root@docker0 \~\]# systemctl daemon-reload
\[root@docker0 \~\]# systemctl start docker
4.拉取nginx镜像
\[root@docker0 \~\]# docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
e4fff0779e6d: Pull complete
2a0cb278fd9f: Pull complete
7045d6c32ae2: Pull complete
03de31afb035: Pull complete
0f17be8dcff2: Pull complete
14b7e5e8f394: Pull complete
23fa5a7b99a6: Pull complete
Digest: sha256:447a8665cc1dab95b1ca778e162215839ccbb9189104c79d7ec3a81e14577add
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest
查看镜像
\[root@docker0 \~\]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 5ef79149e0ec 2 weeks ago 188MB
5.创建nginx容器
\[root@docker0 \~\]# docker run -itd -p80:80 nginx:latest
c9fa7a0cbb13a3dd627b94c28f76ce1802fa391652832ad875782c8d073e6ff9
\[root@docker0 \~\]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c9fa7a0cbb13 nginx:latest "/docker-entrypoint...." 17 seconds ago Up 15 seconds 0.0.0.0:80-\>80/tcp, :::80-\>80/tcp affectionate_vaughan
\[root@docker0 \~\]# curl localhost
\
\
\
\Welcome to nginx!\
\
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
\
\
\
\Welcome to nginx!\
\If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.\
\For online documentation and support please refer to
\nginx.org\.\
Commercial support is available at
\nginx.com\.\
\\Thank you for using nginx.\\
\
\
在容器启动之后，nginx服务酒店发布了
6.
\[root@docker0 \~\]# docker exec -it c9fa ls /usr/share/nginx/html
50x.html index.htm
7.创建一个目录，将前端和后端的所以资料放在这里
\[root@docker0 \~\]# mkdir project_exam_system/
\[root@docker0 \~\]# cd project_exam_system/
\[root@docker0 project_exam_system\]# mkdir web
\[root@docker0 project_exam_system\]# rz -E
rz waiting to receive.
\[root@docker0 project_exam_system\]# ls web/
dist
\[root@docker0 project_exam_system\]# ls web/dist/
assets favicon.ico index.html
8.创建容器，映射端口，挂载目录
删除容器c9fa
\[root@docker0 project_exam_system\]# docker stop c9fa
c9fa
\[root@docker0 project_exam_system\]# docker rm c9fa
c9fa
创建新容器
\[root@docker0 project_exam_system\]# docker run -itd -p80:80 -v /root/project_exam_system/web/dist/:/usr/share/nginx/html/ nginx:latest
b46e530213e011ca30c84549aabc42db21cef193ef8d426ed1c2a6f5fe818d44
9.刷新浏览器
后端部署
1.拉取centos镜像
\[root@docker0 project_exam_system\]# docker pull centos
Using default tag: latest
latest: Pulling from library/centos
a1d0c7532777: Pull complete
Digest: sha256:a27fd8080b517143cbbbab9dfb7c8571c40d67d534bbdee55bd6c473f432b177
Status: Downloaded newer image for centos:latest
docker.io/library/centos:latest
\[root@docker0 project_exam_system\]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 5ef79149e0ec 2 weeks ago 188MB
centos latest 5d0da3dc9764 2 years ago 231MB
2.创建容器启动镜像
\[root@docker0 project_exam_system\]# docker run -it centos:latest /bin/bash
\[root@73e60487e331 /\]# ls
bin etc lib lost+found mnt proc run srv tmp var
dev home lib64 media opt root sbin sys usr
\[root@73e60487e331 /\]# \[root@docker0 project_exam_system\]#
3.jdk17的版本、项目资源war
\[root@docker0 \~\]# ls
anaconda-ks.cfg jdk-17_linux-x64_bin.tar.gz
application.properties project_exam_system
docker.sh Project_ExamSystem-V1.0.0.war
initserver.sh
4.将外部资源复制到容器内
\[root@docker0 \~\]# docker cp --help
Usage: docker cp \[OPTIONS\] CONTAINER:SRC_PATH DEST_PATH\|-
docker cp \[OPTIONS\] SRC_PATH\|- CONTAINER:DEST_PATH
Copy files/folders between a container and the local filesystem
Use '-' as the source to read a tar archive from stdin
and extract it to a directory destination in a container.
Use '-' as the destination to stream a tar archive of a
container source to stdout.
Aliases:
docker container cp, docker cp
Options:
-a, --archive Archive mode (copy all uid/gid information)
-L, --follow-link Always follow symbol link in SRC_PATH
-q, --quiet Suppress progress output during copy.
Progress output is automatically suppressed
if no terminal is attached
\[root@docker0 \~\]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
73e60487e331 centos:latest "/bin/bash" 2 minutes ago Up 2 minutes elastic_robinson
b46e530213e0 nginx:latest "/docker-entrypoint...." 33 minutes ago Up 33 minutes 0.0.0.0:80-\>80/tcp, :::80-\>80/tcp sleepy_vaughan
\[root@docker0 \~\]# docker cp jdk-17_linux-x64_bin.tar.gz 73e6:/
Successfully copied 183MB to 73e6:/
\[root@docker0 \~\]# docker cp application.properties 73e6:/
Successfully copied 4.1kB to 73e6:/
\[root@docker0 \~\]# docker cp Project_ExamSystem-V1.0.0.war 73e6:/
Successfully copied 41MB to 73e6:/
5.连接centos镜像的容器
对已传到容器的文件进行部署
\[root@docker0 \~\]# docker attach 73e6
\[root@73e60487e331 /\]# ls
Project_ExamSystem-V1.0.0.war jdk-17_linux-x64_bin.tar.gz opt sys
application.properties lib proc tmp
bin lib64 root usr
dev lost+found run var
etc media sbin
home mnt srv
6.创建解压目录
\[root@73e60487e331 /\]# mkdir /usr/local/jdk
7.解压jdk17到指定目录
\[root@73e60487e331 /\]# tar -zxvf jdk-17_linux-x64_bin.tar.gz -C /usr/local/jdk/ --strip-components=1
\[root@73e60487e331 /\]# ls /usr/local/jdk/
LICENSE README bin conf include jmods legal lib man release
8.修改application.properties
设置了java程序连接数据库的操作
\[root@73e60487e331 /\]# vi application.properties
9.启动java
\[root@73e60487e331 /\]# /usr/local/jdk/bin/java -jar Project_ExamSystem-V1.0.0.war
10.访问服务
Ctrl+p+q退出访问，出现以下情况表示正常启动，但是没有给数据和账号。
\[root@docker0 \~\]# curl 172.17.0.3:8080
{"code":20002,"msg":"账号不存在或密码错误"}\[root@docker0 \~\]#
\[root@docker0 \~\]# docker commit b885 java:v0
sha256:c4a7ac6df09c0e5ed30399b145f53a8dcbda6cc32690a84c06527f6e619e6885
\[root@docker0 \~\]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
java v0 c4a7ac6df09c 22 seconds ago 774MB
nginx latest 5ef79149e0ec 2 weeks ago 188MB
centos latest 5d0da3dc9764 2 years ago 231MB
\[root@docker0 \~\]# docker commit b885 java:v0
sha256:c4a7ac6df09c0e5ed30399b145f53a8dcbda6cc32690a84c06527f6e619e6885
\[root@docker0 \~\]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
java v0 c4a7ac6df09c 22 seconds ago 774MB
nginx latest 5ef79149e0ec 2 weeks ago 188MB
centos latest 5d0da3dc9764 2 years ago 231MB
\[root@docker0 \~\]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b8854febcad4 centos:latest "/bin/bash" 8 minutes ago Up 8 minutes inspiring_kare
b46e530213e0 nginx:latest "/docker-entrypoint...." About an hour ago Up About an hour 0.0.0.0:80-\>80/tcp, :::80-\>80/tcp sleepy_vaughan
\[root@docker0 \~\]# docker stop b885
b885
\[root@docker0 \~\]# docker rm b885
b885
\[root@docker0 \~\]# docker run -itd -p8080:8080 java:v0 /usr/local/jdk/bin/java -jar Project_ExamSystem-V1.0.0.war
7daf96b493fec05e23262a04003b70ea818ef6abfbdaa753e1bce911b4ad9b73
数据持久化
1.拉取MySQL镜像
\[root@docker0 \~\]# docker pull mysql:5.7.44
5.7.44: Pulling from library/mysql
20e4dcae4c69: Pull complete
1c56c3d4ce74: Pull complete
e9f03a1c24ce: Pull complete
68c3898c2015: Pull complete
6b95a940e7b6: Pull complete
90986bb8de6e: Pull complete
ae71319cb779: Pull complete
ffc89e9dfd88: Pull complete
43d05e938198: Pull complete
064b2d298fba: Pull complete
df9a4d85569b: Pull complete
Digest: sha256:4bc6bc963e6d8443453676cae56536f4b8156d78bae03c0145cbe47c2aad73bb
Status: Downloaded newer image for mysql:5.7.44
docker.io/library/mysql:5.7.44
\[root@docker0 \~\]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
java v0 c4a7ac6df09c 3 hours ago 774MB
nginx latest 5ef79149e0ec 2 weeks ago 188MB
mysql 5.7.44 5107333e08a8 8 months ago 501MB
centos latest 5d0da3dc9764 2 years ago 231MB
2.创建MySQL容器
\[root@docker0 \~\]# docker run -itd -e MYSQL_ROOT_PASSWORD=root -p 3306:3306 mysql:5.7.44
a63c59858426f275d608225ce8a297f559e2fca3ff76c2a061eec616db672d13
\[root@docker0 \~\]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a63c59858426 mysql:5.7.44 "docker-entrypoint.s..." 5 seconds ago Up 4 seconds 0.0.0.0:3306-\>3306/tcp, :::3306-\>3306/tcp, 33060/tcp hopeful_bohr
d85664513d17 java:v0 "/usr/local/jdk/bin/..." 9 minutes ago Up 7 minutes 0.0.0.0:8080-\>8080/tcp, :::8080-\>8080/tcp sweet_herschel
3.传mysql
\[root@docker0 \~\]# docker cp a63c:/var/lib/mysql project_exam_system/
Successfully copied 220MB to /root/project_exam_system/
4.mysql里面写数据
将sql文件上传到MySQL容器中
\[root@docker0 project_exam_system\]# mkdir mysql
\[root@docker0 project_exam_system\]# ls
mysql web
\[root@docker0 project_exam_system\]# ls mysql/
project_exam_system.sql
\[root@docker0 project_exam_system\]# head -10 mysql/project_exam_system.sql
create database if not exists project_exam_system charset utf8mb4;
use project_exam_system;
/\*
Navicat MySQL Data Transfer
Source Server : MySQL84
Source Server Type : MySQL
Source Server Version : 80400
Source Host : localhost:3308
Source Schema : project_exam_system
\[root@docker0 project_exam_system\]# cd
\[root@docker0 \~\]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a63c59858426 mysql:5.7.44 "docker-entrypoint.s..." 9 minutes ago Up 9 minutes 0.0.0.0:3306-\>3306/tcp, :::3306-\>3306/tcp, 33060/tcp hopeful_bohr
d85664513d17 java:v0 "/usr/local/jdk/bin/..." 18 minutes ago Up 17 minutes 0.0.0.0:8080-\>8080/tcp, :::8080-\>8080/tcp sweet_herschel
\[root@docker0 \~\]# docker cp project_exam_system/mysql/project_exam_system.sql a63c:/
Successfully copied 11MB to a63c:/
5.登录MySQL
使用外部数据库连接容器的MySQL，然后运行sql文件
\[root@docker0 \~\]# docker exec -it a63c mysql -uroot -proot
mysql: \[Warning\] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \\g.
Your MySQL connection id is 8
Server version: 5.7.44 MySQL Community Server (GPL)
Copyright (c) 2000, 2023, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.
mysql\> show databases;
+---------------------+
\| Database \|
+---------------------+
\| information_schema \|
\| mysql \|
\| performance_schema \|
\| project_exam_system \|
\| sys \|
+---------------------+
5 rows in set (0.00 sec)
mysql\>
6.测试
java的Dockerfile内容：
FROM centos:latest
ADD application.properties /application.properties
ADD Project_ExamSystem-V1.0.0.war /Project_ExamSystem-V1.0.0.war
WORKDIR /
EXPOSE 8080
RUN mkdir /usr/local/jdk
CMD \[ "/usr/local/jdk/bin/java -jar Project_ExamSystem-V1.0.0.war"
