21 items
SecurityA good production image is small, non-root, has no shell, is scanned and is signed. This article covers Docker/OCI image hardening techniques together with a Cosign keyless signing workflow using GitHub OIDC.
Duy Tran9 min
BackendDetailed instructions for building a complete AI Agent Platform with xClaw — TypeScript monorepo supporting Multi-LLM, RAG Pipeline, Workflow Engine, 13 Domain Packs, Multi-tenant RBAC, MCP Protocol and 8 Chat Channels. From Dual-Database architecture to deploying Docker production.
Duy Tran45 min
DevOpsDetailed instructions for installing Harbor - private Docker registry on Ubuntu 24.04, including HTTPS, security, backup and best practices.
Duy Tran10 min
Comprehensive course on AI Agent Engineering — from Python & ML foundation, NLP & LLMs (LLaMA, Mistral, Qwen, Phi), RAG with Vector DB (FAISS, Milvus, Pinecone), to building AI Agent systems with LangChain, LlamaIndex, CrewAI, LangGraph. Practice Fine-tuning, Prompt Engineering, Tool Calling, Multi-Agent. Deploy production with FastAPI, Docker, Microservices, MLOps, CI/CD on AWS/Azure/GCP. Fully meets AI/ML Engineer recruitment requirements at leading technology companies.
A hands-on series on building a complete Microservices system with Quarkus 3.x — the "Supersonic Subatomic" Java framework designed specifically for Cloud Native and Kubernetes. Using PostgreSQL as main database, Keycloak for Authentication & Authorization (OIDC), Apache Kafka for Event-Driven Communication, gRPC for high-performance inter-service. From creating your first project with Dev Services, building a REST API with Panache, to deploying production on Kubernetes with GraalVM Native Image. Includes Fault Tolerance, OpenTelemetry Observability, Contract Testing, CI/CD Pipeline and Production Readiness Checklist. Actual project: E-Commerce Platform system includes 5 microservices.
Step-by-step instructions for building a medical information system (HIS/EMR/LIS) with Microservices architecture using Quarkus, PostgreSQL and Keycloak. Compliant with HIPAA, HL7 FHIR, Zero Trust security standards. From architectural design, building services, decentralization, data encryption, audit logging to production deployment on Kubernetes. Each article has practical code, ready to be applied to hospitals and medical facilities.
Comprehensive Django course from basic to advanced, helping you master the most powerful full-stack Python framework. Includes Django ORM, Django REST Framework, Class-Based Views, Authentication, Celery, Channels (WebSockets), Testing, Docker and Production deployment. Updated to Django 5.2+ and Python 3.12+ with the latest 2026 best practices.
Comprehensive Golang course from basic to advanced, helping you master the Go language and build high-performance backends. Includes Go fundamentals, Goroutines, Channels, Gin/Fiber framework, GORM, gRPC, Microservices, Testing, Docker and Production deployment. Updated to Go 1.23+ with generics, iterators and the latest 2026 best practices.
The Laravel course is comprehensive from basic to advanced, helping you master the world's most popular PHP framework. Includes Eloquent ORM, Blade Templates, Laravel API (Sanctum/Passport), Queues, Events, Broadcasting, Livewire, Testing, Docker and Production deployment. Updated to Laravel 12+ and PHP 8.4+ with the latest 2026 best practices.
The Node.js Core course is comprehensive from basic to advanced, helping you deeply understand the Node.js runtime regardless of the framework. Including Event Loop, Streams, Worker Threads, Cluster, HTTP/2, Crypto, File System, Child Processes, Native Modules, Performance Profiling. Updated to Node.js 22 LTS with the latest 2026 best practices.
The Python FastAPI course is comprehensive from basic to advanced, helping you master the most modern Python framework for Backend API. Includes Python fundamentals, Pydantic, async/await, SQLAlchemy, Alembic, Authentication, Authorization, OAuth2, WebSockets, Background Tasks, Testing, Docker and Production deployment. Updated to FastAPI 0.115+ and Python 3.12+ with the latest 2026 best practices.
Comprehensive Rust course from basics to advanced, helping you master the safest and most performant programming language. Includes Ownership, Borrowing, Lifetimes, Traits, Async/Await, Actix-web/Axum, SQLx, gRPC, WebAssembly, Testing and Production deployment. Updated to Rust 2024 edition with the latest 2026 best practices.
Comprehensive series on Cloud Native Microservices architecture — from container platforms, Kubernetes, microservices design principles (DDD, Bounded Context), communication models (REST, gRPC, Event-Driven), to Data Management (CQRS, Saga, Event Sourcing), Service Mesh, Observability, Resiliency Patterns, CI/CD GitOps and Security. Combine solid theory with practical architecture for production systems.
The HashiCorp Vault course is comprehensive from basic to advanced, helping you master Secret Management, Encryption as a Service, Dynamic Credentials and Identity-based Security. From installing and configuring Secrets Engines (KV, PKI, Transit, Database, AWS, SSH), Auth Methods (Token, Userpass, AppRole, LDAP, OIDC, Kubernetes), Policies, to advanced topics such as Integrated Storage (Raft), High Availability, Auto-unseal, Vault Agent, Vault Secrets Operator, Enterprise features (Namespaces, Sentinel, Replication, DR), monitoring and production operations. Updated to Vault 1.21.x (latest version 2026), including SPIFFE auth, MFA TOTP self-enrollment, KV v2 version attribution and enterprise security best practices.
The NestJS course is comprehensive from basic to advanced, helping you master the most modern Node.js framework for the backend. Includes TypeScript, Dependency Injection, Modules, Controllers, Providers, TypeORM, Prisma, Authentication, Authorization, Guards, Interceptors, Pipes, WebSockets, GraphQL, Microservices, Testing, Docker and Production deployment. Updated according to NestJS 11+ and the latest 2026 best practices.
A hands-on series on building a complete AI Agent Platform using TypeScript — from monorepo design, LLM Router, Tool Registry, RAG Pipeline, Workflow Engine, Multi-tenant RBAC to deploying Docker production. Learn through the actual source code of xClaw — an open-source platform running in production.
The Keycloak course is comprehensive from basic to advanced, helping you master Identity and Access Management (IAM) from installing and configuring Realms, Users, Roles, Clients, to advanced modules such as Identity Brokering, User Federation (LDAP/AD), Authentication Flows, Authorization Services, Multi-Factor Authentication, Organizations, Workflows, Passkeys, and integrating with real applications. Updated to Keycloak 26.x (latest version 2026) running on Quarkus, including production operations, High Availability, Kubernetes Operators and enterprise security best practices.
Comprehensive Docker course from fundamentals to advanced level, helping you master container technology from the first concepts to real-world production deployment. Covers Dockerfile, Docker Compose, Networking, Storage, Security, CI/CD, Docker Swarm, Microservices and best practices for enterprise environments. Updated with Docker Engine 27+ and modern container technologies as of 2026.
In-depth course on MLOps and LLMOps — the art of bringing AI models from prototype to production safely and effectively. From experiment tracking, CI/CD for ML, to LLM observability, cost optimization, guardrails, and compliance. Highest paying skills in AI.
Comprehensive basic to advanced Kubernetes course for 2026, helping you master container orchestration, deploy production-ready applications, and prepare for CKA/CKAD certification. Updated to Kubernetes 1.32+ with Gateway API, Cilium, OpenTelemetry, Helm 4, Sidecar containers GA, ValidatingAdmissionPolicy, and AI/ML workloads.
Nginx Master Course: From Zero to Hero is a comprehensive course that helps you master Nginx from the most fundamental concepts to advanced techniques in real-world production environments.