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Validate and Set Up Controllers in NestJS

1. Create a Serializer Interceptor
   Create serializer.interceptor.ts to handle response serialization.

   // src/utils/serializer.interceptor.ts
   import {
     CallHandler,
     ExecutionContext,
     Injectable,

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How to Integrate TypeORM with migrations in NestJS using Docker | Ubuntu 22.04 (Jammy)

1. Get the latest version of the PostgreSQL image.

   $ sudo docker pull postgres

2. Run a PostgreSQL container with the name my-postgres, and run the container in the background.

   $ sudo docker run --name my-postgres \
     -e POSTGRES_USER=postgres \
     -e POSTGRES_PASSWORD=postgres \

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How to Load .env using Config Module in NestJS

1. Add @nestjs/config library to your dependencies in package.json

   $ yarn add @nestjs/config

2. Add src/modules/config/app.config.ts

    // src/modules/config/app.config.ts
   
   import { registerAs } from '@nestjs/config';

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Test GitHub SSH Connection

Follow the steps below to test your SSH connection to GitHub.

1. Attempt to SSH to GitHub:

$ ssh -T [email protected]

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OS requirements

To install Docker Engine, you need the 64-bit version of one of these Ubuntu versions:

• Ubuntu Noble 24.04 (LTS)
• Ubuntu Jammy 22.04 (LTS)
• Ubuntu Focal 20.04 (LTS)

Docker Engine for Ubuntu is compatible with x86_64 (or amd64), armhf, arm64, s390x, and ppc64le (ppc64el) architectures.

Uninstall old versions

Before you can install Docker Engine, you need to uninstall any conflicting packages.

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Getting Started with NestJS

Follow these steps to set up a new NestJS project:

1. Install Yarn
   First, install Yarn globally using npm:

   npm install --global yarn

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Postman Installation

Install Postman on Linux

To install Postman on Linux using the .tar.gz file, follow these steps:

1. Download the Postman .tar.gz file

Ensure you've downloaded the postman-linux-x64.tar.gz file from the official Postman website.

2. Extract the .tar.gz File

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Logging Flutter via USB

1. Connect Your Device

   adb devices

2. Start ADB Server

adb start-server

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~ Command List :

1. Install chumaky/postgres_mysql_fdw

$ sudo docker pull chumaky/postgres_mysql_fdw

2. Install toleg/postgres_mysql_fdw

$ sudo docker pull toleg/postgres_mysql_fdw

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1. Edit package.json

   {
     ...
     "dependencies": {
       "@nestjs/bull": "^10.0.1",
       "@nestjs/common": "^10.3.0",
       "@nestjs/config": "^3.1.1",
       "@nestjs/core": "^10.3.0",
       "@nestjs/elasticsearch": "^10.0.1",