docker - Read For Learn

HTTP/HTTPS error in a Proxy/Docker/LXC environment

Setup existing WordPress site for local development and testing using docker

Do you use wp-env/@wordpress/env? I highly suggest you use it. Your WordPress inside your docker container can not just magically import the mySQL database for you. If you have mapped the folder correctly you should be seeing the plugins and themes you have in there but not the data. You should install WP-CLI locally to … Read more

Trouble Finding Error Logs in wp-env

WordPress docker page is missing VIRTUAL_HOST variable

Downloading docker image for transfer to non-internet-connected machine

Short: use the save CLI command. https://docs.docker.com/engine/reference/commandline/save/ You can pull the image on a computer that have access to the internet. sudo docker pull ubuntu Then you can save this image to a file sudo docker save -o ubuntu_image.docker ubuntu Transfer the file on the offline computer (USB/CD/whatever) and load the image from the file: … Read more

Why isn’t ifconfig available in Ubuntu Docker container?

You can install ifconfig with apt-get install net-tools. (Specifically, by adding RUN apt-get install -y net-tools to your Dockerfile.) Based on my test, ifconfig is included in ubuntu:14.04.

Multiple commands in Docker CMD directive

I believe the difference might be because the second command does shell processing while the first does not. Per the official documentation, there are the exec and shell forms. Your first command is an exec form. The exec form does not expand environment variables while the shell form does. It is possible that by using … Read more

Is it possible to rerun kubernetes job?

No. There is definitely no way to rerun a kubernetes job. You need to delete it first.

How can I debug a docker container initialization?

Docker events command may help and Docker logs command can fetch logs even after the image failed to start. First start docker events in the background to see whats going on. docker events& Then run your failing docker run … command. Then you should see something like the following on screen: 2015-12-22T15:13:05.503402713+02:00 xxxxxxxacd8ca86df9eac5fd5466884c0b42a06293ccff0b5101b5987f5da07d: (from xxx/xxx:latest) … Read more

How to install tzdata on a ubuntu docker image?

One line only: RUN DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt-get -y install tzdata

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