Docker registries provide locations for storing and downloading images. 

Docker daemon or Docker engine represents the server. The docker daemon and the clients should be run on the same or remote host, which can communicate through command-line client binary and full RESTf Read More

A Docker image helps in creating Docker containers. We can create the Docker image with the build command; due to this, it creates a container that starts when it begins to run. 

Docker provides various features, some of which are listed and discussed below.

Docker has so many advantages over other containerized application, key advantages are given below

A containerization is a form of virtualization through which applications are run in containers (isolated user spaces) all using a shared OS.

Docker is an open-source lightweight containerization technology. It has gained widespread popularity in the cloud and application packaging world. It allows you to automate the deployment of applications in lightweight and portable containers.

A lambda function is an anonymous function in PHP used to store a variable and passed as an argument to other functions.

Constructor is used to initializing the instance of a class automatically when the object is created.

setcookie() function with an expiration date in the past is used for deleting a cookie.

urlencode is the PHP function that is used to encode a string that would be used in a query part of a URL.

The Null Coalesce Operator is used to replace the ternary operation in conjunction with isset() function.

The stdClass is the empty class that is used to cast other types to object in PHP.

-H flag is used to pass the data in the header while using the header with curl.

The ``== `` operator casts between two different types if they are different. The `` === `` operator performs a typesafe comparison i.e. it will only return true if both operands have the same type and value.