Comparing Docker Container and Docker Images

The following article on Comparing Docker Containers and Docker Images, explains how docker containers differ from docker images. Basically, docker containers are lightweight, portable, and executable packages that contain all the components that an application requires to run, including the application code, runtime environment, system libraries, and dependencies. Also, we create the containers from Docker …

Working with Docker Containers – Start, Stop, and Restart

The following article on Working with Docker Containers explains how to start, stop, and restart docker containers. To start, stop, and restart Docker containers, you can use the “docker container” command. Here are some examples: Start Command: This command starts a stopped container with the specified name. Stop Commnad: This command stops a running container …

How to Use Docker Compose to Manage Multi-container Applications?

The following article describes How to Use Docker Compose. Also, it explains how to use it for managing multi-container applications. Basically, docker Compose is a tool that allows you to define and manage multi-container Docker applications. It uses a YAML file to define the services, networks, and volumes for the application and provides a command-line …

How to Configure Docker Networking?

The following article explains How to Configure Docker Networking. Configuring Docker networking is an important step in deploying and managing Docker containers. Here are some of the ways to configure Docker networking: Default bridge network: By default, Docker creates a bridge network named “bridge” when it is installed. This network allows containers to communicate with …

How to Troubleshoot Issues with Docker Containers?

The following article explains how to Troubleshoot Issues with Docker Containers. Troubleshooting issues with Docker containers can be a challenging task, but there are several steps you can follow to identify and resolve the issue: Check container logs: The first step in troubleshooting issues with Docker containers is to check the container logs. You can …

How to Secure Docker Containers and Images?

The following article explains How to Secure Docker Containers and Images. In fact, securing Docker containers and images is an important aspect of using Docker in production environments. The following list shows some best practices for securing Docker containers and images. Use official images. Use official Docker images whenever possible, as they are more likely …

How to Perform Form handling Using Struts?

The following article describes Form handling Using Struts. In order to perform form handling using Struts you need to follow these steps. Set up the development environment: You will need to set up a Java development environment and install Struts libraries. Create a new Struts project: Use a Struts project template to create a new …

A Struts Application for Form Handling

The following article describes A Struts Application for Form Handling. In order to understand how a struts application works with a form, we create an application for the same. The following problem statement, we use here. An HTML form for a Cultural Event accepts these fields: Team title, event name like solo singing, group singing, …

Insert and Display Records Using HTTP Servlet

The following article describes how to Insert and Display Records Using HTTP Servlet. Basically, here we have the following problem. Insert and Display Records Using HTTP Servlet in a database with the name WBPResult with table SecondSemResult. Further, a row with the student name “Anmol”, Enrolment No. “1212347822”, Internal Marks=16, and external marks = 47. …

Improving User Engagement with HTTP Servlets and Session Tracking

In this article on Improving User Engagement with HTTP Servlets and Session Tracking, I will explain session tracking with Http Servlets using a real-life example. So, this example creates an HTTP servlet for a Pet Store to perform session tracking of a user who logs in with an email id, password, and OTP and purchases …