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HomeOperation and MaintenanceDockerHow to solve the problem that docker import cannot be used

Solution to the problem that docker import cannot be used: 1. Find the ENV parameter and append all its "key=value" strings to the file specified by "--env-file"; 2. Run the command "docker ps -a".

How to solve the problem that docker import cannot be used

The operating environment of this article: ubuntu 16.04 system, Docker version 20.10.11, Dell G3 computer.

How to solve the problem that docker import cannot be used?

The import cannot run successfully after Docker export.Solution

Scenario:

1. Use docker export {containerName } -o {fileName} to export the container

2. Use docker import {fileName } {containerName} to import

3. Use docker Unable to run successfully after running:

4. Use –env-file to specify the file to manually set environment variables

Solution:

  • Manually using –env-file will remove the original ENV variables of the container, so you need to find the old (before export) container and use the docker inspect command to find the ENV parameters and append all its key=value strings Go to the file specified by –env-file

  • Run the command docker ps -a to view the "COMMAND" column of the container before exporting. This column is the command when the container is started. Please change it Append to docker run..., use "docker ps -a --no-trunc" to view complete information

Recommended learning: "docker video tutorial

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