feat: update Docker configuration

Removed version specification from docker-compose.yml and added mysqli extension installation in Dockerfile.

dockerfile-php-sql-alternative/Dockerfile

@@ -0,0 +1,77 @@
+# Dockerfile for a generic Laravel 10 environment
+# with SQL Server 2008 Support (via FreeTDS)
+
+# Use PHP 8.2 as a base image, required for Laravel 10
+ARG PHP_VERSION=8.3.20
+FROM php:${PHP_VERSION}-fpm
+
+# Set arguments for user and group IDs. These can be passed during build time.
+ARG LARAVEL_SAIL_USER_ID=1000
+ARG LARAVEL_SAIL_GROUP_ID=1000
+
+# Set Working Directory for the container
+WORKDIR /var/www/html
+
+# Set environment variables to prevent interactive prompts during installation
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=UTC
+
+# 1. Install System Dependencies
+# - Common tools: git, curl, zip, etc.
+# - PHP extension dependencies: libpng, libxml, etc.
+# - FreeTDS: The key component for connecting to SQL Server 2008 (freetds-dev, freetds-bin)
+# - Node.js and npm: For running `npm run dev`
+RUN apt-get update && \
+    apt-get install -y \
+    git \
+    curl \
+    zip \
+    unzip \
+    libpng-dev \
+    libxml2-dev \
+    libzip-dev \
+    libonig-dev \
+    gnupg \
+    ca-certificates \
+    # Install FreeTDS libraries
+    freetds-dev \
+    freetds-bin \
+    tdsodbc && \
+    # Install Node.js (we'll use v18)
+    mkdir -p /etc/apt/keyrings && \
+    curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && \
+    NODE_MAJOR=18 && \
+    echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list && \
+    apt-get update && \
+    apt-get install -y nodejs && \
+    # Clean up apt cache
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# 2. Install PHP Extensions
+# - We install common Laravel extensions.
+# - We configure and install pdo_dblib, which uses FreeTDS to connect to SQL Server.
+RUN docker-php-ext-configure pdo_dblib --with-libdir=/usr/lib/x86_64-linux-gnu && \
+    docker-php-ext-install \
+    pdo \
+    pdo_dblib \
+    bcmath \
+    gd \
+    exif \
+    pcntl \
+    zip \
+    mbstring
+
+# 3. Install Composer (PHP Package Manager)
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+
+# 4. Create a non-root user to run the application
+# This is a security best practice and helps avoid permission errors.
+RUN groupadd --force -g $LARAVEL_SAIL_GROUP_ID sail && \
+    useradd -ms /bin/bash --no-user-group -g sail -u $LARAVEL_SAIL_USER_ID sail
+
+# 5. Switch to the non-root user
+USER sail
+
+# The image build process stops here. The working directory is set to /var/www/html.
+# When you use this image, you will mount your project code into this directory.