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集成 Docker 实现项目容器化脚本部署
在V 2.0的基础上加入Nginx实现简单的集群负载均衡
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‎deploy/README.md‎

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# 集成 Docker 实现项目容器化脚本部署
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- [x] V 1.0： 集成 Docker 实现项目容器化脚本部署
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- [x] V 2.0： 在V 1.0的基础上提取环境变量值
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- [x] V 3.0： 在V 2.0的基础上加入Nginx实现简单的集群负载均衡
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- 访问地址: http://NGINX_IP:NGINX_PORT/
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### 文件目录说明
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### 文件目录说明(V 1.0 & V 2.0)
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```bash
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# 1. 实例化 MySQL 容器启动时自动执行脚本. *.sh | *.sql | *.sql.gz
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auto-script
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start.sh
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```
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`注意: 启动项目前, 请先构建 springboot-mybatis-web 项目镜像`
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### 文件目录说明(V 3.0)
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```bash
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# 1. 初始化脚本文件
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auto-script
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- mysql
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- init_account.sql
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- init_tables.sql
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- nginx
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- html/index.html # nginx 首页页面
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- nginx.conf # nginx 配置文件
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# 2. 服务编排文件信息
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docker-compose.yaml
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# 3. 环境变量配置文件
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.env
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# 4. 服务启动脚本
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start.sh
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# 5. 持久化本地挂载目录
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data
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# 6. 持久化数据备份目录
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dataBak
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# 7. 服务启动日志存储目录
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logs
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- smw.log
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```

‎deploy/V 3.0/.env‎

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# 实例化 WEB 容器时设置的容器名
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WEB_CONTAINER_NAME1="springboot.mybatis.web1"
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# 实例化 WEB 容器时设置的容器名
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WEB_CONTAINER_NAME2="springboot.mybatis.web2"
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# Web 容器对外映射的端口
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WEB_PORT1="8082"
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# Web 容器对外映射的端口
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WEB_PORT2="8083"
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# wEB 镜像版本, 默认latest
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WEB_IMAGE_VERSION="latest"
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# 实例化 NGINX 容器时设置的容器名
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NGINX_CONTAINER_NAME="springboot.mybatis.nginx"
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# NGINX 镜像版本, 默认latest
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NGINX_IMAGE_VERSION="latest"
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# NGINX 容器对外映射的端口
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NGINX_PORT="85"
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# 实例化 MySQL 容器时设置的容器名
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MYSQL_CONTAINER_NAME="springboot.mybatis.mysql"
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# MySQL 镜像版本, 默认latest
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MYSQL_IMAGE_VERSION="5.6"
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# MySQL 容器部署的宿主机IP
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MYSQL_IP="119.23.106.146"
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# MySQL 容器对外映射的端口
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MYSQL_PORT="3305"
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# MySQL 服务root账户对应的密码
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MYSQL_ROOT_PASSWORD="root"
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# Web 项目中用到的数据库名
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MYSQL_DB="answer"
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# Web 项目中连接 MySQL 专用账户
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MYSQL_UNAME="docker"
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# Web 项目中连接 MySQL 专用账户对应的密码
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MYSQL_PASSWD="123456"
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‎deploy/V 3.0/auto-script/mysql/init_account.sql‎

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/** 创建 docker 账户 */
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use mysql;
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create user 'docker'@'%' identified by '123456';
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grant all privileges on answer.* to 'docker'@'%';
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flush privileges;

‎deploy/V 3.0/auto-script/mysql/init_tables.sql‎

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/*
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Navicat MySQL Data Transfer
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Source Server : 119.23.106.146
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Source Server Version : 50723
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Source Host : 119.23.106.146:3306
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Source Database : answer
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Target Server Type : MYSQL
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Target Server Version : 50723
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File Encoding : 65001
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Date: 2018-10-17 17:27:23
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*/
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SET FOREIGN_KEY_CHECKS=0;
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CREATE DATABASE IF NOT EXISTS answer default charset utf8 COLLATE utf8_general_ci;
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USE answer;
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-- ----------------------------
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-- Table structure for `smw_user`
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-- ----------------------------
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DROP TABLE IF EXISTS `smw_user`;
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CREATE TABLE `smw_user` (
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`id` bigint(18) NOT NULL AUTO_INCREMENT,
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`user_name` varchar(55) DEFAULT NULL,
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`sex` tinyint(3) DEFAULT NULL,
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`password` varchar(55) DEFAULT NULL,
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`email` varchar(55) DEFAULT NULL,
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`address` varchar(55) DEFAULT NULL,
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`create_time` datetime DEFAULT NULL,
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`update_time` datetime DEFAULT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;
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-- ----------------------------
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-- Records of smw_user
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-- ----------------------------
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INSERT INTO `smw_user` VALUES ('1', 'answer', '1', '123456', 'answer_ljm@163.com', 'sz', '2018-10-16 11:10:47', '2018-10-16 11:10:50');
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INSERT INTO `smw_user` VALUES ('2', 'admin', '1', '123456', 'admin@qq.com', 'sz', '2018-10-16 11:10:47', '2018-10-16 11:10:50');
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‎deploy/V 3.0/auto-script/nginx/html/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>Welcome to nginx!</title>
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<style>
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body {
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width: 35em;
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margin: 0 auto;
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font-family: Tahoma, Verdana, Arial, sans-serif;
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}
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</style>
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</head>
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<body>
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<h1>Welcome to Answer nginx!</h1>
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</body>
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</html>

‎deploy/V 3.0/auto-script/nginx/nginx.conf‎

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user nginx;
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worker_processes 1;
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error_log /var/log/nginx/error.log warn;
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pid /var/run/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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include /etc/nginx/mime.types;
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default_type application/octet-stream;
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log_format main '$remote_addr - $remote_user [$time_local] "$request" '
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'$status $body_bytes_sent "$http_referer" '
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'"$http_user_agent" "$http_x_forwarded_for"';
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access_log /var/log/nginx/access.log main;
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sendfile on;
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#tcp_nopush on;
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keepalive_timeout 65;
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#gzip on;
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upstream www.answer_nginx.com {
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server 119.23.106.146:8082;
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server 119.23.106.146:8083;
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# ip_hash;
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}
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error_page 404 https://www.baidu.com; #错误页
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server {
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listen 80;
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server_name localhost;
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location / {
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proxy_pass http://www.answer_nginx.com/smw/user/findUsers;
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proxy_redirect default;
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proxy_set_header Host $host:$server_port;
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}
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error_page 500 502 503 504 /50x.html;
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location = /50x.html {
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root /usr/share/nginx/html;
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}
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}
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}

‎deploy/V 3.0/docker-compose.yaml‎

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version: '2'
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services:
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# MySQL 服务
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springboot.mybatis.mysql:
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container_name: ${MYSQL_CONTAINER_NAME}
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hostname: smm
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image: mysql:${MYSQL_IMAGE_VERSION}
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environment:
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- HOSTNAME=mysql
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- MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
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working_dir: /home/smm
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# MySQL 在容器启动时会自动执行 /usr/local/bin/docker-entrypoint.sh 该脚本, 并自动执行 /docker-entrypoint-initdb.d 目录下的脚本
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# command: /bin/bash -c './script.sh;'
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volumes:
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- ./data/${MYSQL_CONTAINER_NAME}/datadir:/usr/data
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- ./data/${MYSQL_CONTAINER_NAME}/conf:/etc/mysql
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- ./data/${MYSQL_CONTAINER_NAME}/smm:/home/smm
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- ./auto-script/mysql:/docker-entrypoint-initdb.d
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ports:
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- ${MYSQL_PORT}:3306
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logging:
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driver: "json-file"
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options:
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max-size: "200M"
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max-file: "5"
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# NGINX 服务
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springboot.mybatis.nginx:
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container_name: ${NGINX_CONTAINER_NAME}
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hostname: smn
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image: nginx:${NGINX_IMAGE_VERSION}
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environment:
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- HOSTNAME=nginx
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working_dir: /home/nginx
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volumes:
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- ./data/${NGINX_CONTAINER_NAME}:/home/nginx
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- ./auto-script/nginx/html/index.html:/usr/share/nginx/html/index.html:ro
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# - ./auto-script/nginx/default.conf:/etc/nginx/conf.d/default.conf
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- ./auto-script/nginx/nginx.conf:/etc/nginx/nginx.conf
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expose:
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- 80
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ports:
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- ${NGINX_PORT}:80
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logging:
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driver: "json-file"
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options:
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max-size: "200M"
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max-file: "5"
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# 集群 WEB1
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springboot.mybatis.web1:
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container_name: ${WEB_CONTAINER_NAME1}
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hostname: smw
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image: springboot-mybatis-web:${WEB_IMAGE_VERSION}
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environment:
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- MYSQL_IP=${MYSQL_IP}
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- MYSQL_PORT=${MYSQL_PORT}
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- MYSQL_DB=${MYSQL_DB}
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- MYSQL_UNAME=${MYSQL_UNAME}
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- MYSQL_PASSWD=${MYSQL_PASSWD}
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working_dir: /home/smw
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volumes:
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- ./data/${WEB_CONTAINER_NAME1}:/home/smw
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ports:
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- ${WEB_PORT1}:8888
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depends_on:
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- springboot.mybatis.mysql
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- springboot.mybatis.nginx
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logging:
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driver: "json-file"
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options:
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max-size: "200M"
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max-file: "5"
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# 集群 WEB2
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springboot.mybatis.web2:
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container_name: ${WEB_CONTAINER_NAME2}
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hostname: smw
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image: springboot-mybatis-web:${WEB_IMAGE_VERSION}
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environment:
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- MYSQL_IP=${MYSQL_IP}
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- MYSQL_PORT=${MYSQL_PORT}
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- MYSQL_DB=${MYSQL_DB}
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- MYSQL_UNAME=${MYSQL_UNAME}
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- MYSQL_PASSWD=${MYSQL_PASSWD}
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working_dir: /home/smw
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volumes:
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- ./data/${WEB_CONTAINER_NAME2}:/home/smw
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ports:
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- ${WEB_PORT2}:8888
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depends_on:
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- springboot.mybatis.mysql
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- springboot.mybatis.nginx
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- springboot.mybatis.web1
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logging:
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driver: "json-file"
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options:
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max-size: "200M"
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max-file: "5"

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