根据哔哩哔哩视频【docker入门2】实战~如何组织一个多容器项目docker-compose进行学习
# 拉取nginx镜像
docker pull nginx
# 运行nginx容器
docker run -d -p80:80 --name mynginx nginx
#容器ID
87702c4c192061036d731df8f533a82f20b972284b650a850adec3aba9580342
# 查看运行中的容器
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
87702c4c1920 nginx "nginx -g ‘daemon of…" 24 seconds ago Up 23 seconds 0.0.0.0:80->80/tcp mynginx
# 在容器中进行交互操作
docker exec -it mynginx /bin/bash
# 查看容器IP地址
cat /etc/hosts
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
172.17.0.2 87702c4c1920
# 拉取alpine镜像
docker pull alpine
# 安装curl
apk add curl
# curl nginx容器
curl 172.17.0.2
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
body {
width: 35em;
margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif;
}
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
#后台运行alpine,并将mynginx容器绑定域名myng
docker run -dit --link mynginx:myng alpine
825d4b3d221238bda2f29411fcae6d72fafb97d5002986660aa8c3b7cc501d99
# 安装curl
apk add curl
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/community/x86_64/APKINDEX.tar.gz
(1/4) Installing ca-certificates (20191127-r1)
(2/4) Installing nghttp2-libs (1.40.0-r0)
(3/4) Installing libcurl (7.67.0-r0)
(4/4) Installing curl (7.67.0-r0)
Executing busybox-1.31.1-r9.trigger
Executing ca-certificates-20191127-r1.trigger
OK: 7 MiB in 18 packages
# curl nginx镜像
curl myng
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
body {
width: 35em;
margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif;
}
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
# 原理，增加了172.17.0.2 myng d2d78de2ad2f
cat /etc/hosts
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
172.17.0.2 myng d2d78de2ad2f
172.17.0.3 9688a42fec94
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>hello world nginx</title>
</head>
<body>
<h1>hello world nginx!!!</h1>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<?php
echo "Hello World PHP!!!";
?>
</body>
</html>
<?php
$servername = "mysql";
$username = "root";
$password = "123456";
// 创建连接
$conn = new mysqli($servername, $username, $password);
// 检测连接
if ($conn->connect_error) {
die("连接失败: " . $conn->connect_error);
}
echo "connected success !!!!!";
?>
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main ‘$remote_addr - $remote_user [$time_local] "$request" ‘
# ‘$status $body_bytes_sent "$http_referer" ‘
# ‘"$http_user_agent" "$http_x_forwarded_for"‘;
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root /usr/share/nginx/html;
index index.html index.htm;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
# location ~ \.php$ {
# proxy_pass http://127.0.0.1;
# }
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
fastcgi_pass php:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /var/www/html/$fastcgi_script_name;
include fastcgi_params;
}
# deny access to .htaccess files, if Apache‘s document root
# concurs with nginx‘s one
#
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443 ssl;
# server_name localhost;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;
# location / {
# root html;
# index index.html index.htm;
# }
#}
}
version: ‘3‘
services:
nginx:
image: nginx:alpine
ports:
- 80:80
volumes:
- /Users/doubledumbao/docker-demo/compose-demo/html:/usr/share/nginx/html
- /Users/doubledumbao/docker-demo/compose-demo/conf/nginx.conf:/etc/nginx/nginx.conf
php:
image: devilbox/php-fpm:5.2-work-0.89
volumes:
- /Users/doubledumbao/docker-demo/compose-demo/html:/var/www/html
mysql:
image: mysql:5.6
environment:
- MYSQL_ROOT_PASSWORD=123456
docker-compose up
# 查看nginx配置效果
http://localhost
# 查看php配置效果
http://localhost/test.php
# 查看mysql配置效果
http://localhost/mysql.php
原文：https://www.cnblogs.com/zhaoran8775/p/12852915.html