前言

如果使用docker去部署一套php的运行环境，我们需要构建出nginx、php-fpm两个容器，nginx通过fast_cgi协议去转发php-fpm中的端口，从而实现web server的搭建，接下来以php的laravel框架为演示例子。

部署php-fpm

第一步 编写php-fpm镜像的Dockerfile：

./Dockerfile

#根据你自身业务需求来选择官方的php基础镜像
FROM php:7.4-fpm-alpine
# 设置时区
ENV TZ Asia/Shanghai
# 创建supervisor进程管理器相关数据存在的文件夹
RUN mkdir -p "/var/log/supervisor" && mkdir -p "/var/run"
# 设置源，提高下载效率
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
# 安装系统依赖
RUN apk update && apk --no-cache add \
    autoconf \
    g++ \
    make \
    openssl-dev \
    libzip-dev \
    unzip \
    tzdata \
    supervisor
# 安装Redis扩展
RUN pecl install redis && docker-php-ext-enable redis
# 安装PDO MySQL扩展
RUN docker-php-ext-install pdo_mysql && docker-php-ext-enable pdo_mysql
# 安装opcache扩展
RUN docker-php-ext-install opcache && docker-php-ext-enable opcache
# 安装Composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
#工作目录
WORKDIR /app
# 定义容器启动时运行的命令
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf"]

第二步 配置Crontab定时任务：

./cronJob

* * * * * /usr/local/bin/php /app/www/laravel8/artisan schedule:run >> /var/log/laravel8-crontab-task.log 2>&1

第三步 配置supervisor进程管理器：

./supervisord/supervisord.conf

; supervisor config file
[unix_http_server]
file=/var/run/supervisor.sock   ; (the path to the socket file)
chmod=0700                       ; sockef file mode (default 0700)
[supervisord]
logfile=/var/log/supervisor/supervisord.log ; (main log file;default $CWD/supervisord.log)
pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
childlogdir=/var/log/supervisor            ; ('AUTO' child log dir, default $TEMP)
; the below section must remain in the config file for RPC
; (supervisorctl/web interface) to work, additional interfaces may be
; added by defining them in separate rpcinterface: sections
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
[supervisorctl]
serverurl=unix:///var/run/supervisor.sock ; use a unix:// URL  for a unix socket
; The [include] section can just contain the "files" setting.  This
; setting can list multiple files (separated by whitespace or
; newlines).  It can also contain wildcards.  The filenames are
; interpreted as relative to this file.  Included files *cannot*
; include files themselves.
[include]
files = /etc/supervisor/conf.d/*.conf

supervisord/conf.d/supervisord.conf

[supervisord]
nodaemon=true
[program:php-fpm]
command=/usr/local/sbin/php-fpm -F
autostart=true
autorestart=true
startretries=3
priority=1
stdout_logfile=/var/log/php-fpm.log
redirect_stderr=true
[program:crond]
command=/usr/sbin/crond -f
autostart=true
autorestart=true
stdout_logfile=/var/log/crond.log
redirect_stderr=true
priority=2

第四步 编写docker-compose.yml：

docker-compose.yml

version: '3.8'
services:
  php7.4fpm:
    build:
      dockerfile: Dockerfile
    image: php7.4fpm
    container_name: php7.4fpm
    restart: always
    volumes:
      # 映射应用程序目录
      - /Users/king/Code/laravel8:/app/www/laravel8
      # 映射Crontab定时任务配置
      - ./cronJob:/etc/crontabs/root
      # 映射supervisor配置文件
      - ./supervisord:/etc/supervisor
      # 映射php扩展配置 ps：首次构建时需要注释，否则容器内该目录会为空
      #- ./extensions:/usr/local/etc/php/conf.d
      # 映射fpm配置文件 ps：首次构建时需要注释，否则容器内该目录会为空
      #- ./fpm-conf:/usr/local/etc/php-fpm.d
networks:
  default:
    external: true
    name: frontend

第五步 构建镜像和容器：

• 拉去基础镜像

  docker pull php:7.4-fpm-alpine

  • 创建网络

    docker network create frontend

    • 容器编排

      docker-compose up -d --build

      • 查看容器状态

        

        • 同步文件

          #同步php扩展配置文件夹，后续可以直接在宿主机变更相关参数配置
          docker cp php7.4fpm:/usr/local/etc/php/conf.d ./extensions
          #同步fpm配置文件夹，后续可以直接在宿主机变更相关参数配置
          docker cp php7.4fpm:/usr/local/etc/php-fpm.d ./fpm-conf

          • 查看当前目录结构

            

            部署nginx

            第一步 编写Dockerfile:

            ./Dockerfile

            FROM nginx:alpine
            # 安装时区工具
            RUN set -ex \
                && sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
                && apk --update add tzdata \
                && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
            EXPOSE 80 443
            # 定义容器启动时运行的命令
            CMD ["nginx", "-g", "daemon off;"]

            第二步 编写配置文件以及站点vhost：

            ./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;
                keepalive_timeout  65;
                #压缩配置
                gzip on;
                gzip_comp_level 5;
                gzip_min_length 1k;
                gzip_buffers 4 16k;
                gzip_proxied any;
                gzip_vary on;
                gzip_types
                  application/javascript
                  application/x-javascript
                  text/javascript
                  text/css
                  text/xml
                  application/xhtml+xml
                  application/xml
                  application/atom+xml
                  application/rdf+xml
                  application/rss+xml
                  application/geo+json
                  application/json
                  application/ld+json
                  application/manifest+json
                  application/x-web-app-manifest+json
                  image/svg+xml
                  text/x-cross-domain-policy;
                gzip_static on;  
                gzip_disable "MSIE [1-6]\.";
                include /etc/nginx/conf.d/*.conf;
            }
            

            ./conf.d/default.conf

            server {
                listen 80;
                server_name localhost;
                root /app/www/laravel8/public;
                index index.php index.html;
                location / {
                    try_files $uri $uri/ /index.php?$query_string;
                }
                location ~ \.php$ {
                    include fastcgi_params;
                    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                    fastcgi_pass php7.4fpm:9000;  # PHP-FPM 容器的地址和端口
                    fastcgi_index index.php;
                }
                location ~ /\.ht {
                    deny all;
                }
                error_log  /var/log/nginx/error-php7.4fpm.log;
                access_log /var/log/nginx/access-php7.4fpm.log;
            }

            第三步 编写docker-compose.yml：

            ./docker-compose.yml

            version: '3.8'
            services:
              nginx:
                build:
                  dockerfile: Dockerfile
                image: nginx
                container_name: nginx
                volumes:
                  - ./nginx.conf:/etc/nginx/nginx.conf
                  - ./conf.d:/etc/nginx/conf.d
                  - ./log:/var/log/nginx
                restart: always
                ports:
                  - "80:80"
            networks:
              default:
                external: true
                name: frontend

            第四步 构建镜像和容器：

            • 拉去基础镜像

              docker pull nginx:alpine

              • 容器编排

                docker-compose up -d --build

                •  查看容器状态

                  

                  • 目录结构

                    

                     验证

                    如果以上步骤顺利操作，浏览器访问 http://127.0.0.1或http://localhost看响应结果。

                    大功告成！

                     
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