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monica-business-modular-monolith

Structure Monica solutions into a DDD modular monolith with bounded contexts.

13|6|Updated Feb 19, 2025
Search Tags:#architecture#ddd#bounded-context#modular-monolith#solution-structure#monica#platform-protocol
One-click install
npx skills add https://github.com/Tairitsua/Monica --skill monica-business-modular-monolith
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: monica-business-modular-monolith
Source: https://github.com/Tairitsua/Monica/tree/main/.claude/skills/monica-business-modular-monolith
Command: npx skills add https://github.com/Tairitsua/Monica --skill monica-business-modular-monolith

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill helps teams avoid anemic or entangled solution layouts by prescribing a domain-first modular monolith structure for Monica projects, clarifying ownership, dependency direction, and composition rules so bounded contexts remain explicit within a single deployment.

Core Features & Use Cases

  • Domain-first solution layout: Guides splitting the solution by bounded context under src/Domains with single merged domain packages per subdomain.
  • Strict reference and ownership rules: Enforces AppHost -> Domains.{Subdomain} -> Platform.Infrastructure -> Platform.Protocol -> Platform.BuildingBlocks chain, domain-owned Repository and DbContext placement, and where shared protocol contracts live.
  • Practical workflows and checklist: Step-by-step instructions for creating new subdomains, defining PublishedLanguages in Platform.Protocol, deciding cross-domain collaboration (requests vs events), and a delivery checklist for safe composition and registration.

Quick Start

Design a new Ordering bounded context in this Monica solution and produce the recommended folder layout, Domains.Ordering.csproj naming, Platform.Protocol PublishedLanguages locations, and AppHost composition steps.

Frequently Asked Questions about monica-business-modular-monolith

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a modular monolith with DDD bounded contexts?▼

Structure a modular monolith by splitting the solution by bounded context under src/Domains, enforcing an AppHost to Platform.BuildingBlocks reference chain to ensure domain boundaries remain explicit within a single deployment.

Where should I place Repository and DbContext classes in a DDD modular monolith?▼

Place Repository and DbContext within the domain layer under Domains.{Subdomain}, ensuring domain ownership of persistence responsibilities rather than centralizing them in shared infrastructure.

What is the correct project reference chain for a Monica business solution?▼

The correct reference chain is AppHost -> Domains.{Subdomain} -> Platform.Infrastructure -> Platform.Protocol -> Platform.BuildingBlocks, dictating strict dependency direction for safe composition.

How do I define cross-domain collaboration contracts in a modular monolith?▼

Define cross-domain collaboration contracts as PublishedLanguages within Platform.Protocol, deciding between direct requests versus events to maintain decoupled bounded contexts.

Can I use this modular monolith approach for multiple deployments?▼

This approach applies to single-deployment Monica projects, prescribing domain-first layout and composition rules specifically when creating or extending bounded contexts within one deployment.

Why does my modular monolith solution layout become entangled?▼

Solution layouts become entangled without strict reference rules, but enforcing domain-owned persistence and Platform.Protocol contract locations clarifies ownership and dependency direction across bounded contexts.

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