Homework 4 2.0

app/autoload.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @param $class_name
+ *
+ * @return false|void
+ */
+function autoloader($class_name)
+{
+    $file = __DIR__ . '/' . implode('/', explode("\\", $class_name)) . '.php';
+
+    if (!file_exists($file)) {
+        return false;
+    }
+
+    include $file;
+}
+
+spl_autoload_register('autoloader');

app/index.php

@@ -1,7 +1,11 @@
 <?php
 
 declare(strict_types=1);
+error_reporting(E_ALL);
+mb_internal_encoding("UTF-8");
 
-echo "Привет, otus!<br>" . date("Y-m-d H:i:s") . "<br><br>";
+require 'autoload.php';
 
-echo "Запрос обработал контейнер: " . $_SERVER['HOSTNAME'];
+echo "Привет, Otus!<br>".date("Y-m-d H:i:s")."<br><br>";
+
+echo "Запрос обработал контейнер: " . $_SERVER['HOSTNAME'];

docker-compose.yml

@@ -1,13 +1,25 @@
-version: "3"
+version: '3'
 
 services:
+  nginx:
+    build:
+      context: ./docker/nginx
+      dockerfile: Dockerfile
+    image: otus2024-hw4/nginx
+    container_name: otus2024-hw4-nginx
+    ports:
+      - "80:80"
+    volumes:
+      - ./app:/var/www/otus2024
+    networks:
+      - otus2024-network
+
   app1:
     build:
       context: ./docker/fpm
       dockerfile: Dockerfile
-    image: otus2024-hw4/php
+    image: balance/php
     container_name: app1
-    restart: unless-stopped
     volumes:
       - ./app:/var/www/otus2024
     networks:
@@ -17,39 +29,36 @@ services:
     build:
       context: ./docker/fpm
       dockerfile: Dockerfile
-    image: otus2024-hw4/php
+    image: balance/php
     container_name: app2
-    restart: unless-stopped
     volumes:
       - ./app:/var/www/otus2024
     networks:
       - otus2024-network
 
-  redis:
-    image: redis:6.0.7
-    container_name: redisApp
-    restart: always
-    volumes:
-      - ./redis:/data/redis
-    #  ports:
-    #    - "6379:6379"
-    networks:
-      - otus2024-network
-
-  nginx:
+  app3:
     build:
-      context: ./docker/nginx
+      context: ./docker/fpm
       dockerfile: Dockerfile
-    image: otus2024-hw4/nginx
-    container_name: otus2024-hw4-nginx
-    restart: unless-stopped
-    ports:
-      - "80:80"
+    image: balance/php
+    container_name: app3
     volumes:
       - ./app:/var/www/otus2024
     networks:
       - otus2024-network
 
 networks:
   otus2024-network:
-    driver: bridge
+    driver: bridge
+
+
+#  redis:
+#    image: redis:6.0.7
+#    container_name: redisApp
+#    restart: always
+#    volumes:
+#      - ./redis:/data/redis
+#    #  ports:
+#    #    - "6379:6379"
+#    networks:
+#      - otus2024-network

docker/fpm/Dockerfile

@@ -31,6 +31,6 @@ WORKDIR /var/www
 
 VOLUME /var/www
 
-EXPOSE 9000
+#EXPOSE 9000
 
 CMD ["php-fpm"]

docker/nginx/Dockerfile

@@ -1,9 +1,11 @@
-FROM nginx
+FROM nginx:latest
 
 COPY ./conf.d/mysite.local.conf /etc/nginx/conf.d/mysite.local.conf
 
 WORKDIR /var/www
 
+VOLUME /var/www
+
 EXPOSE 80
 
 CMD ["nginx", "-g", "daemon off;"]

docker/nginx/conf.d/mysite.local.conf

@@ -1,32 +1,41 @@
+upstream php-fpm-backend {
+    least_conn;
+    server app1:9000;
+    server app2:9000;
+    server app3:9000;
+}
+
 server {
+    # указываем 80 порт для соединения
     listen 80;
-
+    # нужно указать, какому доменному имени принадлежит наш конфиг
     server_name mysite.local;
 
+    # задаём корневую директорию
     root /var/www/otus2024;
 
+    # стартовый файл
     index index.php index.html;
 
-    error_log  /var/log/nginx/error.log;
-    access_log /var/log/nginx/access.log;
-
+    # при обращении к статическим файлам логи не нужны, равно как и обращение к fpm
     location ~* .(jpg|jpeg|gif|css|png|js|ico|html)$ {
         access_log off;
         expires max;
     }
 
+    # помним про единую точку доступа
+    # все запросы заворачиваются в корневую директорию root на index.php
     location / {
         try_files $uri $uri/ /index.php?$query_string;
-        gzip_static on;
     }
 
+    # и наконец правило обращения к php-fpm
     location ~* .php$ {
         try_files $uri = 404;
         fastcgi_split_path_info ^(.+.php)(/.+)$;
-        fastcgi_pass app1:9000;
+        fastcgi_pass php-fpm-backend;
         fastcgi_index index.php;
-        include fastcgi_params;
         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
-        fastcgi_param PATH_INFO $fastcgi_path_info;
+        include fastcgi_params;
     }
 }