Initial project scaffold

Set up MVC architecture with front controller, router, autoloader,
database singleton, and Docker Compose stack (Nginx + PHP-FPM + MariaDB).
Includes DB schema, responsive layout, dev tooling (php-cs-fixer,
parallel-lint), and documentation.

4 files changed, 77 insertions, 0 deletions

diff --git a/docker/mariadb/init.sql b/docker/mariadb/init.sql
new file mode 100644
index 0000000..2cc0d6f
--- /dev/null
+++ b/docker/mariadb/init.sql
@@ -0,0 +1,39 @@
+CREATE TABLE IF NOT EXISTS users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) UNIQUE NOT NULL,
+    email VARCHAR(255) UNIQUE NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    is_verified BOOLEAN DEFAULT FALSE,
+    verification_token VARCHAR(64),
+    reset_token VARCHAR(64),
+    reset_token_expires DATETIME,
+    notify_comments BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS posts (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    image_path VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS likes (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    post_id INT NOT NULL,
+    UNIQUE KEY unique_like (user_id, post_id),
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+    FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS comments (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    post_id INT NOT NULL,
+    content TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
+    FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE
+);
diff --git a/docker/nginx/Dockerfile b/docker/nginx/Dockerfile
new file mode 100644
index 0000000..7ab8af1
--- /dev/null
+++ b/docker/nginx/Dockerfile
@@ -0,0 +1,2 @@
+FROM nginx:1.27-alpine
+COPY default.conf /etc/nginx/conf.d/default.conf
diff --git a/docker/nginx/default.conf b/docker/nginx/default.conf
new file mode 100644
index 0000000..8a1bcc6
--- /dev/null
+++ b/docker/nginx/default.conf
@@ -0,0 +1,21 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /var/www/html/public;
+    index index.php;
+
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+
+    location ~ \.php$ {
+        fastcgi_pass php:9000;
+        fastcgi_index index.php;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        include fastcgi_params;
+    }
+
+    location ~ /\. {
+        deny all;
+    }
+}
diff --git a/docker/php/Dockerfile b/docker/php/Dockerfile
new file mode 100644
index 0000000..8626073
--- /dev/null
+++ b/docker/php/Dockerfile
@@ -0,0 +1,15 @@
+FROM php:8.5.4-fpm
+
+# Install system libs for GD (PNG + JPEG) and a mail agent, then compile PHP extensions
+RUN apt-get update && apt-get install -y \
+    libpng-dev \
+    libjpeg62-turbo-dev \
+    msmtp \
+    && docker-php-ext-configure gd --with-jpeg \
+    && docker-php-ext-install -j$(nproc) gd pdo_mysql \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN echo "upload_max_filesize = 10M" > /usr/local/etc/php/conf.d/uploads.ini \
+    && echo "post_max_size = 10M" >> /usr/local/etc/php/conf.d/uploads.ini
+
+WORKDIR /var/www/html