ed898aef9c
- add a standalone docs guide for reinstalling Docker, Compose, and Buildx from the official Ubuntu repository - refine planet.sh compose/build diagnostics so docker compose is the primary wording and missing buildx / fallback cases report more accurately - keep the startup failure output aligned with the existing terminal tone while reducing misleading compose-version messaging
106 lines
1.7 KiB
Markdown
106 lines
1.7 KiB
Markdown
# Docker + Compose + Buildx 升级教程
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流程：删除旧版 -> 安装新版 -> 验证
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---
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# 1. 删除旧版本
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## 删除 apt 安装的旧包
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```bash
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sudo apt remove -y docker.io docker-compose docker-compose-v2 docker-doc podman-docker containerd runc
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```
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---
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## 删除系统中的 `docker-compose`（V1）
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```bash
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sudo rm -f "$(which docker-compose 2>/dev/null)"
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```
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---
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## 查找并删除手动安装的 Buildx 插件
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```bash
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docker info | sed -n '/Plugins:/,/^ Server:/p' | grep -A2 buildx
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```
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从输出中获取 `Path`，然后执行：
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```bash
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rm -f <Path中对应的docker-buildx文件>
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```
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---
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## 清理无用依赖
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```bash
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sudo apt autoremove -y
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```
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---
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# 2. 安装 Docker 官方版本
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包含 Docker Engine、Docker Compose 插件、Docker Buildx 插件。
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## 安装依赖
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```bash
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sudo apt update
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sudo apt install -y ca-certificates curl gnupg
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```
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---
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## 添加 Docker GPG key
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```bash
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sudo install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
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sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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sudo chmod a+r /etc/apt/keyrings/docker.gpg
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```
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---
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## 添加官方仓库
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```bash
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echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
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sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
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```
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---
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## 安装 Docker + Compose + Buildx
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```bash
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sudo apt update
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sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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```
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---
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# 3. 验证安装
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```bash
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docker --version
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docker compose version
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docker buildx version
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```
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---
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# 4. 常用命令
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```bash
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docker compose up -d
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docker compose down
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docker buildx build .
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```
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