diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 0c01994..036e948 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,23 +1,23 @@
 FROM alpine:3.21
 
 
-RUN apk add --no-cache git curl php83 php83-fpm php83-opcache caddy php83-curl php83-xdebug chromium-chromedriver
+RUN apk add --no-cache git curl php84 php84-fpm php84-opcache caddy php84-curl php84-xdebug chromium-chromedriver
 
 ADD .devcontainer/start.sh /start.sh
 RUN chmod +x /start.sh
 
-RUN apk add --no-cache php83-ctype php83-dom php83-fileinfo php83-gd php83-iconv php83-simplexml php83-xml php83-xmlreader php83-xmlwriter php83-zip php83-phar php83-openssl
-RUN curl -sS https://getcomposer.org/installer | /usr/bin/php83 -- --install-dir=/usr/bin --filename=composer
+RUN apk add --no-cache php84-ctype php84-dom php84-fileinfo php84-gd php84-iconv php84-simplexml php84-xml php84-xmlreader php84-xmlwriter php84-zip php84-phar php84-openssl
+RUN curl -sS https://getcomposer.org/installer | /usr/bin/php84 -- --install-dir=/usr/bin --filename=composer
 
 # caddy stuff
 ADD .devcontainer/Caddyfile /etc/caddy/Caddyfile
-RUN sed -i 's/nobody/caddy/g' /etc/php83/php-fpm.d/www.conf
-RUN sed -i 's/E_ALL \& ~E_DEPRECATED \& ~E_STRICT/E_ALL \& ~E_DEPRECATED \& ~E_STRICT \& ~E_NOTICE \& ~E_WARNING/g' /etc/php83/php.ini
+RUN sed -i 's/nobody/caddy/g' /etc/php84/php-fpm.d/www.conf
+RUN sed -i 's/E_ALL \& ~E_DEPRECATED \& ~E_STRICT/E_ALL \& ~E_DEPRECATED \& ~E_STRICT \& ~E_NOTICE \& ~E_WARNING/g' /etc/php84/php.ini
 
 # configure xdebug
-RUN echo "zend_extension=xdebug.so" > /etc/php83/conf.d/xdebug.ini
-RUN echo "xdebug.mode=debug" >> /etc/php83/conf.d/xdebug.ini    
-RUN echo "xdebug.start_with_request=yes" >> /etc/php83/conf.d/xdebug.ini
-RUN echo "xdebug.client_host=127.0.0.1" >> /etc/php83/conf.d/xdebug.ini
-RUN echo "xdebug.client_port=9003" >> /etc/php83/conf.d/xdebug.ini
-RUN echo "xdebug.idekey=VSCODE" >> /etc/php83/conf.d/xdebug.ini
+RUN echo "zend_extension=xdebug.so" > /etc/php84/conf.d/xdebug.ini
+RUN echo "xdebug.mode=debug" >> /etc/php84/conf.d/xdebug.ini    
+RUN echo "xdebug.start_with_request=yes" >> /etc/php84/conf.d/xdebug.ini
+RUN echo "xdebug.client_host=127.0.0.1" >> /etc/php84/conf.d/xdebug.ini
+RUN echo "xdebug.client_port=9003" >> /etc/php84/conf.d/xdebug.ini
+RUN echo "xdebug.idekey=VSCODE" >> /etc/php84/conf.d/xdebug.ini
diff --git a/docker-compose-dev.yml b/docker-compose-dev.yml
new file mode 100644
index 0000000..7086de0
--- /dev/null
+++ b/docker-compose-dev.yml
@@ -0,0 +1,18 @@
+version: '3.3'
+services:
+  http2pic:
+    build:
+      context: .
+      dockerfile: docker/Dockerfile
+      
+    restart: unless-stopped
+    volumes:
+      - ./cache:/srv/cache
+      - ./src:/srv/src
+      - ./web:/srv/web
+      - ./logs:/srv/logs
+
+    environment:
+      - URL=http://localhost:8080
+    ports:
+      - 8080:80
diff --git a/docker/Caddyfile b/docker/Caddyfile
old mode 100644
new mode 100755
index b4b5002..cdd9be6
--- a/docker/Caddyfile
+++ b/docker/Caddyfile
@@ -3,5 +3,10 @@
     php_fastcgi 127.0.0.1:9000
     file_server
 
+    log {
+        output file /srv/logs/web.error.log
+        level ERROR
+    }
+
     try_files {path} {path}/ /index.php?{query}
 }
\ No newline at end of file
diff --git a/docker/Dockerfile b/docker/Dockerfile
old mode 100644
new mode 100755
index eab82b8..c4dc921
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,14 +1,16 @@
 FROM alpine:3.21
 
 # Install PHP and necessary extensions
-RUN apk add --no-cache curl php83 php83-fpm php83-opcache caddy php83-curl php83-xdebug chromium-chromedriver
+RUN apk add --no-cache curl php84 php84-fpm php84-opcache caddy php84-curl php84-xdebug chromium-chromedriver
 
-RUN sed -i 's/nobody/caddy/g' /etc/php83/php-fpm.d/www.conf
-RUN sed -i 's/E_ALL \& ~E_DEPRECATED \& ~E_STRICT/E_ALL \& ~E_DEPRECATED \& ~E_STRICT \& ~E_NOTICE \& ~E_WARNING/g' /etc/php83/php.ini
+RUN sed -i 's/nobody/caddy/g' /etc/php84/php-fpm.d/www.conf
+RUN sed -i 's/E_ALL \& ~E_DEPRECATED \& ~E_STRICT/E_ALL \& ~E_DEPRECATED \& ~E_STRICT \& ~E_NOTICE \& ~E_WARNING/g' /etc/php84/php.ini
+# log php errors to /srv/logs/php_errors.log
+RUN echo "error_log = /srv/logs/php_errors.log" >> /etc/php84/php.ini
 
 # Install additional PHP extensions
-RUN apk add --no-cache php83-ctype php83-dom php83-fileinfo php83-gd php83-iconv php83-simplexml php83-xml php83-xmlreader php83-xmlwriter php83-zip php83-phar php83-openssl
-RUN curl -sS https://getcomposer.org/installer | /usr/bin/php83 -- --install-dir=/usr/bin --filename=composer
+RUN apk add --no-cache php84-ctype php84-dom php84-fileinfo php84-gd php84-iconv php84-simplexml php84-xml php84-xmlreader php84-xmlwriter php84-zip php84-phar php84-openssl
+RUN curl -sS https://getcomposer.org/installer | /usr/bin/php84 -- --install-dir=/usr/bin --filename=composer
 
 ADD docker/start.sh /start.sh
 RUN chmod +x /start.sh
diff --git a/docker/start.sh b/docker/start.sh
old mode 100644
new mode 100755
index 5c28dbf..33b15a0
--- a/docker/start.sh
+++ b/docker/start.sh
@@ -1,6 +1,6 @@
 
 echo ' [+] Starting php'
-php-fpm83
+php-fpm84
 
 cd /srv/src
 composer install
diff --git a/logs/.gitignore b/logs/.gitignore
old mode 100644
new mode 100755
diff --git a/web/index.php b/web/index.php
index 73d0b41..56a8310 100644
--- a/web/index.php
+++ b/web/index.php
@@ -23,6 +23,12 @@ switch($url[0])
         $target = substr($_SERVER['REQUEST_URI'],5);
         if(!$target || !filter_var($target, FILTER_VALIDATE_URL))
             $target = $_REQUEST['url'];
+        if(!filter_var($target, FILTER_VALIDATE_URL))
+        {
+            header('HTTP/1.0 400 Bad Request');
+            echo 'Invalid URL';
+            exit;
+        }
         $viewport = $_REQUEST['viewport'];
         $js = $_REQUEST['js']=='false'?false:true;