August 9, 2024
Docker Hub to Container : Pull , Run and Deploy Step-by-step tutorial Pull Image from Docker Hub: command - docker pull repositoryname/imagename example: docker pull saifosys/saifosys:2.1.2-release Here the first saifosys is the repository name and the second saifosys is the image name followed by :2.1.2-release the tag name. The command docker pull saifosys/saifosys:2.1.2-release is used...
August 6, 2024
Docker Architecture The architecture used by Docker is client-server model. When building, running, and distributing the docker containers, the Docker daemon and the Docker client communicate. A remote connection can be established between the Docker client and daemon, or they can operate simultaneously on the same system. A UNIX socket or a network is used...
Comparison of Traditional infrastructure vs virtualization vs Docker containers Traditional VirtualizationContainersTraditionally, apps were deployed and operated on physical servers by organizations. This approach while simple had many limitations.1.Time Consuming2.Scaling problems3.Compatibility and Dependency issues4.Inconsistency across different environments.5.Overutilization by one app could crash the entire system6.Expensive to maintain physical serversVirtual Machine provides an abstraction of the physical hardware. A Hypervisor allows multiple Virtual Machines (VM)...
July 30, 2024
AWS Tutorial: Set Default Region in AWS Console Learn how to set a default region in the AWS console, saving you time and effort when working with AWS services. This quick tutorial guides you through the process, ensuring you can focus on your projects without region-related hassles. Follow along and boost your AWS productivity To...
July 29, 2024
How to configure AWS on Windows for multiple accounts in Windows https://www.youtube.com/watch?v=z-UwWhwiB3o As a developer or DevOps engineer, managing multiple AWS accounts is a common scenario. You may have separate accounts for development, testing, and production environments or for different projects. When working with Terraform, a popular infrastructure-as-code tool, configuring AWS credentials on your Windows...
Codeigniter 4 - Session library with Example Configuring the Session Library - Open the app/Config/Session.php file. - Set the driver to the session driver you want to use (e.g. CodeIgniter\Session\Handlers\FileHandler). - Set the sessionName to the name of the session cookie. Example: public $driver = 'CodeIgniter\Session\Handlers\FileHandler'; public $sessionName = 'ci_session'; Starting a Session - Use...
Codeigniter 4 - Upload image with Example Configuring the Upload Library - Open the app/Config/Upload.php file. - Set the allowedTypes to the types of files you want to allow. - Set the maxSize to the maximum file size. Example: public $allowedTypes = ['jpg', 'png', 'gif']; public $maxSize = 1024; // 1MB Creating the Upload Form...
Codeigniter 4 - Form Validation with Example Validation Rules - Required: required - Valid Email: valid_email - Min Length: min_length[5] - Max Length: max_length[10] - Exact Length: exact_length[5] - Alpha: alpha - Alpha Numeric: alpha_numeric - Numeric: numeric - Integer: integer - Decimal: decimal - Greater Than: greater_than[5] - Less Than: less_than[10] - In List:...
Codeigniter 4 - Creating Form for Validation with Example Creating a Form - Create a new file in the app/Views directory. - Use HTML to create the form. Example: <form action="<?= site_url('form/submit') ?>" method="post"> <label for="name">Name:</label> <input type="text" name="name" id="name"><br><br> <label for="email">Email:</label> <input type="email" name="email" id="email"><br><br> <input type="submit" value="Submit"> </form> Creating a Validation Class -...
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