| 1 |
Angular-like Node.js framework: What is NestJS? |
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[Main features of NestJS](./introduction/#Main features of NestJS) |
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[Main advantages and benefits of NestJS](./introduction/#Main advantages and benefits of NestJS) |
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[NestJS architecture](./introduction/#NestJS architecture) |
| [Companies using NestJS](./introduction/#Companies using NestJS) |
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| 2 |
How to build NestJs environment in 3 ways |
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[How to build an environment with NestCLI](./nestjs-environment-setup-cli-docker/#How to build an environment with NestCLI) |
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[How to download a project from Git](./nestjs-environment-setup-cli-docker/#How to download a project from Git) |
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[How to build an environment using Docker](./nestjs-environment-setup-cli-docker/#How to build an environment using docker) |
| 3 |
How to create a controller in NestJs |
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[Creating a controller using NestJS CLI](./create_controller/Creating a controller using NestJS CLI) |
| [Edit NestJS controller and set response](./create_controller/#Edit NestJS controller and set response) |
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| 4 |
How to create a service and manipulate data in NestJs |
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[How to create a service](./create_service/#How to create a service) |
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[How to create a service function](./create_service/#How to create a service function) |
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[How to modify the controller](./create_service/#How to modify the controller) |
| 5 |
How to create an interface in Nest.js and ensure type safety |
| [How to create an interface](How to create ./create_interface/#interface) |
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[How to use interface] (How to use ./create_interface/#interface) |
| 6 |
How to create modules and manage functions |
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[How to create a module](./create_module/#How to create a module) |
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[How to set a module](./create_module/#How to set a module) |
| 7 |
How to create and utilize middleware |
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[How to create middleware](./create_middleware/#How to create middleware) |
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[How to apply middleware](./create_middleware/#How to apply middleware) |
| 8 |
NestJS exception handling basics and how to create custom exceptions |
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[How to throw an exception](./create_exception/#How to throw an exception) |
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[How to throw a custom exception](./create_exception/#How to throw a custom exception) |
| 9 |
Creating and using NestJS exception filters |
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[How to create an exception filter](./create_filter/#How to create an exception filter) |
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[How to use an exception filter](./create_filter/#How to use an exception filter) |
| 10 |
How to create and use a NestJS pipe |
| [default pipe](./create_filter/#default pipe) |
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[How to use an exception filter](./create_filter/#How to use an exception filter) |
| 11 |
How to use guards and how to implement authentication |
| [default pipe](./create_filter/#default pipe) |
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[How to use an exception filter](./create_filter/#How to use an exception filter) |
| 11 |
How to use NestJS interceptors |
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[Create interceptor](./create_filter/#Create interceptor) |
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[How to use an exception filter](./create_filter/#How to use an exception filter) |
| 12 |
How to use custom decorators in NestJS |