Troubleshooting deployment to Docker Containers

Unofficial Content

This documents describes some issues that may happen when deploying to docker, its causes and its solutions.

Image operating system "windows" cannot be used on this platform / You need to change your Docker Engine to work with Windows containers

Cause: Docker build command fails because Docker is running Linux Containers.

Solution: Open Docker for Windows and switch to Windows Containers

config-popup-win-linux-switch_20171127175534_1_png

Connection refused

Get https://registry-1.docker.io/v2/: dial tcp: lookup registry-1.docker.io on [::1]:53: read udp [::1]:52399->[::1]:53: read: connection refused

Solution: Disconnect from wifi, restart Docker (*), and connect to WiFi.

Source: https://forums.docker.com/t/cannot-connect-to-docker-registry-auth-servers/16630/11

(*) in some case, just restarting Docker solved the issue

Drive has not been shared

ERROR: for cgxmodelstrunkdockerexecutenetcore_web  Cannot create container for service web: Drive has not been shared
ERROR: for web  Cannot create container for service web: Drive has not been shared
ERROR: Encountered errors while bringing up the project.

Cause: This error happens on Linux containers when the volume of the physical drive is not shared.

Solution: Go to Docker for Windows -> Shared Drives and mark the drive you need (eg C:)

image_201783201124_1_png

Docker Engine could not be started

This happens in some cases after windows is started

Solution: Restart Docker Engine

DockerCouldNotStart

To restart Docker Engine go to Settings(right click in tray icon) and Select "Restart Docker"

DockerRestart

error: The images used to run this environment are Windows. Please switch your Docker client settings to Windows containers.

Or error: The images used to run this environment are Linux. Please switch your Docker client settings to Linux containers.

Solution: Switch ;)

DockerSwitchToWindows

Sharing two interesting tips from Docker Tips:

  1. Docker Tip #31: How to Remove Dangling Docker Images
  2. Docker Tip #32: Automatically Clean up after Docker Daily