docker - 从图像中删除卷

Question

当我使用一些 volumes 从 docker-compose 创建一个容器，然后提交该容器时，docker-compose 文件中的 volumes也会犯。有没有办法不提交图像中的卷？

使用下面的命令只能添加音量但不能删除它们:

docker commit -c 'VOLUME /foo' container_name image_name

谢谢。

Answer 1

更新(2018 年 4 月):在“How can I edit an existing docker image metadata?”中，Guido U. Draheim建议gdraheim/docker-copyedit ，一个可以编辑 docker 镜像元数据的 python 脚本。

这可以删除或覆盖图像元数据，包括体积。

命令是:

./docker-copyedit.py FROM image1 INTO image2 REMOVE ALL VOLUMES

---

2018年以来，同期now includes (来自 Aalex Gabi ):

For building a CI image with an embedded MySQL database snapshot I ended up using this solution: "Persist & share dev data in a Docker image with commit" from Steven Landow.

FROM mysql:5.7

ADD snapshots/default.sql /tmp/default.sql

# Using separate data folder outside of mysql image declared volume
# https://github.com/moby/moby/issues/3465
# https://medium.com/@stevenlandow/persist-share-dev-mysql-data-in-a-docker-image-with-commit-f9aa9910be0a
RUN mkdir /var/lib/mysql-no-volume

RUN set -exu ;\
 MYSQL_ROOT_PASSWORD=root docker-entrypoint.sh --datadir /var/lib/mysql-no-volume &\
 MYSQL_PID=$! &&\
 timeout 22 bash -c 'until printf "" 2>>/dev/null >>/dev/tcp/$0/$1; do sleep 1; done' localhost 3306 &&\
 mysql -proot -e 'create database `mydb` collate "utf8mb4_general_ci"' &&\
 mysql -proot mydb < /tmp/default.sql &&\
 kill $MYSQL_PID &&\
 tail --pid=$MYSQL_PID -f /dev/null # Using tail to wait for PID to end https://unix.stackexchange.com/questions/427115/listen-for-exit-of-process-given-pid

# Using separate data folder outside of mysql image declared volume
# https://github.com/moby/moby/issues/3465
# https://medium.com/@stevenlandow/persist-share-dev-mysql-data-in-a-docker-image-with-commit-f9aa9910be0a
CMD ["--datadir", "/var/lib/mysql-no-volume"]