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Docker compose deploy nginx configure SSL

2022-04-29 18:58:41Shuibutian

1 background

With the public cloud 、 The popularity of private and hybrid clouds , Containerization technology is increasingly used by the public ,docker Related applications and deployments are increasingly used in work , This article takes nginx Take the deployment of as an example , If it's just a simple installation nginx, You can refer to 《linux Four under the system nginx Installation method 》, This article is the continuation and expansion of the previous article .

2 Environmental statement

name edition
operating system CentOS Linux release 7.9.2009 (Core)
dockerDocker version 20.10.14
docker-composedocker-compose version 1.25.1

3 Deploy nginx

3.1 preparation

Create folder

mkdir -p /data/nginx/conf.d /data/nginx/logs /data/nginx/letsencrypt /data/site

Create a deployment file

vi /data/nginx/docker-compose.yml

Enter the following information

version: "3"
    image: nginx:1.21.6
    restart: always
    container_name: nginx
      - TZ=Asia/Shanghai
      - "80:80"
      - "443:443"
      - /data/nginx/conf.d:/etc/nginx/conf.d
      - /data/nginx/logs:/var/log/nginx
      - /data/site:/usr/share/nginx/html
      - /data/nginx/letsencrypt:/etc/letsencrypt
      - /data/nginx/nginx.conf:/etc/nginx/nginx.conf
project Catalog explain
Configure folders /data/nginx/conf.d Store in the directory default.conf
The configuration file /data/nginx/nginx.conf Master profile
Log folder /data/nginx/logserrors.log and acess.log
Certificate folder /data/nginx/letscrypt Deposit nginx Of https certificate
Site /data/site Site folder
Deployment file /data/nginx/docker-compose.yml Deployment file

** Be careful :** The certificate needs to be applied for at the domain name purchase website in advance .
After the directory is created , Place the file in the corresponding directory
nginx.conf and default.conf The configuration file 、 Certificate file 、 Deployment file docker-compose.yml、 Site files
nginx Configuration file acquisition method :
nginx.conf and default.conf The file can be used
1、 Pull the mirror image

docker pull nginx:1.21.6 

2、 Running the mirror

docker run -d -p 8080:80 nginx:1.21.6

3、 Look at the container id

docker ps

4、 Into the container

docker exec -it f424fd6f2315 /bin/bash

Be careful : If you are using alpine Version of nginx The command to enter the container is :docker exec -it 33e8474cdd09 /bin/sh

Find in container default.conf and nginx.conf The location of the file

  • /etc/nginx/conf.d/default.conf
  • /etc/nginx/nginx.conf

5、 Exit the container


6、 Copy

docker cp f424fd6f2315:/etc/nginx/conf.d/defaut.conf /data/nginx/donf.d
docker cp f424fd6f2315:/etc/nginx/nginx.conf /data/nginx

Copy complete
7、 Delete container

docker stop f424fd6f2315
docker rm f424fd6f2315

Directory structure
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Issue port or service
centos7.9 The server is issued by default ssh service ,nginx External access is required htttp and https Or its corresponding port 80 and 443 port

firewall-cmd --zone=public --add-port=80/tcp --permanent
firewall-cmd --zone=public --add-port=443/tcp --permanent
firewall-cmd --reload

3.2 Start deployment

Launch deployment

docker-compose up -d

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The input terminal curl IP Insert picture description here

Open the browser and type IP Address check
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Careful readers may have noticed the left side of the browser's address bar “ unsafe ” Words and icons , Next configure SSL Certificate to make the website relatively safer .

4 To configure SSL certificate

To configure Nginx in “/data/nginx/conf.d/” In the catalog “default.conf” file .
Add the following

vi /data/nginx/conf.d/default.conf
server {
    # SSL  Access port 
    listen      443 ssl;
    #  Bind certificate domain name 
    #  Certificate file 
    ssl_certificate     /etc/letsencrypt/jjyard.xyz_bundle.crt;
    #  Private key file 
    ssl_certificate_key /etc/letsencrypt/;
    ssl_session_timeout 5m;
    #  Configuration protocol 
    ssl_protocols       TLSv1.2 TLSv1.3;
    # Please configure according to the following package , Configure encryption suite , The writing follows  openssl  standard .
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:HIGH:!aNULL:!MD5:!RC4:!DHE; 
    ssl_prefer_server_ciphers on;
    location / {
        root    /usr/share/nginx/html;
        index   index.html index.htm;

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Look at the run container id

docker ps 

Use the container you see id Into the container
Into the container

docker exec -it 33e8474cdd09 /bin/bash

Be careful : If you are using alpine Version of nginx The order is :docker exec -it 33e8474cdd09 /bin/sh
verification nginx The configuration file
nginx -t
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Restart container

docker restart 33e8474cdd09

Input :
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Enter the original... In the browser
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At present, it is in support of 80 and 443 Port of , Can be 80 The port is forced to jump to 443 Port usage https Agreement to access
modify /data/nginx/conf.d/default.conf
Add the following information

# Fill in the domain name of the binding certificate 
# hold http Domain name request to be converted to https
return 301 https://$host$request_uri; 

Restart container

docker restart 33e8474cdd09

Browser input
The browser automatically jumps
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5 Reference resources

Nginx The server SSL Certificate installation and deployment

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