diff --git a/.env b/.env
new file mode 100644
index 0000000..81ff7ce
--- /dev/null
+++ b/.env
@@ -0,0 +1,9 @@
+# User and Group settings
+GROUP_ID=1000
+GROUP_NAME=www-data
+USER_ID=1000
+USER_NAME=www-data
+
+# Yii2 environment settings
+YII_DEBUG=true
+YII_ENV=dev
diff --git a/codeception.yml b/codeception.yml
index f05a2ae..5732d5a 100644
--- a/codeception.yml
+++ b/codeception.yml
@@ -3,10 +3,10 @@ bootstrap: _bootstrap.php
 support_namespace: Support
 paths:
   tests: tests
-  output: runtime/output
+  output: public/runtime/output
   data: tests/Support/data
   support: tests/Support
-  envs: runtime/_envs
+  envs: public/runtime/_envs
 actor_suffix: Tester
 settings:
   memory_limit: 1024M
diff --git a/docker-compose.frankenphp.yml b/docker-compose.frankenphp.yml
index a6559c1..b1f2171 100644
--- a/docker-compose.frankenphp.yml
+++ b/docker-compose.frankenphp.yml
@@ -1,8 +1,16 @@
 services:
   yii2-frankenphp:
     build:
+      args:
+        USER_ID: ${USER_ID:-1000}
+        GROUP_ID: ${GROUP_ID:-1000}
+        USER_NAME: ${USER_NAME:-www-data}
+        GROUP_NAME: ${GROUP_NAME:-www-data}
+      context: .
       dockerfile: docker/frankenphp/Dockerfile
     container_name: yii2-frankenphp
+    env_file:
+      - .env
     restart: always
     working_dir: /app
     volumes:
@@ -16,6 +24,8 @@ services:
       - '8444:443/udp'
     environment:
       TZ: "UTC"
+      YII_DEBUG: "${YII_DEBUG:-false}"
+      YII_ENV: "${YII_ENV:-prod}"
     tty: true
 
 # Volumes needed for Caddy certificates and configuration
diff --git a/docker/frankenphp/Dockerfile b/docker/frankenphp/Dockerfile
index 118869c..f46ab27 100644
--- a/docker/frankenphp/Dockerfile
+++ b/docker/frankenphp/Dockerfile
@@ -1,5 +1,11 @@
 FROM dunglas/frankenphp:1.8-php8.4
 
+# Build arguments for user/group
+ARG USER_ID=1000
+ARG GROUP_ID=1000
+ARG USER_NAME=www-data
+ARG GROUP_NAME=www-data
+
 # Change web server config
 COPY docker/frankenphp/Caddyfile /etc/caddy/Caddyfile
 
@@ -47,7 +53,18 @@ COPY docker/frankenphp/supervisord/conf.d/frankenphp.conf /etc/supervisor/conf.d
 # Copy queue worker config uncommented for use with yii2-queue
 #COPY docker/frankenphp/supervisord/conf.d/queue.conf /etc/supervisor/conf.d/queue.conf
 
-RUN mkdir -p /var/run && chown -R www-data:www-data /var/run
+# Create necessary directories and set permissions
+RUN mkdir -p /app/runtime/cache /app/runtime/logs && \
+    chown -R ${USER_NAME}:${GROUP_NAME} /var/run /app && \
+    chown -R ${USER_NAME}:${GROUP_NAME} /app/public /app/runtime && \
+    chmod -R 755 /app && \
+    chmod -R 775 /app/runtime /app/public
+
+# Copy init script
+COPY docker/init.sh /usr/local/bin/init.sh
+
+# Make init script executable
+RUN chmod +x /usr/local/bin/init.sh
 
-# Run supervisord
-CMD ["supervisord", "-c", "/etc/supervisor/supervisord.conf"]
+# Run initialization script and then supervisord
+CMD ["/usr/local/bin/init.sh"]
diff --git a/docker/init.sh b/docker/init.sh
new file mode 100644
index 0000000..8c3de96
--- /dev/null
+++ b/docker/init.sh
@@ -0,0 +1,21 @@
+# Check if composer.json exists and vendor directory doesn't exist
+if [ -f "/app/composer.json" ] && [ ! -d "/app/vendor" ]; then
+    echo "Installing Composer dependencies..."
+
+    # Install dependencies based on environment
+    if [ "$YII_ENV" = "prod" ]; then
+        # Production: exclude dev dependencies and optimize autoloader
+        composer install --no-dev --optimize-autoloader --no-interaction
+    else
+        # Development: include dev dependencies
+        composer install --optimize-autoloader --no-interaction
+    fi
+
+    # Set proper ownership for vendor directory
+    chown -R $USER_NAME:$GROUP_NAME /app/vendor
+
+    echo "Composer dependencies installed successfully."
+fi
+
+# Start supervisord
+exec supervisord -c /etc/supervisor/supervisord.conf
diff --git a/docker/php/php.ini b/docker/php/php.ini
index 4f7adf6..92fe1f7 100644
--- a/docker/php/php.ini
+++ b/docker/php/php.ini
@@ -1,18 +1,23 @@
-;apc.enable_cli = 1
+# Global PHP configuration for the Docker container
 date.timezone = UTC
+display_errors = Off
+expose_php = Off
+memory_limit = 512M
+post_max_size = 150M
 session.auto_start = Off
 short_open_tag = Off
-expose_php = Off
 upload_max_filesize = 15M
-post_max_size = 150M
-memory_limit = 512M
-display_errors = Off
 
 # https://symfony.com/doc/current/performance.html
+# OPcache optimizations
+opcache.enable = 1
+opcache.enable_cli = 1
 opcache.interned_strings_buffer = 16
+opcache.jit = tracing
+opcache.jit_buffer_size = 64M
 opcache.max_accelerated_files = 20000
 opcache.memory_consumption = 256
-opcache.validate_timestamps = 0
+opcache.revalidate_freq = 2
+opcache.validate_timestamps = 1
 realpath_cache_size = 4096K
-realpath_cache_ttl = 600
-opcache.preload_user = www-data
\ No newline at end of file
+realpath_cache_ttl = 120
diff --git a/phpstan.neon b/phpstan.neon
index ced0425..b0c30f3 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -14,7 +14,7 @@ parameters:
         - tests/Functional
         - tests/Unit
 
-    tmpDir: %currentWorkingDirectory%/runtime
+    tmpDir: %currentWorkingDirectory%/public/runtime
 
     yii2:
         config_path: %currentWorkingDirectory%/config/web/app.php
diff --git a/runtime/.gitignore b/runtime/.gitignore
deleted file mode 100644
index d6b7ef3..0000000
--- a/runtime/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
diff --git a/runtime/output/.gitkeep b/runtime/output/.gitkeep
deleted file mode 100644
index e69de29..0000000