If you build your own container manage system when integrating docker client library, you may also encounter issues with credential resolution. If you system maintain the registry credential, it is easy to assume that authentication will “just work” once credentials are configured in your platform. But behind the scenes, Docker follows a specific and sometimes confusing logic for how it locates and uses credentials. This post explains that behavior in depth and highlights one of the most common causes of authentication issues developers face when using the Docker client as part of a backend or automation workflow. ...

Understanding the Error and Why It Occurs The message Please use the command-line updater because updating via browser is disabled in your config.php means NextCloud’s configuration file (config.php) is set to restrict browser-based updates. This is a security measure designed to prevent unauthorized or potentially malicious updates. Docker setups often implement this for added security. Step-by-Step Instructions 1. Access Your Docker Container First, you need to access your NextCloud Docker container’s shell. Let’s assume your NextCloud container is named nextcloud. Replace nextcloud with the actual name of your container. ...

Integrating n8n with MinIO can streamline your data management processes by automating file uploads directly to your MinIO storage. However, sometimes this integration might run into a common error: Cannot read properties of undefined (reading '_') In this post, we’ll walk through how to troubleshoot and fix this issue effectively. Understanding n8n and MinIO n8n is an open-source workflow automation tool that connects with multiple services, while MinIO serves as a robust, high-performance object storage system compatible with the S3 API. When combined, they facilitate automated data workflows. ...

The Problem While using DecapCMS in a local environment, you might encounter the following error: error: Error handling {"branch":"feat/add-new-post","action":"getMedia","params":{"branch":"feat/add-new-post","mediaFolder":"static/images"}}: Invalid string length Context: The repository is built with Hugo. It is approximately 600MB, with a static/images folder containing about 5000 images totaling more than 500MB. This error doesn’t appear when DecapCMS is run on a production environment like Netlify, but locally it occurs when attempting to view certain pages. Running DecapCMS Locally To run DecapCMS locally, you use: ...

Introduction Working with user-uploaded files in automation tools like n8n can sometimes present challenges, particularly when dealing with binary files such as CSVs. In this blog post, we will walk through an approach to handle CSV file uploads using the latest version of n8n, version 1.113.3. We will explore how to use the Code node to transform these binary files into text, making it easier to process their contents within an n8n workflow. ...

Setting up a self-hosted GitHub Runner on a DigitalOcean droplet allows for more control and customization in your CI/CD pipelines. This guide walks you through creating a droplet using a Docker image, configuring GitHub secrets, and setting up a self-hosted runner in a few easy steps. 1. Setup DigitalOcean Droplet 1.1 Create a DigitalOcean Droplet Start by creating a droplet from the DockerImage marketplace on DigitalOcean. This pre-configured image includes Docker, so you won’t need to install it yourself. ...

Problem When self-hosting Seatable using Docker, you might experience issues with your SMTP setup, even if you’re confident that your configuration is correct because it works on another platform. This might appear to be a bug, but there is a specific cause. Recently, a friend encountered this problem, and I was able to identify the root cause. Root Cause Seatable does not automatically refresh its email configuration from Docker Compose environment variables after the initial setup. ...

The Problem I’m building a container management tool using the Docker Compose SDK (link) and the Docker CLI library (link). One feature is the ability to deploy Docker Compose YAML files that reference images from private registries. To handle authentication, I added private registry credentials into my tool and injected them into the Docker client using the authConfig field during Compose service initialization. I expected Docker Compose to use these credentials when pulling images. ...

Creating a bootable USB drive for Linux using a Windows computer can be straightforward with the right tools. Rufus is a popular, free utility that simplifies the process. Here’s how you can use Rufus to prepare your USB drive for a Linux installation. Step-by-Step Guide to Using Rufus 1. Download Rufus Start by downloading Rufus from its official website: Rufus download page. Make sure to grab the latest version to ensure compatibility with new Linux distributions. ...

If you’ve ever worked with Docker Compose and encountered a situation where your container suddenly can’t see any files in a previously working mounted folder, you’re not alone. This issue can be especially frustrating when everything seems to work fine on the initial deployment, only to break inexplicably after redeploy. The Problem When a folder is bind-mounted into a Docker container using Docker Compose, it works correctly during the initial deployment. However, after a redeploy — particularly when triggered by automation tools like Portainer — the mounted folder inside the container becomes empty. ...