docker

安装

  • 安装 docker-ce

https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository

https://developer.aliyun.com/mirror/docker-ce

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MIRROR=https://download.docker.com/linux/ubuntu  # 官方
MIRROR=https://mirrors.aliyun.com/docker-ce/linux/ubuntu  # 阿里云

# Add Docker's official GPG key:
sudo apt update
sudo apt install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL $MIRROR/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
Types: deb
URIs: $MIRROR
Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
Components: stable
Signed-By: /etc/apt/keyrings/docker.asc
EOF

sudo apt update
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sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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sudo systemctl status docker
sudo systemctl start docker

配置

  • docker pull 设置代理
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sudo mkdir -p /etc/systemd/system/docker.service.d
sudo tee /etc/systemd/system/docker.service.d/http-proxy.conf <<-EOF
[Service]
Environment="HTTP_PROXY=$HTTP_PROXY"
Environment="HTTPS_PROXY=$HTTPS_PROXY"
EOF

sudo systemctl daemon-reload
sudo systemctl restart docker

常用 docker 命令

  • 修改运行中的容器的重启策略
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docker update --restart=always <CONTAINER ID>
docker update --restart=no <CONTAINER ID>
  • 查看 IP
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docker inspect --format='{{.NetworkSettings.IPAddress}}'

常用 Dockerfile 指令

  • ubuntu 修改 apt 源
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# ubuntu 20.04
sed -e 's/archive.ubuntu.com/mirrors.aliyun.com/g' \
    -i /etc/apt/sources.list
# ubuntu 24.04
sed -e 's/archive.ubuntu.com/mirrors.aliyun.com/g' \
    -e 's/security.ubuntu.com/mirrors.aliyun.com/g' \
    -i /etc/apt/sources.list.d/ubuntu.sources