Detailed explanation of laravel framework's .env file configuration tutorial

In the previous version, Laravel used the php file in the config folder to complete the configuration required for the project. Later, starting from about 5, .env was used to place part of the configuration. So the following article mainly introduces you to the relevant information about the .env file configuration of the PHP framework laravel. Friends in need can refer to it.

Preface

Everyone should know that when using the laravel framework to develop PHP programs, configuring the .env file of the framework is crucial. This file needs to configure the database, database users, cache, etc. Let's take a look at the detailed configuration tutorial.

1. Configure APP_KEY

The laravel framework hardcodes the symmetric encryption key in the .env configuration file by default, both in development environment and production environment It is not necessary and should be strictly prohibited to use the same APP_KEY
Run php artisan key:generate in the project and the key will be automatically generated in the .env file.

 APP_KEY=Li0zqXhuxOlnsMtG90UsU**********

2. Configure the database and database users

(1) Create a database

Use the command mysql < init_db.sql Execute the script to create the database

(2 )Create database user

Use the commandmysql < create_usr.sqlExecute the script to create the user

Create two users here, A cloudlab_dev user has Insert, Select, Delete, Update, CREATE permissions

A cloudlab_dba has Insert, Select, Delete, Update, ALTER, CREATE, DROP, INDEX, LOCK permissions.

Usually use the cloudlab_dev user, and use cloudlab_dba when creating tables

Result:

DB_HOST=127.0.0.1
DB_DATABASE=cloudlab
DB_USERNAME=cloudlab-dev
DB_PASSWORD=cloudla******

DB_USERNAME_DBA=cloudlab-dba
DB_PASSWORD_DBA=cloud*******

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