Jardis Foundation

Part of Jardis — the Domain-Driven Design platform for PHP. You model your domain; Jardis generates the production-ready hexagonal code (DTOs, Command/Query handlers, repositories, persistence). This package is part of the open-source foundation that generated code runs on.

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The Integration Platform for Jardis DDD Projects

Jardis Foundation is the runtime heart of every Jardis DDD project and the ENV-driven entry point for hexagonal architecture in PHP. It provides the DDD building blocks — database connections, caching, logging, event dispatching, HTTP communication — assembled automatically from a single .env file.

When Jardis generates a DDD project, the resulting code extends JardisApp. Foundation takes care of assembling all infrastructure services so your domain code stays clean, portable and focused on business logic.

What Foundation delivers

• Pure Hexagonal Architecture — your domain core has zero knowledge of infrastructure. Foundation wires adapters behind PSR interfaces, respecting the Dependency Inversion Principle at every layer.
• Built for generated code — Jardis generates BoundedContexts, Aggregates, Repositories and Commands that run on Foundation out of the box. No manual wiring, no bootstrap ceremony.
• Jardis Ecosystem in one place — Foundation brings together 8+ specialized Jardis packages (Kernel, Cache, DbConnection, Logger, EventDispatcher, HTTP, Mailer, Filesystem) through a unified ENV configuration. Install what you need, ignore what you don't.
• Convention over Configuration — a single .env file replaces hundreds of lines of container configuration. Every service auto-assembles from environment variables.
• PSR-compliant throughout — PSR-3 (Logger), PSR-14 (Event Dispatcher), PSR-16 (Cache), PSR-18 (HTTP Client). Your domain code depends on standards, never on implementations.

From generated code to running application

Jardis (development-time)          Jardis Foundation
─────────────────────────          ─────────────────
Generates:                         Provides at runtime:
  BoundedContexts                    Database (PDO / ConnectionPool)
  Aggregates + Entities              Redis (shared connection)
  Repositories + Pipeline            Cache (multi-layer: memory, apcu, redis, db)
  Commands + Queries                 Logger (multi-handler: file, slack, loki, ...)
  Domain Events                      Event Dispatcher (PSR-14)
         │                           HTTP Client (PSR-18)
         │                           Mailer (SMTP)
         │                           Filesystem (Local + S3)
         │                                    │
         └──── extends JardisApp ─────────────┘

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DomainApp vs. JardisApp

	DomainApp (Kernel)	JardisApp (Foundation)
Package	jardiscore/kernel	jardiscore/foundation
Dependencies	Only Kernel + PSR interfaces	Kernel + optional adapters
Services	Override hooks manually	Hooks filled from ENV
Use when	Full control, own infrastructure	Jardis ecosystem, generated projects

// Full control — wire everything yourself:
class Ecommerce extends DomainApp { }

// Jardis ecosystem — services from .env:
class Ecommerce extends JardisApp { }

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Installation

composer require jardiscore/foundation

Optional adapters — install only what you need:

composer require jardisadapter/cache             # Multi-layer caching (Memory, APCu, Redis, Database)
composer require jardisadapter/dbconnection      # ConnectionPool with read/write splitting
composer require jardisadapter/logger            # Log handlers (File, Slack, Teams, Loki, etc.)
composer require jardisadapter/eventdispatcher   # PSR-14 Event Dispatching
composer require jardisadapter/http              # PSR-18 HTTP Client with handler pipeline
composer require jardisadapter/mailer            # SMTP Mailer with STARTTLS, AUTH, HTML/Text
composer require jardisadapter/filesystem        # Local + S3 filesystem abstraction

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Quick Start

1. Create a .env in your domain root

DB_DRIVER=mysql
DB_HOST=localhost
DB_USER=root
DB_PASSWORD=secret
DB_DATABASE=shop

REDIS_HOST=localhost

CACHE_LAYERS=memory,redis
LOG_HANDLERS=file:INFO,console:DEBUG
LOG_CONTEXT=shop
LOG_FILE_PATH=/var/log/shop.log

HTTP_BASE_URL=https://api.payment.example.com
HTTP_BEARER_TOKEN=pk_live_...

2. Extend JardisApp

use JardisCore\Foundation\JardisApp;

class Ecommerce extends JardisApp
{
    public function order(): PlaceOrder
    {
        return new PlaceOrder($this->kernel());
    }
}

3. Use it

$shop = new Ecommerce();
$response = $shop->order()(['customer' => 'Acme', 'total' => 99.90]);

$response->isSuccess();   // true
$response->getData();     // ['PlaceOrder' => ['orderId' => 42]]

That's it. No bootstrap file. No container setup. Services assembled from .env.

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ENV Configuration

Database

DB_DRIVER=mysql          # mysql|pgsql|sqlite
DB_HOST=localhost
DB_PORT=3306
DB_USER=root
DB_PASSWORD=secret
DB_DATABASE=myapp
DB_CHARSET=utf8mb4

# Optional: Read Replicas (auto-builds ConnectionPool when jardisadapter/dbconnection is installed)
DB_READER1_HOST=replica1
DB_READER2_HOST=replica2
# Missing values inherit from writer

Redis (shared between cache and logger)

REDIS_HOST=localhost
REDIS_PORT=6379
REDIS_PASSWORD=
REDIS_DATABASE=0

Cache

# Available layers: memory, apcu, redis, db (order = lookup priority, left first)
CACHE_LAYERS=memory,redis,db
CACHE_NAMESPACE=myapp
CACHE_DB_TABLE=cache         # only for db layer

Logger

# Handlers: file, console, errorlog, syslog, browserconsole, redis, slack, teams, loki, webhook, null
# Manual (via hook override): database, email, stash, redismq, kafkamq, rabbitmq
# Levels: DEBUG, INFO, NOTICE, WARNING, ERROR, CRITICAL, ALERT, EMERGENCY
# Syntax: handler:LEVEL,handler:LEVEL
LOG_HANDLERS=file:ERROR,console:DEBUG
LOG_CONTEXT=myapp
LOG_FILE_PATH=/var/log/app.log
#LOG_SLACK_URL=
#LOG_TEAMS_URL=
#LOG_LOKI_URL=
#LOG_WEBHOOK_URL=

Event Dispatcher

No ENV configuration needed — the PSR-14 event dispatcher is a pure in-memory service. Install jardisadapter/eventdispatcher and it's available automatically.

HTTP Client

HTTP_BASE_URL=https://api.example.com
HTTP_TIMEOUT=30
HTTP_CONNECT_TIMEOUT=10
HTTP_VERIFY_SSL=true

# Authentication (one of):
HTTP_BEARER_TOKEN=
HTTP_BASIC_USER=
HTTP_BASIC_PASSWORD=

# Retry (optional):
HTTP_MAX_RETRIES=3
HTTP_RETRY_DELAY_MS=100

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Hook Overrides

JardisApp fills hooks from ENV — but you can override any of them:

class Ecommerce extends JardisApp
{
    // Own cache instead of ENV-based:
    protected function cache(): CacheInterface|false|null
    {
        return new MySpecialCache();
    }

    // Rest (connection, redis, logger, eventDispatcher, httpClient, mailer, filesystem) still comes from ENV
}

Three-state resolution (inherited from DomainApp):

Return	Meaning
object	Use this service. Share it with other DomainApps (first-write-wins).
null	No local service. Use shared from another DomainApp if available.
false	Explicitly disabled. Don't use shared fallback.

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Architecture

DomainApp (jardiscore/kernel)
    |
JardisApp (jardiscore/foundation) extends DomainApp
    |-- connection()       -> ConnectionHandler       -> PDO or ConnectionPool from ENV
    |-- redis()            -> RedisHandler            -> shared Redis from ENV
    |-- cache()            -> CacheHandler            -> multi-layer Cache (PSR-16)
    |-- logger()           -> LoggerHandler           -> multi-handler Logger (PSR-3)
    |-- eventDispatcher()  -> EventDispatcherHandler  -> Event Dispatcher (PSR-14)
    |-- httpClient()       -> HttpClientHandler       -> HTTP Client (PSR-18)
    |-- mailer()           -> MailerHandler           -> SMTP Mailer
    |-- filesystem()       -> FilesystemHandler       -> Filesystem Factory

Directory Structure

src/
├── JardisApp.php                      # Extends DomainApp, overrides service hooks
├── Data/
│   ├── CacheLayer.php                 # Enum: memory, apcu, redis, db
│   └── LogHandler.php                 # Enum: file, console, errorlog, syslog, ...
└── Handler/
    ├── ConnectionHandler.php          # DB_* -> PDO or ConnectionPool
    ├── RedisHandler.php               # REDIS_* -> shared Redis connection
    ├── CacheHandler.php               # CACHE_LAYERS -> multi-layer Cache
    ├── LoggerHandler.php              # LOG_HANDLERS -> multi-handler Logger
    ├── EventDispatcherHandler.php     # -> PSR-14 Event Dispatcher
    ├── HttpClientHandler.php          # HTTP_* -> PSR-18 HTTP Client
    ├── MailerHandler.php              # MAIL_* -> SMTP Mailer
    └── FilesystemHandler.php          # -> Filesystem Factory

11 source files. Adapters are optional — Foundation checks class_exists() at runtime.

Package Layering

jardissupport/contract       Interfaces (PSR + Jardis contracts)
        │
jardiscore/kernel            DDD Core (DomainApp, DomainKernel, BoundedContext, Response Pipeline)
        │
jardiscore/foundation        Integration Platform (JardisApp + ENV-driven Handlers)
        │
    ┌───┼───┬───────────┬───────────────┬──────────┬──────────┬────────────┐
    │       │           │               │          │          │            │
  cache  dbconnection  logger   eventdispatcher  http     mailer    filesystem
 (PSR-16)            (PSR-3)      (PSR-14)     (PSR-18)

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The Jardis Ecosystem

Foundation brings together these packages at runtime:

Package	Role	PSR
jardiscore/kernel	DDD core: DomainApp, DomainKernel, BoundedContext, Response Pipeline	—
jardissupport/contract	Shared interfaces across all packages	—
jardisadapter/cache	Multi-layer caching (Memory, APCu, Redis, Database)	PSR-16
jardisadapter/dbconnection	ConnectionPool with read/write splitting	—
jardisadapter/logger	Log handlers (File, Console, Redis, Slack, Teams, Loki, Webhook)	PSR-3
jardisadapter/eventdispatcher	Event dispatching with priority and type-hierarchy matching	PSR-14
jardisadapter/http	HTTP client with handler pipeline, retry, auth	PSR-18
jardisadapter/mailer	SMTP mailer with STARTTLS, AUTH, HTML/Text, attachments	—
jardisadapter/filesystem	Local + S3 filesystem abstraction with unified API	—

All adapters are optional. Install what your project needs — Foundation detects availability at runtime.

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Documentation

Full documentation, guides, and API reference:

docs.jardis.io/en/core/foundation

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License

Licensed under the MIT License.

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Jardis · Documentation · Headgent

KI-gestützte Entwicklung

Dieses Package liefert einen Skill für Claude Code, Cursor, Continue und Aider mit. Installation im Konsumentenprojekt:

composer require --dev jardis/dev-skills

Mehr Details: https://docs.jardis.io/en/skills