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+# Docker
+
+## 1. 避免啟動失敗
+
+```bash
+sudo nano /boot/cmdline.txt
+```
+
+```bash
+sudo reboot
+```
+
+## 2. 安裝 docker 服務
+
+```bash
+curl -fsSL https://get.docker.com -o get-docker.sh
+```
+
+```bash
+sudo sh get-docker.sh
+```
+
+## 3. 將使用者加入 docker 權限與群組，省去 sudo
+
+```bash
+sudo usermod -aG docker $USER
+```
+
+```bash
+newgrp docker
+```
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