feat: Dockerize it

.github/workflows/docker.yml

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+name: Build and Push Docker Image to GHCR
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build PHP
+      run: docker buildx build -f Dockerfile.php -t ghcr.io/${{ github.actor }}/cro-php-example:php .
+
+    - name: Build Nginx
+      run: docker buildx build -f Dockerfile.nginx -t ghcr.io/${{ github.actor }}/cro-php-example:nginx .
+
+    - name: Push PHP
+      run: docker push ghcr.io/${{ github.actor }}/cro-php-example:php
+
+    - name: Push Nginx
+      run: docker push ghcr.io/${{ github.actor }}/cro-php-example:nginx

Dockerfile.nginx

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+FROM nginx
+WORKDIR /app
+COPY index.php .
+COPY nginx-site.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80

Dockerfile.php

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+FROM php:8.3-fpm
+WORKDIR /var/www/html
+COPY /index.php .

nginx-site.conf

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+server {
+	server_name _;
+	listen [::]:80;
+	listen 80;
+
+  root /app;
+
+  location / {
+    try_files $uri /index.php$is_args$args;
+  }
+
+  location ~ .php$ {
+    fastcgi_split_path_info ^(.+\.php)(/.+)$;
+    fastcgi_pass 127.0.0.1:9000;
+    fastcgi_index index.php;
+    include fastcgi_params;
+    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+    fastcgi_param PATH_INFO $fastcgi_path_info;
+    fastcgi_param DOCUMENT_ROOT $realpath_root;
+    fastcgi_intercept_errors on;
+  }
+}