nginx的docker容器化部署

1、安装docker环境

# 安装yum工具
yum -y install yum-utils
# 安装docker官方yum源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# 安装docker及docker-compose服务
yum -y install docker-ce docker-compose
# 设置docker服务开机自启
systemctl enable docker
# 启动docker服务
systemctl start docker
# 查看docker服务启动状态
systemctl enable docker
# 出现以下信息说明docker服务启动成功（running）
● docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2022-04-25 16:13:33 CST; 36s ago
     Docs: https://docs.docker.com
 Main PID: 7251 (dockerd)
    Tasks: 7
   Memory: 32.0M
   CGroup: /system.slice/docker.service
           └─7251 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Apr 25 16:13:30 bogon dockerd[7251]: time="2022-04-25T16:13:30.475298218+08:00" level=info msg="ccResolverWrappe...e=grpc
Apr 25 16:13:30 bogon dockerd[7251]: time="2022-04-25T16:13:30.475317990+08:00" level=info msg="ClientConn switc...e=grpc
Apr 25 16:13:30 bogon dockerd[7251]: time="2022-04-25T16:13:30.544388360+08:00" level=info msg="Loading containe...tart."
Apr 25 16:13:32 bogon dockerd[7251]: time="2022-04-25T16:13:32.758458101+08:00" level=info msg="Default bridge (...dress"
Apr 25 16:13:33 bogon dockerd[7251]: time="2022-04-25T16:13:33.103100128+08:00" level=info msg="Firewalld: inter...rning"
Apr 25 16:13:33 bogon dockerd[7251]: time="2022-04-25T16:13:33.381699279+08:00" level=info msg="Loading containe...done."
Apr 25 16:13:33 bogon dockerd[7251]: time="2022-04-25T16:13:33.444238431+08:00" level=info msg="Docker daemon" c....10.14
Apr 25 16:13:33 bogon dockerd[7251]: time="2022-04-25T16:13:33.446875064+08:00" level=info msg="Daemon has compl...ation"
Apr 25 16:13:33 bogon systemd[1]: Started Docker Application Container Engine.
Apr 25 16:13:33 bogon dockerd[7251]: time="2022-04-25T16:13:33.541653668+08:00" level=info msg="API listen on /v....sock"
Hint: Some lines were ellipsized, use -l to show in full.

2、Dockerfile构建nginx

# 编写Dockerfile文件
vim Dockerfile

FROM centos:centos7
MAINTAINER Nginx Dockerfile
RUN yum -y install luajit gcc prce-devel openssl-devel zlib-devel libxm12-devel libxslt-devel gd-devel GeoIP-devel jemalloc-devel libatomic_ops-devel perl-devel perl-ExtUtils-Embed luajit-devel
RUN cd /tmp && wget https://openresty.org/download/openresty-1.15.8.2.tar.gz && 
    tar zxmf openresty-1.15.8.2.tar.gz && cd openresty-1.15.8.2 && 
    ./configure 
        --with-threads 
        --with-file-aio 
        --with-http_ssl_module 
        --with-http_v2_module 
        --with-http_realip_module 
        --with-http_addition_module 
        --with-http_xslt_module=dynamic 
        --with-http_image_filter_module=dynamic 
        --with-http_geoip_module=dynamic 
        --with-http_sub_module 
        --with-http_dav_module 
        --with-http_flv_module 
        --with-http_mp4_module 
        --with-http_gunzip_modul 
        --with-http_gzip_static_module 
        --with-http_auth_request_module 
        --with-http_random_index_module 
        --with-http_secure_link_module 
        --with-http_degradation_module 
        --with-http_slice_module 
        --with-http_stub_status_module 
        --with-stream=dynamic 
        --with-stream_ssl_module 
        --with-stream_realip_module 
        --with-stream_geoip_module=dynamic 
        --with-libatomic 
        --with-pcre-jit 
        --with-stream_ssl_preread_module && 
    gmake && gmake install
ENV PATH $PATH:/usr/local/nginx/sbin
RUN ln -s /usr/local/openresty/nginx /usr/local/nginx
RUN ln -sf /dev/stdout /usr/local/nginx/logs/access.log && ln -sf /dev/stderr /usr/local/nginx/logs/error.log
EXPOSE 80
ENTRYPOINT ["nginx","-g","daemon off;"]

在Dockerfile同一级目录下执行如下构建命令

docker build -t nginx:v1.0

出现报错：

No gmake nor make found in PATH.

解决：
在RUN 命令后添加yum -y install make

出现如下语句，则表示构建成功

Successfully built 308a2a3a8b4e
Successfully tagged nginx:v1.0

查看镜像

[root@bogon source]# docker images
REPOSITORY   TAG       IMAGE ID       CREATED             SIZE
nginx        v1.0      503c027782db   5 minutes ago       746MB
centos       centos7   eeb6ee3f44bd   7 months ago        204MB

3、nginx docker服务运行

使用docker run命令运行容器

[root@bogon source]# docker run -itd --name nginx -p 80:80 -d nginx:v1.0
264abc9193d2499ed88e3bc66d63fe620118efaa375710bd79a2fd17ae428891
[root@bogon source]# docker ps -a 
CONTAINER ID   IMAGE          COMMAND                  CREATED             STATUS                           PORTS                               NAMES
264abc9193d2   nginx:v1.0     "nginx -g 'daemon of…"   19 seconds ago      Up 14 seconds                    0.0.0.0:80->80/tcp, :::80->80/tcp   nginx

使用curl本地80端口，得到如下结果，则说明部署成功

[root@bogon source]# curl localhost:80 Welcome to OpenResty! Welcome to OpenResty!

If you see this page, the OpenResty web platform is successfully installed and working. Further configuration is required.

For online documentation and support please refer to "https://openresty.org/">openresty.org.
Commercial support is available at "https://openresty.com/">openresty.com.

Thank you for flying OpenResty.

4、使用卷挂载实现配置的维护和使用

mkdir -p /opt/data/apps/nginx/
docker cp nginx:/usr/local/nginx/conf /opt/data/apps/nginx/
docker stop nginx
docker rm nginx
docker run -itd --name nginx -h nginx -p 80:80 -v /opt/data/apps/nginx/conf:/usr/local/nginx/conf -d nginx:v1.0

查看是否挂载成功，出现如下内容表示本地目录成功挂载至容器中

[root@bogon ~]# docker inspect nginx | jq -r .[].Mounts
[
  {
    "Type": "bind",
    "Source": "/opt/data/apps/nginx",
    "Destination": "/usr/local/openrestry/nginx/conf",
    "Mode": "",
    "RW": true,
    "Propagation": "rprivate"
  }
]

若执行上条命令请安装jq命令

yum -y install jq

nginx的docker容器化部署

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