Docker create volume specify volume export image import image

DockerfileFROM openjdk:8WORKDIR / hgs/java/#RUN ["/ bin/sh", "- c", "rm-f / hgs/java/docker.jar"] COPY. / docker.jar / hgs/java/COPY. / test.sh / hgs/java/#CMD java-cp / hgs/java/docker.jar dockertest.t.MainCMD sh. / test.sh1.docker container Runtime files are not visible to the outside. Container disappears after the exit provides three ways to manage files volumes,bind mounts for this docker. Volumes: managed by docker / var/lib/docker/volumes/ on Linux can be created by docker volume create bind mounts: is the absolute path of the machine does not need to pre-exist tmpfs: put in memory 2. Create volume docker volume create my-vol to view the details of volume docker volume ls volume docker volume inspect my-vol delete volume docker volume rm my-vol run container under the specified volume (version 1.13.1 docker may not support-- mount discussed here-v (--volume)) docker run-d-v my-vol:/hgs/tmp hello:1.1 docker run-v myv:/hgs / x hello:1.1 # myv:/hgs/x is consistent with Dockerfile's WORKDIR to remove files under volume This operation actually starts a container of centos:7 to delete docker run-- rm-v fjava:/hgs/centos centos:7 rm-rf / hgs/centos/docker.jar publish image to library docker save fjava1:latest-o / home/fjava.tar.gz #-o specify export path export image docker load-I / home/fjava.tar.gz # #-I /-- input specify import path