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Mapping

Vagrant

Vagrant.configure("2") do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at
  # https://docs.vagrantup.com.

  # Every Vagrant development environment requires a box. You can search for
  # boxes at https://vagrantcloud.com/search.
  config.vm.box = "ubuntu/bionic64"

  config.vm.network "forwarded_port", guest: 8123, host: 8080

end

Docker Compose

確保端口号之间沒有空格

  nginx:
    image: nginx:1-alpine
    container_name: nginx
    restart: always
    ports:
      - "8123:8801"

Nginx

http {
    server {
        listen 8801;
    }

    location / {
      root /usr/share/nginx/html;
      index index.html;
    }
}

Vagrant 端口映射: 宿主机的 8080 端口映射到虚拟机的 8123 端口。

Docker Compose 端口映射: 虚拟机的 8123 端口映射到 Docker 容器内部的 8801 端口。

Nginx 配置: Nginx 服务监听 8801 端口。

通过这些配置，通过 http://localhost:8080 访问到在 Vagrant 虚拟机内运行的 Docker 容器中的 Nginx 服务。