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# Specifications as the better way of software development

Treating API contracts as an afterthought creates severe frontend bottlenecks. Adopting a strict specification-first workflow allows you to automate boilerplate generation and drastically accelerate your delivery.

- **Speakers:** [Artem Manchenkov](https://www.wearedevelopers.com/@artem-manchenkov)
- **Event:** World Congress 2024
- **Published:** August 20, 2024
- **Duration:** 29:31
- **URL:** https://www.wearedevelopers.com/videos/1046-specifications-as-the-better-way-of-software-development

## Summary

While software engineering is historically seen as "the art of turning specifications into miracles," traditional development lifecycles regularly treat API contracts as an afterthought. Most framework packages reverse the ideal workflow by extracting documentation from already-written server code. Unfortunately, this embedded "code-first" complacency directly contributes to broken downstream workflows, causing API contract inconsistencies, bottlenecked frontend engineers, and slower times to market. By actively adopting a true "specification-first" mindset, teams can utilize definitions as the initial blueprints to make the software, ensuring that cross-functional teams begin their tasks simultaneously without encountering rigid blockages.

Shifting to generating structural boilerplate directly from a specification drastically improves the fundamental developer experience. Open-source tools like OpenAPI Generator or go-swagger allow engineers to automatically scaffold server stubs, SDK clients, and functional test cases directly from centralized declarative templates. This methodology removes the chore of writing manual endpoint bindings. Importantly, this standard is not restricted to standard REST APIs; frameworks like AsyncAPI empower matching declarative control for asynchronous event streams like Kafka, pointing toward a future where infrastructure like shared storage, telemetry, and access restrictions are handled entirely through abstract specifications.

Transitioning to these strictly contract-driven workflows immediately yields accelerated quality assurance, minimized communication overhead, and generally happier developers working with reduced manual coding scopes. However, reverse-engineering legacy monolithic systems into these templates often introduces immense friction. When adopting code-generation principles, scaling incrementally by enforcing the standard on a single new microservice generally proves more successful than executing a massive retroactive migration. Prioritizing robust automation and remembering that "done is better than perfect" removes the intimidation factor of implementing language-specific code generators.

**Keywords:** openapi specification workflows, specification-first development, api contract inconsistencies, code generation tooling, openapi generator framework, asyncapi messaging architectures, automated testing stubs, swagger-codegen architectures, legacy monolith integration, cross-functional team blocking, schema-driven server implementation, boilerplate code reduction, microservice api scaffolding, syncing frontend backend configurations, developer experience optimization

## Chapters

1. **Defining the exact role of specifications in software** (00:02) — Detailed technical specifications function as concrete blueprints rather than mere operational documentation.
1. **Designing microservices with the OpenAPI specification workflow** (07:54) — Structuring API frameworks with initial architectural documents ensures scalable cross-team implementation workflows.
1. **Why manual specification updates fail in software teams** (10:46) — Divergent manual workflows inherently trigger unstable endpoint contracts and halt critical engineering tasks.
1. **Generating API specifications from backend code base frameworks** (16:26) — Popular backend routing libraries prioritize auto-generating documentation from endpoints instead of pre-planning structures.
1. **Automatically generating code directly from initial technical specifications** (18:32) — Sourcing dedicated packages automatically compiles structural server stubs and eliminates tedious syntax typing.
1. **Expanding code generation beyond standard HTTP component APIs** (22:24) — Replacing verbose storage connectivity functions with declarative resources completely eliminates internal boilerplate complexity.
1. **Practical recommendations for enforcing strict specification development models** (24:28) — Gradually isolating architectures with programmatic code limitations radically enhances scaling software projects.
1. **Refactoring legacy software monoliths using structural planning rules** (26:09) — Incremental validation of decoupled application nodes provides safe migration pathways for unsupported backend systems.

## Related Moments

- [Automating open API specifications for living digital documentation contracts](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) (from "API = Some REST and HTTP, right? RIGHT?!")
- [Transitioning to specification-centric artificial intelligence development](https://www.wearedevelopers.com/videos/1330-the-power-of-prompting-with-ai-native-development-simon-maple) (from "The Power of Prompting with AI Native Development - Simon Maple")
- [Adopting API-first development to build cohesive systems](https://www.wearedevelopers.com/videos/1932-for-the-rest-of-us-api-first-and-conway-s-law) (from "For the REST of us: API First and Conway’s Law")
- [Automating documentation and code generation with OpenAPI standards](https://www.wearedevelopers.com/videos/759-awful-apis-a-history-lesson-in-industry-mistakes-and-mishaps) (from "Awful APIs: A History Lesson in Industry Mistakes and Mishaps")
- [Addressing prompting challenges with spec-driven development projects](https://www.wearedevelopers.com/videos/1832-building-and-modernising-apps-with-agentic-ai-julia-kordick) (from "Building and Modernising Apps with Agentic AI - Julia Kordick")
- [Designing complex software architecture in the era of AI](https://www.wearedevelopers.com/videos/1365-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) (from " WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney")

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