docker

Using Docker Volumes for SQL Server in Linux

No, not that kind of volume! Over the past couple of blog posts, I have been talking about the versatility of deploying SQL Server with...

Docker Fundamentals (What is the Docker and Docker Applications)

First of all, I prepared a tutorial and tried to explain how Docker works in...

Choosing the right architectural fit, Serverless, Containers, Microservices - .NET

Recently our company has inherited a new project which we tend to rewrite from...

Docker-compose for MySQL with phpMyAdmin

Docker-compose is an useful utility for managing multi-container docker applications. In our previous tutorial, I had discussed about the...

How to Install Docker on CentOS

Installing Docker on Ubuntu is simple because Ubuntu provides Docker in its repositories. However, Docker is not available in CentOS's...

Scaling # of docker containers in AWS elastic beanstalk per EC2 instance [app architecture]

I have a dockerized data application which runs long calculations and doesn't have much flexibility with multi-threading or async, thus multiple users is a growing problem. The docker image currently runs on Elastic...

How GitLab’s Single Application for the Entire DevOps Lifecycle Simplified Optoro’s Mish-Mash of DevOps Tools

The recent coronavirus pandemic is responsible for a significant jump in online retail shopping as people were required to stay at home under shelter-in-place orders and non-essential businesses shuttered their...

Escaping Docker Privileged Containers

Why you should not run Docker with the “privileged” flagPhoto by freestocks on UnsplashPrivileged Docker containers are containers that are run with the --privileged flag. Unlike regular containers, these...

How to Install Nginx and Let’s Encrypt with Docker – Ubuntu 20.04

How to Install Nginx and Let’s Encrypt with Docker – Ubuntu 20.04. In this guide you are going to learn how to install and configure Nginx with Let’s Encrypt SSL using Docker and Docker Compose on Ubuntu 20.04. In...

How To Setup Your Local Node.js Development Environment Using Docker

Docker is the defacto toolset for building modern applications and setting up a CI/CD pipeline – helping you build, ship and run your applications in containers on-prem and in the cloud. Whether you’re running on...

Optimizing VS Code Dev Containers on Windows

Improving disk performance in your dev container environment with named volumesPhoto by Toa Heftiba on Unsplash.What Are VS Code Dev Containers?Visual Studio Code Remote Containers is a VS Code extension that solves...

Why Docker?

What Are Microservices? Before discussing Docker, it is important for you to understand what microservices are. Consider a very large application that is broken down into smaller services. Each of those services can be...

Docker-compose with Persistent MySQL Data

It is importent to keep data persistent for containers running databases. Docker provides you option to keep database files persistent over the docker volumes or storing files directly on host machine. Use one of the below options to keep MySQL data persistent even after recreating or deleting docker containers. Option 1 – Storing MySQL Data on Docker Volumes The Docker volumes are preferred mechanism by the Docker for storing...

Learn Docker in a Month of Lunches

Author: Elton StonemanPub Date: 2020ISBN: 978-1617297052Pages: 500Language: EnglishFormat: PDFSize: 61 Mb Go from zero to production readiness with Docker in 22 bite-sized lessons! Learn Docker in a Month of...

Deploying Python script to Docker container and connect to external SQL Server(in 10 minutes)

Dockerize your Python script and connect to external SQL ServerHaving looked over many links and tutorials I decided to write a simple guide on how to deploy a Python script to a Docker container and then connect to an...

Configuring MySQL with CircleCI

Introduction In this article, we explained how to configure more than one data source in a Spring Boot Application. The source repository for the article uses CircleCI for CI builds. To build the source code, we needed...

How to Stop All Docker Containers Using Ansible

Ansible has many modules for automating your Docker host, containers, volumes, networks, etc. If you want to stop your running Docker containers, you can do that as well. In this article, I am going to show you how to...

Docker and Kubernetes — root vs. privileged

Docker and Kubernetes — root vs. privilegedMost of us that are familiar with a Unix system, like macOS or Linux, are used to casually elevating our privileges to the root user through the use of sudo . Usually...

Three Azure-Native Storage Options for Azure Kubernetes Service

Azure Kubernetes Services (AKS) is one of the most versatile platforms on Azure. It can be tailored to run just about any kind of workload that you can throw at it ranging from a simple website to big data that requires...

centos7 uses docker to build the running environment and deploy jar

*First, there is a clean CentOS 7 environment 1. To install docker, you need to use Yum to pull it, so get the yum source first. yum install -y yum-utils device-mapper-persistent-data lvm2 Add docker warehouse location for yum source yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo Install docker yum install docker-ce Start docker systemctl start docker 2. Start to build the environment after...

Kafka, for your data pipeline? Why not?

Create a streaming pipeline using Docker, Kafka, and Kafka ConnectWhat we are building in this projectKafka was developed and open-sourced by LinkedIn in 2011, and it has since quickly evolved from messaging queue to...

Building K8S cluster of EMQ X MQTT server from scratch

EMQ X Team provides Helm chart for users to deploy EMQ X on kubernetes cluster with one click MQTT server This is the most recommended method of deploying EMQ X MQTT server on kubernetes or k3s cluster by EMQ X Team. This paper will use the method of handwritten yaml file to deploy a K8S cluster of EMQ X MQTT server from scratch, and analyze the details and skills in the deployment, so as to facilitate users to use flexibly in the...