Update dependencies for Docker image

docker-compose.yml

@@ -1,7 +1,7 @@
 services:
-  #nginx webserver + php 5.6
+  #nginx webserver + php 8.x
   web:
-      image: nginx:1.19.6-alpine
+      image: nginx:1.25.3-alpine
       ports:
         - "8080:80"
       depends_on:
@@ -23,7 +23,7 @@ services:
           ipv4_address: 172.20.0.4
   #MySQL Service
   db:
-    image: mysql:5.6.50
+    image: mysql:8.0.35
     container_name: db
     restart: unless-stopped
     tty: true