version updates

Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.0.0rc1-fpm
+FROM php:8.3.0RC5-fpm
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y git

README.md

@@ -12,6 +12,10 @@ The following three separate service containers will be used:
 
 - Set the MySQL environment variables creating a `.env` file based on the `.env.example` file.
 
+```bash
+copy .env.example .env
+```
+
 - Build the app image with the following command:
 
 ```bash

docker-compose.yml

@@ -13,10 +13,11 @@ services:
 
     # MySQL database service
     db:
-        image: mysql:5.7
+        image: mysql:8
         container_name: mysql-db
         ports:
             - "3306:3306"
+        command: --default-authentication-plugin=caching_sha2_password
         environment:
             MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
             MYSQL_DATABASE: ${DB_DATABASE}