docker tag 命令详解 - Docker

语法

docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]

docker tag myapp:latest myapp:1.0.0

同一镜像可以有多个标签

docker tag myapp:1.0 registry.example.com/team/myapp:1.0

推送到私有仓库前必须打标签

docker tag myapp:latest username/myapp:latest

推送到 Docker Hub 需要加用户名前缀

docker tag myapp:latest myapp:1.2.0
docker tag myapp:latest myapp:1.2
docker tag myapp:latest myapp:1

语义化版本的多级标签

Error response from daemon: No such image 源镜像不存在，用 docker images 确认镜像名和标签

invalid reference format 标签格式不合法，不能包含大写字母或特殊字符