Docker部署前后端分离项目的三种方式小结

export const BASE_URL = 'http://10.61.4.42:7777/traffic'

server {
    listen       80;
    server_name  10.61.4.42; # 修改为docker服务宿主机的ip
    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
        try_files $uri $uri/ /index.html =404;
    }
     location /traffic {
      proxy_pass http://10.61.4.42:7777/traffic;
    }
    error_page   500 502 503 504  /404;
    location = /50x.html {
        root   html;
    }
}

# 镜像nginx
FROM nginx
# 作者
MAINTAINER ZhangSH<xxx@163.com>
# 将前端dist文件中的内容复制到nginx目录
ENV TimeZone=Asia/Shanghai
# 将前端dist文件中的内容复制到nginx目录
COPY dist  /usr/share/nginx/html/
# 用本地的nginx配置文件覆盖镜像的Nginx配置
COPY default.conf /etc/nginx/conf.d
EXPOSE 80

docker build -t 镜像名 .
# -t指明镜像名
# .不能丢

docker run -d -p 8088:80 --name 容器实例名 镜像名
# 8088为linux本地端口，也是浏览器地址栏中输入的端口(可任意设置)，docker会将其映射到容器实例中的80端口，然后nginx会监听到该端口

server:
  port: 80
  servlet:
        context-path: /traffic

@Configuration
@EnableWebMvc
public class CorsConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedHeaders("*")
                .allowedMethods("GET", "POST", "PUT", "OPTIONS", "DELETE", "PATCH")
                .maxAge(3600);
    }
}

# 镜像jdk1.8
FROM openjdk:8-jre-alpine
# 作者
MAINTAINER ZhangSH<xxx@163.com>
RUN echo "Asia/Shanghai" > /etc/timezone
# 拷贝并取别名
COPY *.jar /app.jar
EXPOSE 80
ENTRYPOINT ["java","-jar","app.jar"]	

docker build -t 镜像名 .
# -t指明镜像名
# .不能丢

docker run -d -p 7777:80 --name 容器实例名 镜像名
# 7777为linux本地端口，也是前端的BASE_URL中指定的端口号，docker会将7777映射到容器实例中的80端口，然后nginx会监听到该端口

server {
    listen       80;
    server_name  2xxxxxxxxx9;

    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
        try_files $uri $uri/ /index.html last;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}

# 镜像jdk1.8
FROM openjdk:8-jre-alpine
# 作者
MAINTAINER ZhangSH<xxx@163.com>
RUN echo "Asia/Shanghai" > /etc/timezone
# 拷贝并取别名
COPY *.jar /app.jar
EXPOSE 80
ENTRYPOINT ["java","-jar","app.jar"]

version: '3'
services:
  nginx:
    image: nginx:latest
    container_name: nginx
    restart: always
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
      - ./html/dist:/usr/share/nginx/html/
    ports:
      - "8080:80"
    networks:
      data_security:
        ipv4_address: 192.128.0.8
    privileged: true

  mysql:
    image: mysql:8.0.26
    container_name: mysql
    security_opt: # 忽略安全性检查
      - seccomp:unconfined
    cap_add:
      - SYS_NICE
    restart: always
    environment:
      - TZ=Asia/Shanghai
      - MYSQL_ROOT_PASSWORD=Root123!
      - MYSQL_DATABASE=traffic
      # - MYSQL_USER: 'root'
      # - MYSQL_PASSWORD: 'password'
      # - MYSQL_ROOT_HOST: '%'
    volumes: # 挂载sql文件
      - ./mysql/init/:/docker-entrypoint-initdb.d/
    ports:
      - "3306:3306"
    networks:
      data_security:
        ipv4_address: 192.128.0.2
    command: 
      --default-authentication-plugin=mysql_native_password
      --character-set-server=utf8mb4
      --collation-server=utf8mb4_unicode_ci
      --sql-mode=''
      --interactive_timeout=259200
      --wait_timeout=259200
        
  myweb:
    image: web/test1
    build: . # 执行当前目录下的Dockerfile文件打包镜像
    ports:
      - "7777:80"
    depends_on:
      - mysql
    networks:
      data_security:
        ipv4_address: 192.128.0.4

# 容器内部网络组
networks:
  data_security:
    driver: bridge 
    ipam:
      config:
        - subnet: 192.128.0.0/16

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;
	# ❗nginx监听的端口，需要在Dockerfile中暴露出来
    server {
        listen       6868 default_server;
        listen       [::]:6868 default_server;
        server_name  2xx.xx.xx.xx9;
        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;
		# ❗反向代理，前端请求的url发送到nginx，由nginx根据location规则匹配做对应的转发
        location ~ /roadSection {
        	# ❗反向代理重写url，正则表达式拼接
            rewrite ^/(.*)$ /$1 break;
            # ❗后端B的ip和端口
            proxy_pass http://2xx.xx.xx.xx9:6666;
        }

        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
            try_files $uri $uri/ /index.html last;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
    }
}

FROM centos:7
MAINTAINER ZhangSH<xxx@163.com>
# 当前目录挂载到容器内的tmp
VOLUME /tmp
# 安装java
RUN yum -y install java
# 安装epel源
RUN yum -y install epel-release
# 安装nginx
RUN yum -y install nginx
# 将jar包添加到容器中并更名为app.jar
ADD traffic-backend-0.0.1-SNAPSHOT.jar app.jar
# 把自己本地的html里放的前端项目，放入nginx默认的资源目录里
COPY dist /usr/share/nginx/html
# 将自己的nginx.conf 配置文件放到docker里nginx默认的配置文件位置
COPY nginx.conf /etc/nginx/nginx.conf
# 将nginx监听的端口6868暴露出来，启动容器实例时通过--net=host不用指定端口映射，会默认使用这个端口 
EXPOSE 6868
# 运行jar包，ENTRYPOINT这条命令只能出现一次，如有多条，则只执行最后一条。该命令只有容器启动时才执行
ENTRYPOINT ["java","-jar","/app.jar"]