Dockerize: Add Dockerfile, nginx.conf, supervisord.conf with clear_env=no fix

.dockerignore

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+.git
+.gitignore
+node_modules
+*.log
+.env
+.env.local
+README.md

Dockerfile

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+# =========================================================
+# Dockerfile - WebGIS PHP Application
+# Uses Nginx + PHP-FPM in a single Alpine-based container
+# =========================================================
+
+FROM php:8.2-fpm-alpine
+
+# Install system dependencies and PHP extensions
+RUN apk add --no-cache \
+    nginx \
+    supervisor \
+    && docker-php-ext-install mysqli pdo pdo_mysql \
+    && docker-php-ext-enable mysqli pdo_mysql
+
+# Copy Nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Copy supervisor configuration (runs Nginx + PHP-FPM together)
+COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+
+# CRITICAL: Allow ENV vars (DB_HOST, DB_PASS etc) from Coolify to be
+# readable by PHP's getenv(). By default PHP-FPM clears all env vars.
+RUN echo "[www]" >> /usr/local/etc/php-fpm.d/www.conf && \
+    echo "clear_env = no" >> /usr/local/etc/php-fpm.d/www.conf
+
+# Set working directory
+WORKDIR /var/www/html
+
+# Copy all application files
+COPY . .
+
+# Set correct permissions for web files
+RUN chown -R www-data:www-data /var/www/html \
+    && chmod -R 755 /var/www/html
+
+# Expose port 80
+EXPOSE 80
+
+# Start supervisor (which manages both Nginx and PHP-FPM)
+CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]

nginx.conf

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+worker_processes auto;
+error_log /var/log/nginx/error.log warn;
+pid /var/run/nginx.pid;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+    sendfile on;
+    keepalive_timeout 65;
+
+    server {
+        listen 80;
+        server_name _;
+        root /var/www/html;
+        index index.php index.html;
+
+        # Main location block
+        location / {
+            try_files $uri $uri/ /index.php?$query_string;
+        }
+
+        # PHP-FPM handler - all .php files are processed by PHP-FPM
+        location ~ \.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 $fastcgi_path_info;
+        }
+
+        # Allow access to static files (HTML, CSS, JS, images)
+        location ~* \.(html|css|js|jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
+            expires max;
+            access_log off;
+        }
+
+        # Security: deny access to hidden files
+        location ~ /\. {
+            deny all;
+        }
+    }
+}

php-fpm.conf

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+# PHP-FPM environment variable passthrough
+# This ensures ENV vars from Coolify are accessible via getenv() in PHP
+
+; Clear all environment variables (security)
+clear_env = no

supervisord.conf

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+[supervisord]
+nodaemon=true
+logfile=/var/log/supervisord.log
+pidfile=/var/run/supervisord.pid
+
+[program:nginx]
+command=nginx -g "daemon off;"
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
+[program:php-fpm]
+command=php-fpm -F
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0