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dockerfile

Jenkins 模塊？post steps

一個service由多個pod組成，對外提供服務；副本是指一個pod的多個實例

apiVersion: v1

kind: Service （定義多個pod組成的服務）

...

spec:

????...

????selector:

????????app: maven（只要是maven app的pod，組成）

---

apiVersion: extensions/v1beta1

kind: Deployment （定義pod的部署信息）

...

spec:

????...

????template:

????????metadata:

????????????labels:

????????????????app: maven

Kubectl create -f test.yaml：讓k8s創(chuàng)建應用，根據(jù)test.yaml這個文件。

docker：容器，集裝箱

kubernetes：對容器的操作，復制、管理、自動化部署...

實驗環(huán)境

spring boot 項目地址

docker是什么

docker的特定

三生三世十里桃花

Docker基本概念

Docker的架構(gòu)

Docker的特點

容器對比虛擬機，以及容器的特點：輕量級、可移植、資源占用少

apt-get update

apt-get install -y docker.io

1. 阿里云加速器配置（https://cr.console.aliyun.com/）
   

2. sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-'EOF' { ?"registry-mirrors": ["https://xxxx.mirror.aliyuncs.com"] } EOF sudo systemctl daemon-reload sudo systemctl restart docker

3. docker pull mysql:5.6

4. docker run -p 3306:3306 --name mymysql -v /home/mysql/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql:5.6

5. 鏡像[image]、容器【container】、倉庫【registry】

6. 倉庫分公有和私有的兩種。Docker hub是默認的倉庫【https://hub.docker.com/search?q=mysql&type=image】。

7. 版本查看：docker version

8. 鏡像拉?。?docker pull image-name

9. 鏡像查看：docker images docker image ls

10. 鏡像刪除

    1. docker pull nginx

    2. docker images

    3. docker rmi nginx

11. 容器運行、端口映射、掛存儲卷

    1. docker?run?-p?3306:3306?--name?mymysql?-v?/home/mysql/data:/var/lib/mysql?-e?MYSQL_ROOT_PASSWORD=123456?-d?mysql:5.

    2. #?docker?run?即運行容器
       #?-p?3306:3306?宿主機端口端口：docker容器中端口進行映射
       #?--name?mymysql?容器名稱?
       #?-v?/home/mysql/data:/var/lib/mysql?宿主機的目錄：容器中數(shù)據(jù)存儲目錄進行映射
       #?-e?MYSQL_ROOT_PASSWORD=123456?設置root用戶名123456，需要哪些環(huán)境變量？去dockerhub

12. 進入容器: docker exec -it container-id /bin/bash

13. 查看容器日志 :

    1. 進入容器后，查看日志

    2. docker logs -f container-id?
       

14. 查詢?nèi)萜?: 正在運行的容器 docker ps

    1. 所有的容器 docker ps -a?
       

15. 設置環(huán)境變量

16. 容器停止: docker stop??container-id?

17. 容器刪除: docker rm??container-id?

18. 倉庫登錄：https://cr.console.aliyun.com/cn-hangzhou/instance/credentials

    1. sudo?docker?login?--username=葉2019dec?registry.cn-hangzhou.aliyuncs.com

19. 鏡像的構(gòu)建：?

????docker build -t aaa:1.0? .

????docker build -t aaa:1.0 -f /root/Dockerfile

20. 鏡像打tag

21. 鏡像推送：

1、配置SSH

sudo?passwd?root

sudo?gedit?/etc/ssh/ssh_config

#?PermitRootLogin?yes

systemctl?restart?sshd

sudo?apt-get?update

sudo?apt-get?install?ssh

sudo?gedit?/etc/ssh/sshd_config

#?PermitRootLogin?yes

systemctl?restart?sshd

ip?a

Microsoft Windows [版本 10.0.19041.746]

(c) 2020 Microsoft Corporation. 保留所有權(quán)利。

C:\Users\yerenyun>ssh root@192.168.123.133

The authenticity of host '192.168.123.133 (192.168.123.133)' can't be established.

ECDSA key fingerprint is SHA256:KaqhMqZ7O0hPgTg7eR9aM5nc1gichGRvge/tF7VlGqM.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added '192.168.123.133' (ECDSA) to the list of known hosts.

root@192.168.123.133's password:

Welcome to Ubuntu 20.04.1 LTS (GNU/Linux 5.8.0-38-generic x86_64)

?* Documentation:? https://help.ubuntu.com

?* Management:? ? ?https://landscape.canonical.com

?* Support:? ? ? ? https://ubuntu.com/advantage

345 updates can be installed immediately.

140 of these updates are security updates.

To see these additional updates run: apt list --upgradable

Your Hardware Enablement Stack (HWE) is supported until April 2025.

The programs included with the Ubuntu system are free software;

the exact distribution terms for each program are described in the

individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by

applicable law.

root@ubuntu:~#

# 關(guān)閉防火墻

ufw disable

root@ubuntu:~#?ufw?disable
Firewall?stopped?and?disabled?on?system?startup
root@ubuntu:~#