⚠️ Warning

The code samples contain multiple ways and patterns to do things and not always be considered best practices or recommended for all situations.

Database Centric vs Domain Centric Architecture

(open on draw.io)

Hexagonal Architecture

(open on draw.io)

Onion Architecture

(open on draw.io)

The Clean Architecture

(open on draw.io)

Classic Three-layer Architecture

(open on draw.io)

Modern Four-layer Architecture

(open on draw.io)

Layer Dependencies

(open on draw.io)

Layer Examples

(open on draw.io)

Testing Pyramid

(open on draw.io)

Vertical Slice Architecture (Modular Monolith)

(open on draw.io)

Solution Structure

How to Run:

Update Configuration

Additional Configuration Sources

Open ClassifiedAds.WebMVC/appsettings.json and jump to ConfigurationSources section.

"ConfigurationSources": {
  "SqlServer": {
    "IsEnabled": false,
    "ConnectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#",
    "SqlQuery": "select [Key], [Value] from ConfigurationEntries"
  },
  "AzureKeyVault": {
    "IsEnabled": false,
    "VaultName": "https://xxx.vault.azure.net/"
  }
},

Get from Sql Server database:

"ConfigurationSources": {
  "SqlServer": {
    "IsEnabled": true,
    "ConnectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#",
    "SqlQuery": "select [Key], [Value] from ConfigurationEntries"
  },
},

Get from Azure Key Vault:

"ConfigurationSources": {
  "AzureKeyVault": {
    "IsEnabled": true,
    "VaultName": "https://xxx.vault.azure.net/"
  }
},

Use Both:

"ConfigurationSources": {
  "SqlServer": {
    "IsEnabled": true,
    "ConnectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#",
    "SqlQuery": "select [Key], [Value] from ConfigurationEntries"
  },
  "AzureKeyVault": {
    "IsEnabled": true,
    "VaultName": "https://xxx.vault.azure.net/"
  }
},

Storage

Open ClassifiedAds.WebMVC/appsettings.json, ClassifiedAds.WebAPI/appsettings.json and jump to Storage section.
```
"Storage": {
  "Provider": "Local",
},
```

Use Local Files:

"Storage": {
  "Provider": "Local",
  "Local": {
    "Path": "E:\\files"
  },
},

Use Azure Blob:

"Storage": {
  "Provider": "Azure",
  "Azure": {
    "ConnectionString": "xxx",
    "Container": "classifiedadds"
  },
},

Use Amazon S3:

"Storage": {
  "Provider": "Amazon",
  "Amazon": {
    "AccessKeyID": "xxx",
    "SecretAccessKey": "xxx",
    "BucketName": "classifiedadds",
    "RegionEndpoint": "ap-southeast-1"
  }
},

Message Broker

Open below files and jump to MessageBroker section:
- ClassifiedAds.Background/appsettings.json
```
"MessageBroker": {
  "Provider": "RabbitMQ",
}
```

Use RabbitMQ

"MessageBroker": {
  "Provider": "RabbitMQ",
  "RabbitMQ": {
    "HostName": "localhost",
    "UserName": "guest",
    "Password": "guest",
    "ExchangeName": "amq.direct",
    "RoutingKeys": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    },
    "QueueNames": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    }
  }
}

Use Kafka:

"MessageBroker": {
  "Provider": "Kafka",
  "Kafka": {
    "BootstrapServers": "localhost:9092",
    "Topics": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    },
  }
}

Use Azure Queue Storage:

"MessageBroker": {
  "Provider": "AzureQueue",
  "AzureQueue": {
    "ConnectionString": "xxx",
    "QueueNames": {
      "FileUploadedEvent": "classifiedadds-fileuploaded",
      "FileDeletedEvent": "classifiedadds-filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds-emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds-smscreated"
    }
  }
}

Use Azure Service Bus:

"MessageBroker": {
  "Provider": "AzureServiceBus",
  "AzureServiceBus": {
    "ConnectionString": "xxx",
    "QueueNames": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    }
  }
}

Use Azure Event Grid:

"MessageBroker": {
  "Provider": "AzureEventGrid",
  "AzureEventGrid": {
    "DomainEndpoint": "https://xxx.xxx-1.eventgrid.azure.net/api/events",
    "DomainKey": "xxxx",
    "Topics": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted"
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    }
  }
}

Use Azure Event Hubs:

"MessageBroker": {
  "Provider": "AzureEventHub",
  "AzureEventHub": {
    "ConnectionString": "Endpoint=sb://xxx.servicebus.windows.net/;SharedAccessKeyName=xxx;SharedAccessKey=xxx",
    "Hubs": {
      "FileUploadedEvent": "classifiedadds_fileuploaded",
      "FileDeletedEvent": "classifiedadds_filedeleted",
      "EmailMessageCreatedEvent": "classifiedadds_emailcreated",
      "SmsMessageCreatedEvent": "classifiedadds_smscreated"
    },
    "StorageConnectionString": "DefaultEndpointsProtocol=https;AccountName=xxx;AccountKey=xxx;EndpointSuffix=core.windows.net",
    "StorageContainerNames": {
      "FileUploadedEvent": "eventhub-fileuploaded",
      "FileDeletedEvent": "eventhub-filedeleted",
      "EmailMessageCreatedEvent": "eventhub-emailcreated",
      "SmsMessageCreatedEvent": "eventhub-smscreated"
    }
  }
}

Logging

Open and jump to Logging section of below files:

ClassifiedAds.WebAPI/appsettings.json
ClassifiedAds.WebMVC/appsettings.json
ClassifiedAds.Background/appsettings.json

"Logging": {
  "LogLevel": {
    "Default": "Warning"
  },
  "File": {
    "MinimumLogEventLevel": "Information"
  },
  "Elasticsearch": {
    "IsEnabled": false,
    "Host": "http://localhost:9200",
    "IndexFormat": "classifiedads",
    "MinimumLogEventLevel": "Information"
  },
  "EventLog": {
    "IsEnabled": false,
    "LogName": "Application",
    "SourceName": "ClassifiedAds.WebAPI"
  }
},

Write to Local file (./logs/log.txt). Always enabled.

"Logging": {
  "File": {
    "MinimumLogEventLevel": "Information"
  },
},

Write to Elasticsearch:

"Logging": {
  "Elasticsearch": {
    "IsEnabled": true,
    "Host": "http://localhost:9200",
    "IndexFormat": "classifiedads",
    "MinimumLogEventLevel": "Information"
  },
},

Write to Windows Event Log (Windows only):

"Logging": {
  "EventLog": {
    "IsEnabled": true,
    "LogName": "Application",
    "SourceName": "ClassifiedAds.WebAPI"
  }
},

Enable all options:

"Logging": {
  "LogLevel": {
    "Default": "Warning"
  },	
  "File": {
    "MinimumLogEventLevel": "Information"
  },
  "Elasticsearch": {
    "IsEnabled": true,
    "Host": "http://localhost:9200",
    "IndexFormat": "classifiedads",
    "MinimumLogEventLevel": "Information"
  },
  "EventLog": {
    "IsEnabled": true,
    "LogName": "Application",
    "SourceName": "ClassifiedAds.WebAPI"
  }
},

Caching

Open and jump to Caching section of below files:
- ClassifiedAds.WebAPI/appsettings.json
- ClassifiedAds.WebMVC/appsettings.json
```
"Caching": {
  "InMemory": {

  },
  "Distributed": {

  }
},
```

Configure options for In Memory Cache:

"Caching": {
  "InMemory": {
    "SizeLimit": null
  },
},

Use In Memory Distributed Cache (For Local Testing):

"Caching": {
  "Distributed": {
    "Provider": "InMemory",
    "InMemory": {
      "SizeLimit": null
    }
  }
},

Use Redis Distributed Cache:

"Caching": {
  "Distributed": {
    "Provider": "Redis",
    "Redis": {
      "Configuration": "xxx.redis.cache.windows.net:6380,password=xxx,ssl=True,abortConnect=False",
      "InstanceName": ""
    }
  }
},

Use Sql Server Distributed Cache:

dotnet tool install --global dotnet-sql-cache --version="5.0"
dotnet sql-cache create "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#" dbo CacheEntries

"Caching": {
  "Distributed": {
    "Provider": "SqlServer",
    "SqlServer": {
      "ConnectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#",
      "SchemaName": "dbo",
      "TableName": "CacheEntries"
    }
  }
},

Monitoring

Open and jump to Monitoring section of below files:
- ClassifiedAds.WebAPI/appsettings.json
- ClassifiedAds.WebMVC/appsettings.json
```
"Monitoring": {
  "MiniProfiler": {
    
  },
  "AzureApplicationInsights": {
    
  }
},
```

Use MiniProfiler:

"Monitoring": {
  "MiniProfiler": {
    "IsEnabled": true,
    "SqlServerStorage": {
      "ConectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#;MultipleActiveResultSets=true;Encrypt=False",
      "ProfilersTable": "MiniProfilers",
      "TimingsTable": "MiniProfilerTimings",
      "ClientTimingsTable": "MiniProfilerClientTimings"
    }
  },
},

Use Azure Application Insights:

"Monitoring": {
  "AzureApplicationInsights": {
    "IsEnabled": true,
	"InstrumentationKey": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
	"EnableSqlCommandTextInstrumentation": true
  }
},

Use AppMetrics:

"Monitoring": {
  "AppMetrics": {
    "IsEnabled": true,
    "MetricsOptions": {
      "DefaultContextLabel": "ClassifiedAds.WebAPI",
      "Enabled": true,
      "ReportingEnabled": true
    },
    "MetricsWebTrackingOptions": {
      "ApdexTrackingEnabled": true,
      "ApdexTSeconds": 0.1,
      "IgnoredHttpStatusCodes": [ 404 ],
      "IgnoredRoutesRegexPatterns": [],
      "OAuth2TrackingEnabled": true
    },
    "MetricEndpointsOptions": {
      "MetricsEndpointEnabled": true,
      "MetricsTextEndpointEnabled": true,
      "EnvironmentInfoEndpointEnabled": true
    }
  }
},

Use Both:

"Monitoring": {
  "MiniProfiler": {
    "IsEnabled": true,
    "SqlServerStorage": {
      "ConectionString": "Server=127.0.0.1;Database=ClassifiedAds;User Id=sa;Password=sqladmin123!@#;MultipleActiveResultSets=true;Encrypt=False",
      "ProfilersTable": "MiniProfilers",
      "TimingsTable": "MiniProfilerTimings",
      "ClientTimingsTable": "MiniProfilerClientTimings"
    }
  },
  "AzureApplicationInsights": {
    "IsEnabled": true,
    "InstrumentationKey": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
    "EnableSqlCommandTextInstrumentation": true
  },
  "AppMetrics": {
    "IsEnabled": true,
    "MetricsOptions": {
      "DefaultContextLabel": "ClassifiedAds.WebAPI",
      "Enabled": true,
      "ReportingEnabled": true
    },
    "MetricsWebTrackingOptions": {
      "ApdexTrackingEnabled": true,
      "ApdexTSeconds": 0.1,
      "IgnoredHttpStatusCodes": [ 404 ],
      "IgnoredRoutesRegexPatterns": [],
      "OAuth2TrackingEnabled": true
    },
    "MetricEndpointsOptions": {
      "MetricsEndpointEnabled": true,
      "MetricsTextEndpointEnabled": true,
      "EnvironmentInfoEndpointEnabled": true
    }
  }
},

Interceptors

Open and jump to Interceptors section of below files:
```
"Interceptors": {
  "LoggingInterceptor": true,
  "ErrorCatchingInterceptor": false
},
```

Security Headers

Open ClassifiedAds.WebAPI/appsettings.json and jump to SecurityHeaders section:

"SecurityHeaders": {
  "Cache-Control": "no-cache, no-store, must-revalidate",
  "Pragma": "no-cache",
  "Expires": "0"
},

Open ClassifiedAds.WebMVC/appsettings.json and jump to SecurityHeaders section:

"SecurityHeaders": {
  "Content-Security-Policy": "form-action 'self'; frame-ancestors 'none'",
  "Feature-Policy": "camera 'none'",
  "Referrer-Policy": "strict-origin-when-cross-origin",
  "X-Content-Type-Options": "nosniff",
  "X-Frame-Options": "DENY",
  "X-XSS-Protection": "1; mode=block",
  "Cache-Control": "no-cache, no-store, must-revalidate",
  "Pragma": "no-cache",
  "Expires": "0"
},

Cross-Origin Resource Sharing (CORS)

Open ClassifiedAds.WebAPI/appsettings.json and jump to CORS section:

"CORS": {
  "AllowAnyOrigin": false,
  "AllowedOrigins": [ "http://localhost:4200", "http://localhost:3000", "http://localhost:8080" ]
},

External Login

Open ClassifiedAds.IdentityServer/appsettings.json and jump to ExternalLogin section:

"ExternalLogin": {
  "AzureActiveDirectory": {
    "IsEnabled": true,
    "Authority": "https://login.microsoftonline.com/<Directory (tenant) ID>",
    "ClientId": "<Application (client) ID",
    "ClientSecret": "xxx"
  },
  "Microsoft": {
    "IsEnabled": true,
    "ClientId": "<Application (client) ID",
    "ClientSecret": "xxx"
  },
  "Google": {
    "IsEnabled": true,
    "ClientId": "xxx",
    "ClientSecret": "xxx"
  },
  "Facebook": {
    "IsEnabled": true,
    "AppId": "xxx",
    "AppSecret": "xxx"
  }
},

Sending Email

Open ClassifiedAds.Background/appsettings.json and jump to Notification -> Email section:
```
"Notification": {
  "Email": {
    "Provider": "Fake",
  }
}
```

Use SmtpClient:

"Notification": {
  "Email": {
    "Provider": "SmtpClient",
    "SmtpClient": {
      "Host": "localhost",
      "Port": "",
      "UserName": "",
      "Password": "",
      "EnableSsl": ""
    }
  }
}

Sending SMS

Open ClassifiedAds.Background/appsettings.json and jump to Notification -> Sms section:
```
"Notification": {
  "Sms": {
    "Provider": "Fake",
  }
}
```

Use Twilio

"Notification": {
  "Sms": {
    "Provider": "Twilio",
    "Twilio": {
      "AccountSId": "",
      "AuthToken": "",
      "FromNumber": ""
    }
  }
}

Run or Debug the Solution

Web MVC Home Page: https://localhost:44364/
Navigate to Health Checks UI https://localhost:44364/healthchecks-ui#/healthchecks and make sure everything is green.
Login on Identity Server:
- Option 1: Use default created account:
  - User Name: phong@gmail.com
  - Password: v*7Un8b4rcN@<-RN
- Option 2: Register new account at https://localhost:44367/Account/Register
Open Blazor Home Page at: https://localhost:44331

How to Build and Run Single Page Applications:

Angular:

Navigate to folder: UIs/angular/
```
npm install
ng serve
```

Update environment.ts & environment.prod.ts

export const environment = {
  OpenIdConnect: {
    Authority: "https://localhost:44367",
    ClientId: "ClassifiedAds.Angular"
  },
  ResourceServer: {
    Endpoint: "https://localhost:44312/api/"
  },
  CurrentUrl: "http://localhost:4200/"
};

Go to http://localhost:4200/

React:

Navigate to folder: UIs/reactjs/
```
npm install
npm run dev
```

Update environment.dev.js & environment.js

const environment = {
    OpenIdConnect: {
        Authority: "https://localhost:44367",
        ClientId: "ClassifiedAds.React"
    },
    ResourceServer: {
        Endpoint: "https://localhost:44312/api/"
    },
    CurrentUrl: "http://localhost:3000/"
};
export default environment;

Go to http://localhost:3000/

Vue:

Navigate to folder: UIs/vuejs/
```
npm install
npm run serve
```

Update environment.dev.js & environment.dev.js

const environment = {
    OpenIdConnect: {
        Authority: "https://localhost:44367",
        ClientId: "ClassifiedAds.Vue"
    },
    ResourceServer: {
        Endpoint: "https://localhost:44312/api/"
    },
    CurrentUrl: "http://localhost:8080/"
};
export default environment;

Go to http://localhost:8080/

Before Login, go to Identity Server https://localhost:44367/Client to make sure application clients have been registered:

How to Run on Docker Containers:

Add Migrations if you haven't done on previous steps:

Install dotnet-ef cli:

dotnet tool install --global dotnet-ef --version="5.0"

Navigate to ClassifiedAds.Migrator and run these commands:

dotnet ef migrations add Init --context AdsDbContext -o Migrations/AdsDb
dotnet ef migrations add Init --context ConfigurationDbContext -o Migrations/ConfigurationDb
dotnet ef migrations add Init --context PersistedGrantDbContext -o Migrations/PersistedGrantDb

Navigate to Monolith and run:
```
docker-compose build
docker-compose up
```
Open Web MVC Home Page at: http://host.docker.internal:9003
Navigate to Health Checks UI http://host.docker.internal:9003/healthchecks-ui#/healthchecks and make sure everything is green.
Login on Identity Server:
- Use default created account: phong@gmail.com / v*7Un8b4rcN@<-RN
- Register new account at http://host.docker.internal:9000/Account/Register
Open Blazor Home Page at: http://host.docker.internal:9008

How to Run Integration & End to End Tests:

Update ClassifiedAds.IntegrationTests/appsettings.json

{
  "OpenIdConnect": {
    "Authority": "https://localhost:44367",
    "ClientId": "ClassifiedAds.WebMVC",
    "ClientSecret": "secret",
    "RequireHttpsMetadata": "true"
  },
  "WebAPI": {
    "Endpoint": "https://localhost:44312"
  },
  "GraphQL": {
    "Endpoint": "https://localhost:44392/graphql"
  },
  "Login": {
    "UserName": "phong@gmail.com",
    "Password": "v*7Un8b4rcN@<-RN",
    "Scope": "ClassifiedAds.WebAPI"
  }
}

Download Chrome Driver

Update ClassifiedAds.EndToEndTests/appsettings.json

{
  "ChromeDriverPath": "D:\\Downloads\\chromedriver_win32\\72",
  "Login": {
    "Url": "https://localhost:44364/Home/Login",
    "UserName": "phong@gmail.com",
    "Password": "v*7Un8b4rcN@<-RN"
  }
}

Application URLs:

https://github.com/phongnguyend/Practical.CleanArchitecture/wiki/Application-URLs

Roadmap:

https://github.com/phongnguyend/Practical.CleanArchitecture/wiki/Roadmap

Licence 🔑

This repository is licensed under the MIT license.

Duende.IdentityServer License 🔑

Duende.IdentityServer is available under both a FOSS (RPL) and a commercial license.

For the production environment, it is necessary to get a specific license, if you would like more information about the licensing of Duende.IdentityServer - please check this link.

The source code under /src/IdentityServer/Duende folder uses the source code from https://github.com/DuendeSoftware/IdentityServer.Quickstart.UI which is under the terms of the following license.

EPPLus License 🔑

EPPlus 5 can be used under Polyform Noncommercial license or a commercial license.

For the production environment, it is necessary to get a specific license, if you would like more information about the licensing of EPPlus 5 - please check this link.

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README.md

README.md

Database Centric vs Domain Centric Architecture

Hexagonal Architecture

Onion Architecture

The Clean Architecture

Classic Three-layer Architecture

Modern Four-layer Architecture

Layer Dependencies

Layer Examples

Testing Pyramid

Vertical Slice Architecture (Modular Monolith)

Solution Structure

How to Run:

Update Configuration

Run or Debug the Solution

How to Build and Run Single Page Applications:

How to Run on Docker Containers:

How to Run Integration & End to End Tests:

Application URLs:

Roadmap:

Licence 🔑

Duende.IdentityServer License 🔑

EPPLus License 🔑

Files

README.md

Latest commit

History

README.md

File metadata and controls

Database Centric vs Domain Centric Architecture

Hexagonal Architecture

Onion Architecture

The Clean Architecture

Classic Three-layer Architecture

Modern Four-layer Architecture

Layer Dependencies

Layer Examples

Testing Pyramid

Vertical Slice Architecture (Modular Monolith)

Solution Structure

How to Run:

Update Configuration

Run or Debug the Solution

How to Build and Run Single Page Applications:

How to Run on Docker Containers:

How to Run Integration & End to End Tests:

Application URLs:

Roadmap:

Licence 🔑

Duende.IdentityServer License 🔑

EPPLus License 🔑