Overview

If you're a Rust developer aiming to build production-ready web services, from fast HTTP APIs to resilient microservices, this book is your all-in-one, hands-on companion. You'll master professional workflows, cutting-edge crates, and end-to-end projects that prove each concept in practice. Read about high-performance coding, then deploy, observe, and scale confidently in any cloud environment. Inside, You'll Build and Master: A rock-solid project template with Cargo workspaces, environment-specific configs, and supply-chain checks (cargo fmt, cargo clippy, cargo audit). A blazing-fast REST API with Actix-Web: structured routing, middleware, Serde validation, custom error types, and full test coverage. A rapid-prototyping web app with Rocket: declarative routes, request guards, fairings, Tera templating, and static asset serving. Async endpoints and unified error handling: async/await routes, thiserror enums, global catchers, and end-to-end integration tests. Database layers with SQLx, Diesel, and SeaORM: compile-time SQL checks, connection pooling, migrations, and cross-crate abstractions. Robust schema design and migrations: naming conventions, primary key strategies, one-to-many and many-to-many modeling, plus zero-downtime evolution patterns. Caching and CQRS patterns: in-process LRU with dashmap, Redis for distributed cache, command/query segregation, and event-sourcing projections. Comprehensive testing strategies: unit tests with in-memory SQLite, integration tests via Testcontainers, HTTP mocks, and code coverage with Tarpaulin. Service contracts and API definitions: OpenAPI generation (utoipa), gRPC with Protobuf and tonic, versioning policies, and contract testing. Inter-service communication: robust HTTP clients (reqwest), gRPC stubs, RabbitMQ messaging with lapin, plus resilience middleware for retries and circuit breakers. Resilience and fault tolerance: timeouts, exponential backoff, Tower-based circuit breakers, bulkheads with semaphores, chaos-engineering experiments, and fallback strategies. Service discovery and API gateway: Consul integration, client-side vs server-side discovery, and a custom Actix-Web proxy for routing, auth, rate limiting, and tracing. Performance tuning: profiling with Flamegraph, Actix and Rocket optimizations, Tokio thread-pool sizing, database query analysis, and multi-layer caching. Containerization and orchestration: Docker multi-stage builds, Docker Compose for local stacks, Kubernetes manifests (Deployments, Services, ConfigMaps, Secrets), Helm charts, and health probes. CI/CD pipelines: GitHub Actions and GitLab CI examples for formatting, linting, testing, multi-arch Docker builds, secure deployments, automated rollbacks, and failure triggers. Observability and tracing: Prometheus metrics, Grafana dashboards, tracing spans, OpenTelemetry exporters, Jaeger integration, and log-trace correlation. Why Choose This Guide? Learn by doing real-world projects that you can deploy, extend, or integrate immediately. Gain both deep framework know-how and production best practices across the entire stack. Future-proof your skills with microservices architecture, security-focused pipelines, and observability. Think like both a developer and an operator-build, test, deploy, and monitor with confidence. Ready to transform your Rust skills into rock-solid, production-ready web services? Grab your copy today and start building systems that scale, perform, and withstand real-world demands.

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