Open Policy Agent Rego Language In Practice
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Open Policy Agent Rego Language In Practice
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Author : William Smith
language : en
Publisher: HiTeX Press
Release Date : 2025-07-12
Open Policy Agent Rego Language In Practice written by William Smith and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-12 with Computers categories.
"Open Policy Agent Rego Language in Practice" Open Policy Agent Rego Language in Practice is a comprehensive guide for engineers, architects, and security professionals seeking mastery over policy-as-code in modern, cloud-native environments. Beginning with foundational concepts, the book delivers clear explanations of why and how policies are codified, the underlying architecture of OPA, and the essential features of the Rego language. Readers are guided through policy lifecycles, secure policy authoring, and the intricate considerations necessary to minimize risk while enabling scalable policy enforcement across complex systems. Delving deep into the Rego language, the book explores advanced syntax, semantics, and best practices for policy modeling, modularity, and abstraction. Through hands-on chapters, it addresses robust techniques for designing declarative, maintainable policies, managing data inputs, and composing sophisticated policy chains—all while fostering adaptability to evolving requirements. Detailed discussions on performance engineering, scalability, and error diagnostics further equip practitioners to deploy OPA at scale, supporting high-traffic microservices, data-centric workloads, and cross-cloud governance. The later sections transition seamlessly from technical mastery to practitioner assurance and applied security. Subjects such as policy testing, auditing, and formal verification are paired with real-world case studies covering fine-grained authorization, infrastructure security, and multi-cloud strategies. Rounding out the guide, readers are introduced to the OPA ecosystem, industry best practices, and the latest research directions in policy language evolution, formal assurance, and AI-driven governance. This book stands as an authoritative reference for harnessing the power and versatility of OPA and Rego in today’s dynamic infrastructure landscape.
Eslint Configuration And Best Practices
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-19
Eslint Configuration And Best Practices written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-19 with Computers categories.
"ESLint Configuration and Best Practices" In "ESLint Configuration and Best Practices," readers are guided through the intricate world of JavaScript linting, from foundational principles to cutting-edge developments. The book opens with a historical perspective on linting, charting ESLint’s rise as the premier tool in the JavaScript ecosystem and offering a deep dive into its modular architecture, design philosophy, and the static analysis techniques that underpin its effectiveness. Through technical comparisons to tools like TSLint, JSHint, and Prettier, as well as practical guidance on tooling integration, the opening chapters establish a solid grounding for both newcomers and experienced developers seeking to optimize their workflow. Progressing into advanced configuration concepts, the book provides a detailed exploration of ESLint’s flexible configuration systems, including inheritance, overrides, and environment scoping. Readers will uncover strategies for scaling ESLint across massive, diverse codebases—whether working with modern JavaScript, TypeScript, or complex hybrid projects that leverage frameworks like React, Vue, and Angular. Special attention is paid to writing custom rules, handling plugin architectures, and navigating the challenging terrain of rule conflicts, performance considerations, and secure plugin management. Comprehensive case studies illustrate successful integrations in both open-source and enterprise contexts. Recognizing the multifaceted role of linting in today’s software pipelines, this book also delves into automation, continuous integration, and security enforcement. Chapters on CI/CD integration, code quality metrics, and codebase sharding provide actionable insights for maximizing lint velocity without sacrificing developer experience. The concluding sections look toward the future of linting: from AI-driven assistance and in-editor intelligence to the expanding influence of linting in multi-language environments and secure software supply chains. "ESLint Configuration and Best Practices" is an indispensable resource for teams and individuals committed to building reliable, maintainable, and secure JavaScript applications at any scale.
Config Best Practice
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Author : Alisa Turing
language : en
Publisher: Publifye AS
Release Date : 2025-02-22
Config Best Practice written by Alisa Turing and has been published by Publifye AS this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-22 with Computers categories.
""Config Best Practice"" addresses the critical need for effective configuration management in today's complex IT environments. The book emphasizes standardization, validation, and automation as key pillars for maintaining stability, security, and scalability. Learn how automation streamlines configuration tasks, reducing manual effort, and how validation guarantees the correctness of configurations before deployment, minimizing disruptions. This book uniquely blends theoretical concepts with actionable guidance, offering real-world examples suitable for varied IT roles. It begins with foundational principles, explores configuration file formats, and tackles challenges of managing configurations at scale. Later sections delve into standardization techniques, validation methods, and automation tools like Ansible and Terraform. Case studies and best practices illustrate successful implementations, providing a pragmatic approach to improved IT environments and business agility.
Activerecord Patterns And Practices
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-13
Activerecord Patterns And Practices written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-13 with Computers categories.
"ActiveRecord Patterns and Practices" "ActiveRecord Patterns and Practices" is a comprehensive and authoritative guide that demystifies the ActiveRecord architectural pattern, a linchpin of modern object-relational mapping (ORM) in software development. Through a careful exploration of its historical evolution, design foundations, and critical comparisons with alternative ORM strategies, the book establishes a nuanced understanding of how ActiveRecord simplifies persistence, encapsulates business logic, and integrates seamlessly with contemporary software architectures such as microservices and hexagonal designs. Diving deeper, the book addresses the complexities of entity modeling, relationship mapping, and lifecycle management, arming readers with advanced techniques for handling polymorphic associations, nested object graphs, and cyclical data. Thoughtful coverage of validation strategies, state machines, callbacks, and modularization patterns equips practitioners to write robust, maintainable domain logic, while in-depth chapters on querying, schema management, scalability, and distributed data tackle the practical challenges of building high-performance, large-scale applications. Rounding out its scope, "ActiveRecord Patterns and Practices" delivers essential guidance on security, compliance, testing, and operational excellence—covering defenses against SQL injection, integration of access controls, auditability, and automation of migrations and deployments. The final chapters illuminate extension points, integrations with APIs, event-driven architectures, and future trends, making this book an indispensable resource for software engineers and architects seeking to master ActiveRecord and leverage its patterns for resilient, efficient, and adaptable systems.
Mastering Open Policy Agent
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Author : Robert Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-01-01
Mastering Open Policy Agent written by Robert Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-01-01 with Computers categories.
"Mastering Open Policy Agent: Policy-Based Control for Modern Systems" is an essential guide for IT professionals seeking to implement robust policy management within their technology environments. This comprehensive resource explores Open Policy Agent (OPA), an open-source, policy-as-code framework that empowers organizations to enforce consistency, security, and compliance across diverse systems. Through clear explanations and practical insights, readers gain a deep understanding of OPA's architecture, its powerful Rego language, and the practical application of policies in real-world scenarios. The book systematically presents foundational concepts, detailed setup guides, and advanced techniques to equip readers with the skills needed to integrate OPA seamlessly into various technological domains, including Kubernetes, cloud services, and microservices architectures. By addressing complex topics such as distributed policy enforcement, dynamic policy execution, and optimization strategies, this book is designed to meet the needs of both novices and seasoned practitioners. Whether enhancing security, automating compliance, or streamlining governance processes, readers will discover how to leverage OPA to build scalable, reliable, and adaptable policy solutions for modern IT challenges.
Argo Cd In Practice
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Author : Liviu Costea
language : en
Publisher: Packt Publishing Ltd
Release Date : 2022-11-18
Argo Cd In Practice written by Liviu Costea and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-18 with Computers categories.
Build CD pipelines following GitOps principles like declarative and immutable changes stored in version control, all continuously reconciled by Argo CD, and minimize the failure of deployments. Purchase of the print or Kindle book includes a free eBook in the PDF format. Key FeaturesDiscover how to apply GitOps principles to build real-world CD pipelinesUnderstand Argo CD components and how they work together to reconcile cloud native applicationsLearn to run Argo CD in production with declarative config changes, security, observability, disaster recovery, and moreBook Description GitOps follows the practices of infrastructure as code (IaC), allowing developers to use their day-to-day tools and practices such as source control and pull requests to manage apps. With this book, you'll understand how to apply GitOps bootstrap clusters in a repeatable manner, build CD pipelines for cloud-native apps running on Kubernetes, and minimize the failure of deployments. You'll start by installing Argo CD in a cluster, setting up user access using single sign-on, performing declarative configuration changes, and enabling observability and disaster recovery. Once you have a production-ready setup of Argo CD, you'll explore how CD pipelines can be built using the pull method, how that increases security, and how the reconciliation process occurs when multi-cluster scenarios are involved. Next, you'll go through the common troubleshooting scenarios, from installation to day-to-day operations, and learn how performance can be improved. Later, you'll explore the tools that can be used to parse the YAML you write for deploying apps. You can then check if it is valid for new versions of Kubernetes, verify if it has any security or compliance misconfigurations, and that it follows the best practices for cloud-native apps running on Kubernetes. By the end of this book, you'll be able to build a real-world CD pipeline using Argo CD. What you will learnUnderstand GitOps principles and how they relate to IaCDiscover how Argo CD lays the foundation for reconciling Git state with the cluster stateRun Argo CD in production with an emphasis on reliability and troubleshootingBootstrap Kubernetes clusters with essential utilities following the GitOps approachSet up a CD pipeline and minimize the failure of deploymentsExplore ways to verify and validate the YAML you put together when working with KubernetesUnderstand the democratization of GitOps and how the GitOps engine will enable its further adoptionWho this book is for If you're a software developer, DevOps engineer, or SRE who is responsible for building CD pipelines for projects running on Kubernetes and wants to advance in your career, this book is for you. Basic knowledge of Kubernetes, Helm, or Kustomize and CD pipelines will help you to get the most out of this book.
Systemd Nspawn In Practice
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-12
Systemd Nspawn In Practice written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-12 with Computers categories.
"Systemd-nspawn in Practice" "Systemd-nspawn in Practice" is a comprehensive guide designed for engineers, system administrators, and architects seeking to master Linux OS-level virtualization using systemd-nspawn. The book contextualizes systemd-nspawn within the rich history of containerization, dissecting its architecture, interaction with the Linux kernel, and security paradigms. It provides critical comparisons with other container technologies such as Docker and LXC, enabling readers to make informed decisions about deployment strategies and operational trade-offs. From foundational concepts to advanced orchestration, the text offers thorough, step-by-step coverage of system preparation, installation methods, container lifecycle management, and automation. Readers learn to implement robust security models leveraging namespaces, cgroups, and kernel security modules, along with deep dives into container networking—spanning veth topologies, network isolation, service exposure, and policy enforcement. Practical chapters walk through image building, distribution, and lifecycle management, while providing actionable guidance on performance tuning and high-availability best practices. The final sections tackle integration with enterprise architecture, including large-scale deployment, multi-tenancy, stateful workloads, and hybrid-cloud networking. By exploring recent innovations, troubleshooting methodologies, and real-world case studies, "Systemd-nspawn in Practice" offers both timeless principles and forward-looking insights for practitioners committed to reliable, scalable, and secure containerized environments on Linux.
Microk8s In Practice
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-05-30
Microk8s In Practice written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-30 with Computers categories.
"MicroK8s in Practice" **MicroK8s in Practice** is the definitive guide for engineers, architects, and technology leaders seeking to master Kubernetes at the edge, in development, and within hybrid cloud environments. Through methodical exploration of MicroK8s’ architecture, this book provides a deep dive into its unique design principles, resource optimization strategies, and modular snap-based packaging. Readers will gain a comprehensive understanding of core components, add-on internals, and the nuanced trade-offs that distinguish MicroK8s from upstream Kubernetes distributions—making it invaluable for those aiming to design scalable, resilient, and efficient platforms. Practical in scope and advanced in detail, the book addresses every stage of the MicroK8s lifecycle, from installation and initial cluster setup to multi-node orchestration, upgrades, disaster recovery, and persistent state management. It unpacks critical topics such as secure networking, storage integration, observability, and compliance—revealing strategies for service exposure, integrated monitoring, logging, and security best practices. Real-world patterns for workload orchestration, GitOps automation, serverless extension, and multi-tenancy empower readers to build flexible, production-ready Kubernetes solutions tailored for both cloud data centers and resource-constrained edge deployments. With a strong emphasis on troubleshooting, optimization, and operational excellence, **MicroK8s in Practice** presents actionable guidance for diagnosing and resolving complex issues, stress testing clusters, and upholding robust security postures. Readers will find exhaustive checklists, best practices, and design patterns for deploying MicroK8s in mission-critical environments. Whether you are developing edge applications, architecting hybrid cloud infrastructures, or leading a DevOps team, this book equips you with the expertise to confidently design, operate, and scale next-generation Kubernetes platforms with MicroK8s at their core.
Spiffe In Practice
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Author : William Smith
language : en
Publisher: HiTeX Press
Release Date : 2025-07-24
Spiffe In Practice written by William Smith and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-24 with Computers categories.
"SPIFFE in Practice" "SPIFFE in Practice" is an authoritative guide to modern, cloud-native identity management for distributed systems, focused on the Secure Production Identity Framework for Everyone (SPIFFE) and its reference implementation, SPIRE. Designed for architects, engineers, and security professionals, this book provides a comprehensive journey from the evolution of dynamic identity in the cloud era to the implementation and operation of SPIFFE in real-world environments. It explores the core principles of zero trust architectures and explains how SPIFFE sets itself apart from traditional approaches such as PKI and federated identity through robust identity, authentication models, and threat modeling unique to workload-to-workload trust. Across its detailed chapters, the book delves deep into the technical specifications and protocols underpinning SPIFFE, including X.509 and JWT SVIDs, attestation flows, trust bundles, and federation. Readers will gain actionable knowledge about deploying, extending, and scaling the SPIRE runtime on Kubernetes, hybrid, edge, and multi-cloud platforms. From policy automation and secrets management to disaster recovery and incident response, "SPIFFE in Practice" offers pragmatic guidance and best practices for securing identities in production at scale. Rich with architectural patterns, hands-on DevOps integration strategies, and illuminating case studies from global enterprise deployments, this book equips practitioners with the tools to migrate from legacy identity solutions, federate across organizational boundaries, and build future-proof zero trust infrastructures. Whether securing CI/CD pipelines, enabling cloud supply chain trust, or advancing enterprise compliance, "SPIFFE in Practice" stands as both a definitive reference and an indispensable field manual for anyone committed to modern identity-driven security.
Circleci In Practice
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-11
Circleci In Practice written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-11 with Computers categories.
"CircleCI in Practice" "CircleCI in Practice" is a definitive guide for engineering leaders, DevOps practitioners, and software teams seeking to master Continuous Integration and Continuous Delivery using CircleCI. With comprehensive coverage that starts from the evolution of DevOps pipelines to the nuances of advanced YAML configuration, this book demystifies CircleCI’s architecture, workflows, and role in cloud-native development. Real-world strategies are presented for onboarding projects, modeling complex pipelines, ensuring security, and integrating with tools across the modern software delivery ecosystem. The book delves into best practices for optimizing every aspect of your CI/CD processes, whether handling polyglot codebases, accelerating pipelines through caching and parallelization, or implementing robust quality gates. Readers will gain actionable insights into deployment automation, including cloud-native delivery, blue-green and canary releases, disaster recovery, and Kubernetes integration. Specialized chapters address scaling CircleCI for enterprise environments: managing microservices and monorepos, orchestrating cross-repository workflows, and provisioning dynamic ephemeral environments for secure and efficient testing. Going beyond setup and operation, "CircleCI in Practice" tackles observability, governance, security, and compliance—critical for organizations navigating regulatory demands and high reliability expectations. Through rigorous explorations of monitoring, policy automation, incident response, and access management, the book empowers teams to build resilient, auditable, and cost-optimized pipelines. Illustrated with real-world adoption case studies and actionable migration guides, it serves as an indispensable reference for teams intent on delivering secure, scalable, and high-quality software with CircleCI.