# docker.example

**Repository Path**: doyosoft/docker.example

## Basic Information

- **Project Name**: docker.example
- **Description**: docker 使用示例
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2023-11-05
- **Last Updated**: 2023-11-06

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# docker 使用

## 常用linux指令和工具

### ls

### cd

### mkdir

### rm

### cat

### df

### pwd 

### cp

### mv

### cat 

### su 和 sudo

### yum 和 dnf

### vim

### tar

## docker 安装

```bash
# 更新系统
> sudo dnf update

# 添加Docker GPG密钥
> sudo rpm --import https://download.docker.com/linux/centos/gpg

# 添加Dokcer存储库
> sudo dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

# 安装Docker Engine社区版
> sudo dnf install docker-ce-23.0.2 docker-ce-cli-23.0.2 containerd.io

# 启动Docker服务
> sudo systemctl start docker

# 设置Docker开机启动
> sudo systemctl enable docker

# 验证Docker安装
> docker version

```

## docker 常用指令

### docker build

```bash
# 构建镜像
> docker build -t page:1.0.1 .
```

### docker image

```bash
> docker images
> docker image ls

> docker image rm page:1.0.2
```

### docker run

```bash
> docker run -d -p 3001:3000 page:1.0.2
```

### docker container

```bash
> docker ps
> docker container ls

> docker container stop CONTAINER_ID
> docker container rm CONTAINER_ID
```

## Dockerfile

```bash
# 指定基础镜像
FROM node:16-alpine

# 设置当前工作目录
WORKDIR /usr/local/app

# 复制
COPY package.json ./

# 运行制定命令
RUN npm install pm2 -g --registry=https://registry.npmmirror.com
RUN npm install --registry=https://registry.npmmirror.com

# 设置环境变量
ENV NODE_ENV production

COPY . .

# 暴露容器运行的监听端口给外部
EXPOSE 3000  

# 容器启动时要执行的命令
CMD [ "npm", "run", "start:docker" ]
```

# .dockerignore
类似于.gitignore

# 安装Portainer-CE Docker GUI

```bash
> docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce
> # 浏览器访问 http://localhost:9000/