When working with Docker Compose, orchestrating multiple services can be a breeze. However, one common issue that arises is managing dependencies between services, particularly when one service relies on another service being fully operational before it can start. This dependency timing problem can lead to errors and instability in the system.

When managing a Docker-Compose setup, developers frequently find themselves in the predicament of monitoring logs across various containers simultaneously. This becomes increasingly complex as the number of containers grows, making it challenging to identify and debug issues efficiently. Resorting to the terminal for log tracking often leads to cluttered screens, difficulty in navigating between logs, and limited search capabilities. As a result, developers waste valuable time sifting through endless lines of output, trying to pinpoint the root cause of errors or anomalies.

In this post, we’ll explore how to extract the private key and certificate from a PFX file using OpenSSL.

In this blog post, we’ll go through the steps of installing PostgreSQL on an EC2 instance running Ubuntu 22.04, creating a user with superuser privileges, and importing a SQL dump file into the PostgreSQL database.

When it comes to designing layouts on the web, there are several methods to choose from. Two popular options are CSS flexbox and Bootstrap layouts. In this article, we will discuss the basics of CSS flexbox and compare it with Bootstrap layouts.

When it comes to testing TCP/UDP servers, netcat and telnet are two very useful tools. In this article, we will explore how to use these tools to create test clients and servers.

Pinia is a state manager for vue2/3 apps. On this post, we’re going to use it on a existing Vue2 app without composition-api yet (it’s highly recommend to migrate your app to use composition-api/setup). We’re going to create a very simple store to be used on a existing component

This script allows you to interactively explore a pandas dataframe by displaying the dataframe in pages and prompting the user to navigate through the pages using the “n” and “p” keys.

When working with JavaScript code that doesn’t have any TypeScript types defined, we can still handle the objects by creating TypeScript types that describe their shape.

Imagine you’re a experienced NodeJS developer and are starting to learn golang. Once you’ve learned the basic language concepts, soon or later you’ll need to use some package and how it works.

This blog is built on top of Jekyll, that handle .md files as the default format to its posts. But here, every post in this blog is written as an org-mode file.