个镜像
FROM java:8
# 将本地文件夹挂载到当前容器
VOLUME /tmp
# 拷贝文件到容器，swaggertest-0.0.1-SNAPSHOT.jar这里是maven打包后的名字
ADD swaggertest-0.0.1-SNAPSHOT.jar swaggertest.jar
RUN bash -c 'touch /swaggertest.jar'
# 配置容器启动后执行的命令
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/swaggertest.jar"]

EXPOSE 8080

<plugin>
                <!-- https://mvnrepository.com/artifact/com.spotify/docker-maven-plugin -->
                    <groupId>com.spotify</groupId>
                    <artifactId>docker-maven-plugin</artifactId>
                    <version>1.2.2</version>
                <configuration>
                    <imageName>swaggertest-service</imageName>
                    <dockerDirectory>src/main/resources/docker</dockerDirectory>
                    <dockerHost>http://192.168.2.200:2375</dockerHost>
                    <resources>
                        <resource>
                            <targetPath>/</targetPath>
                            <directory>${project.build.directory}</directory>
                            <include>${project.build.finalName}.jar</include>
                        </resource>
                    </resources>
                </configuration>
            </plugin>

mvn clean package docker:build -DskipTests

docker images

docker run -p 8080:8080 swaggertest-service:latest