docker安装nginx

# 搜索镜像
https://hub.docker.com/
docker search nginx

# 下载镜像
[root@localhost docker]# docker image list
REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
centos       latest    5d0da3dc9764   11 days ago   231MB
[root@localhost docker]# docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
07aded7c29c6: Pull complete 
bbe0b7acc89c: Pull complete 
44ac32b0bba8: Pull complete 
91d6e3e593db: Pull complete 
8700267f2376: Pull complete 
4ce73aa6e9b0: Pull complete 
Digest: sha256:06e4235e95299b1d6d595c5ef4c41a9b12641f6683136c18394b858967cd1506
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest
[root@localhost docker]# docker image list
REPOSITORY   TAG       IMAGE ID       CREATED                  SIZE
nginx        latest    f8f4ffc8092c   Less than a second ago   133MB
centos       latest    5d0da3dc9764   11 days ago              231MB
[root@localhost docker]# 
# 启动创建并启动容器
# -d 后台运行
# --name 给容器命名
# -p 映射到宿主机的指定端口:容器内部的服务端口
[root@localhost docker]# docker run -d --name nginx01 -p 3344:80 nginx
a4bc5fe767b8352e82bea52d1253f76f616e1dd13b134c94e6f9620e5511fd3d
[root@localhost docker]# docker ps
CONTAINER ID   IMAGE     COMMAND                  CREATED             STATUS             PORTS                                   NAMES
a4bc5fe767b8   nginx     "/docker-entrypoint.…"   2 seconds ago       Up 1 second        0.0.0.0:3344->80/tcp, :::3344->80/tcp   nginx01
2fecd2a6328e   centos    "/bin/bash -c 'while…"   About an hour ago   Up About an hour                                           busy_chatelet
# 测试容器的服务运行情况
[root@localhost docker]# curl localhost:3344
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
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>

在这里插入图片描述

进入容器查看nginx的配置

# 进入容器查看nginx的配置
[root@localhost docker]# docker ps
CONTAINER ID   IMAGE     COMMAND                  CREATED             STATUS             PORTS                                   NAMES
a4bc5fe767b8   nginx     "/docker-entrypoint.…"   9 minutes ago       Up 9 minutes       0.0.0.0:3344->80/tcp, :::3344->80/tcp   nginx01
2fecd2a6328e   centos    "/bin/bash -c 'while…"   About an hour ago   Up About an hour                                           busy_chatelet
[root@localhost docker]# docker exec -it a4bc5fe767b8 /bin/bash
root@a4bc5fe767b8:/# which nginx
/usr/sbin/nginx
root@a4bc5fe767b8:/# whereis nginx
nginx: /usr/sbin/nginx /usr/lib/nginx /etc/nginx /usr/share/nginx
root@a4bc5fe767b8:/# cd /etc/nginx
root@a4bc5fe767b8:/etc/nginx# ls
conf.d	fastcgi_params	mime.types  modules  nginx.conf  scgi_params  uwsgi_params
root@a4bc5fe767b8:/etc/nginx# cat nginx.conf

user  nginx;
worker_processes  auto;

error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;
}