Docker

Docker

Fails to start devcontainer in VSCode due to lack of mounted device

It fails to open devcontainer even if the Docker image is removed and rebuilt. The Dockerfile and devcontainer.json are correct but it seems that vscode uses the old runArgs to start docker!
Docker

Python install Poetry in Docker container with VSCode

It took me a while to find out how to poetry install in Docker container with VSCode. So, I wrote this article for othe...
Docker

Building dev infrastructure with docker

It is getting major to use cloud service to store source code but there are still many cases to build infrastructure in...
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Docker

Visualizing log info with Fluentd, Elasticsearch and Kibana

Docker writes contents written to stdout and stderr into json formatted log file. If we create a function to write log ...
Docker

Container optimization

As you already may know, Docker doesn't automatically remove images. An image composes of layers that are cached and th...
Docker

Update and rollback without downtime in swarm mode

We don't want to stop our services when updating one of Docker images in a cluster if possible. If the new image fails ...
Docker

Creating a cluster with Docker swarm and handling secrets

Docker Swarm is Native orchestration tool. It makes service management easy. For example, it stops a container which is...
Docker

Override Docker compose file to have different environments

The dev-environment and production environment is often different. The difference depends on the system but what I can ...
Docker

Container’s dependency check and health check

A software becomes failing state. When our software falls into a failing state we want to restart the software in order...
Docker

Run multi Docker containers with compose file

In the previous post, I explained how to communicate with other Docker containers. If you haven't read the post yet, go...
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