Enterprise Multi-App Federated SaaS Architecture
Cross-database federation, Composer monorepos, path packages, and zero-downtime ops
The summit of enterprise PHP engineering. Master cross-database federation with centralized mysql_auth; author reusable domain path packages within Composer monorepos; engineer specialized domain modules (Hospital Management, Controlled Pharmacy, Multi-Merchant Finance); and deploy with zero downtime using Laravel Octane, FrankenPHP, and Deployer PHP.
Course Prerequisites
Part of Academy Track:
What You Will Master
Curriculum Modules (5 Modules)
Explore the structured module breakdown, lesson outcomes, and practical lab exercises.
Module 1: Federated Cross-Database Architecture
6 Lessons • ~8.6 Study Hours (0.86 CEUs)Welcome to Module 1: Federated Cross-Database Architecture. In this section of the curriculum, learners dive deep into foundational and advanced principles designed for production application. This module covers: Understand database federation in large-scale SaaS ecosystems. Analyze the architectural tradeoffs between single databases, microservices, and cross-database federation.; Configure multi-database connections in database.php. Establish strict schema ownership rules and manage connection pools across federated Laravel apps.; Build cross-database Eloquent models. Master belongsTo, hasMany, and eager loading across distinct physical database connections..
Database Federation Principles: When Cross-Database Architecture Outperforms Monolithic DBs
Understand database federation in large-scale SaaS ecosystems. Analyze the architectural tradeoffs between single databases, microservices, and cross-database federation.
The Central Auth Connection: Connection Pools, Configuration, and Schema Ownership
Configure multi-database connections in database.php. Establish strict schema ownership rules and manage connection pools across federated Laravel apps.
Cross-Database Eloquent Relationships: Binding Models with $connection = 'mysql_auth'
Build cross-database Eloquent models. Master belongsTo, hasMany, and eager loading across distinct physical database connections.
Federated Tenancy Pivots: tenant_customer and tenant_household Scoping
Implement federated tenant-customer mappings. Manage cross-tenant patient identity and household clustering using federated pivot tables.
Federated Seeding Strategy: Deterministic Multi-Database Seeding & Test Fixtures
Master multi-database seeding order. Build deterministic factories that seed central identity records before domain transactional records.
System Metadata vs EAV Extensibility: The meta vs extra JSON Column Standard
Establish strict data conventions for JSON columns. Differentiate namespaced system metadata ('meta') from end-user dynamic attributes ('extra').
Module 2: Composer Path Packages: Modular Monorepo Architecture
6 Lessons • ~8.4 Study Hours (0.84 CEUs)Welcome to Module 2: Composer Path Packages: Modular Monorepo Architecture. In this section of the curriculum, learners dive deep into foundational and advanced principles designed for production application. This module covers: Evaluate code sharing mechanisms in multi-app SaaS monorepos. Understand why Composer path packages with symlink mode optimize engineering velocity.; Build a reusable Laravel package from scratch. Configure package composer.json, PSR-4 autoloading, and package service providers.; Configure host application composer.json for path repositories. Understand symlink mode vs mirror copy fallbacks and Docker container mounts..
Package Distribution Tradeoffs: Path Packages vs Private Packagist vs Submodules
Evaluate code sharing mechanisms in multi-app SaaS monorepos. Understand why Composer path packages with symlink mode optimize engineering velocity.
Authoring Reusable Domain Packages: composer.json, PSR-4, and Service Providers
Build a reusable Laravel package from scratch. Configure package composer.json, PSR-4 autoloading, and package service providers.
Path Repository Configuration: Symlink Mode vs Mirror Copying
Configure host application composer.json for path repositories. Understand symlink mode vs mirror copy fallbacks and Docker container mounts.
Package Dependency Graphs: Directed Acyclic Graphs (DAG) and Zero Circularity
Architect strict dependency hierarchies across packages. Prevent circular references using Directed Acyclic Graphs (DAG) in monorepo ecosystems.
Package Migration Management: Contributing Schemas via loadMigrationsFrom()
Distribute database schemas inside Composer packages. Configure loadMigrationsFrom() inside package service providers and avoid migration publish clutter.
Package-Level Testing: Pest & Orchestra Testbench for Autonomous Packages
Test Composer packages in isolation using Orchestra Testbench and Pest/PHPUnit. Run test suites without needing a full Laravel host app instance.
Module 3: Multi-App SaaS Domain Design: HMS, Pharma, Finance
6 Lessons • ~8.5 Study Hours (0.85 CEUs)Welcome to Module 3: Multi-App SaaS Domain Design: HMS, Pharma, Finance. In this section of the curriculum, learners dive deep into foundational and advanced principles designed for production application. This module covers: Establish firm criteria for classifying code: when should a feature be an independent Laravel app, a shared path package, or a federated entity?; Architect the Hospital Management System (HMS) domain. Build clinical sub-modules for Wards, Bed Allocations, Diagnoses, and Surgical Theatre.; Design the Pharmacy management domain. Model dispensing records, formulary catalogs, batch expiration tracking, and DEA/controlled substance ledgers..
Application Boundary Engineering: App vs Package vs Federated Layer
Establish firm criteria for classifying code: when should a feature be an independent Laravel app, a shared path package, or a federated entity?
HMS Domain Architecture: Clinical Wards, Beds, Admissions, and Theatre
Architect the Hospital Management System (HMS) domain. Build clinical sub-modules for Wards, Bed Allocations, Diagnoses, and Surgical Theatre.
Pharma Domain Architecture: Dispensing Records, Formularies & Controlled Substance Auditing
Design the Pharmacy management domain. Model dispensing records, formulary catalogs, batch expiration tracking, and DEA/controlled substance ledgers.
Finance Domain Architecture: Claims, Invoicing, PAYG Ledgers, and FX Reconciliation
Architect the enterprise Finance & Billing application. Implement insurance claim lifecycles, split-billing, PAYG token deductions, and multi-currency FX.
Ecosystem Access Gating: The allowed_apps JSON Column & Multi-App Authorization
Gate multi-app access using the allowed_apps JSON column. Prevent unauthorized staff from logging into apps outside their subscribed bundle.
Package-Driven Filament Panels: Registering Domain Resources from Path Packages
Expose Filament resources directly from Composer path packages. Dynamically register package resources, pages, and widgets into host panel providers.
Module 4: Public Portal Architecture: High-Performance Blade API Consumers
6 Lessons • ~7.7 Study Hours (0.77 CEUs)Welcome to Module 4: Public Portal Architecture: High-Performance Blade API Consumers. In this section of the curriculum, learners dive deep into foundational and advanced principles designed for production application. This module covers: Analyze the architecture of public-facing directory portals. Understand why lightweight Blade MVC outperforms heavy administrative admin panels for public SEO traffic.; Build resilient API consumer services using Laravel's Http client. Implement connection pooling, exponential backoff retries, and HMAC request signing.; Implement Command Query Responsibility Segregation (CQRS). Store read-optimized replicas in local SQLite/PostgreSQL for millisecond directory search..
Public Directory Architecture: Why Pure Blade Wins over Filament for Public Portals
Analyze the architecture of public-facing directory portals. Understand why lightweight Blade MVC outperforms heavy administrative admin panels for public SEO traffic.
API Consumer Service Layer: Resilient HTTP Clients with Guzzle & Laravel HTTP
Build resilient API consumer services using Laravel's Http client. Implement connection pooling, exponential backoff retries, and HMAC request signing.
Read-Optimized Cache Databases: CQRS Pattern in Blade API Consumers
Implement Command Query Responsibility Segregation (CQRS). Store read-optimized replicas in local SQLite/PostgreSQL for millisecond directory search.
Scheduled Sync Automation: Artisan Commands & Periodic Ingestion Pipelines
Build automated sync commands in Laravel. Schedule background synchronization of medical profiles, bed vacancies, and doctor appointment slots.
Push vs Pull Ingestion: Real-Time Webhooks for Instant Directory Invalidation
Implement webhook listeners for instant cache invalidation. Move beyond periodic polling to event-driven push updates from clinical backends.
SEO Engineering in Blade: JSON-LD Structured Data, OpenGraph, and Core Web Vitals
Optimize public Blade directory pages for search engines. Implement Schema.org JSON-LD medical badges, OpenGraph cards, and Core Web Vitals optimizations.
Module 5: Production Operations, Deployment & Security Engineering
6 Lessons • ~8.9 Study Hours (0.89 CEUs)Welcome to Module 5: Production Operations, Deployment & Security Engineering. In this section of the curriculum, learners dive deep into foundational and advanced principles designed for production application. This module covers: Master zero-downtime deployments using deployer/deployer. Configure release atomic symlinking, shared storage, and rollbacks across multi-app clusters.; Accelerate Laravel throughput by 400% using Laravel Octane. Configure FrankenPHP/RoadRunner, manage persistent memory leaks, and tune worker processes.; Provision production cloud servers using CloudPanel on DigitalOcean. Configure private networking, PostgreSQL clusters, Redis caches, and firewall rules..
Zero-Downtime Multi-App Deployment: Deployer PHP & Release Symlinks
Master zero-downtime deployments using deployer/deployer. Configure release atomic symlinking, shared storage, and rollbacks across multi-app clusters.
High-Throughput Runtimes: Laravel Octane with FrankenPHP & RoadRunner
Accelerate Laravel throughput by 400% using Laravel Octane. Configure FrankenPHP/RoadRunner, manage persistent memory leaks, and tune worker processes.
Production Infrastructure: CloudPanel, DigitalOcean Droplets, and VPC Configuration
Provision production cloud servers using CloudPanel on DigitalOcean. Configure private networking, PostgreSQL clusters, Redis caches, and firewall rules.
Queue Reliability at Scale: Laravel Horizon, Redis & Supervisor Daemons
Scale background job processing with Laravel Horizon. Configure supervisor daemons, queue balance strategies, and failure notification channels.
Static Analysis at Enterprise Scale: PHPStan & Larastan Level 5+ Auditing
Eliminate runtime crashes before production deployment. Configure Larastan Level 5+, enforce strict types, and resolve dynamic Eloquent macro warnings.
Automated Refactoring & Code Quality: Rector PHP & PHP-CS-Fixer
Automate PHP upgrades and coding standards. Build Rector rulesets for PHP 8.4 property hooks and enforce PSR-12 formatting with PHP-CS-Fixer.
Modern PHP, Laravel & SaaS Progression
Continue advancing through the sequential curriculum stages of this academy track: