diff --git a/docker/production/Dockerfile b/docker/production/Dockerfile
index 09281a666..419cac393 100644
--- a/docker/production/Dockerfile
+++ b/docker/production/Dockerfile
@@ -99,6 +99,9 @@ RUN mkdir -p /usr/local/bin && \
 COPY docker/production/etc/php/conf.d/zzz-custom-php.ini /usr/local/etc/php/conf.d/zzz-custom-php.ini
 ENV PHP_OPCACHE_ENABLE=1
 
+# Configure entrypoint
+COPY --chmod=755 docker/production/entrypoint.d/ /usr/local/bin/entrypoint.d/
+
 # Copy application files from previous stages
 COPY --from=base --chown=www-data:www-data /var/www/html/vendor ./vendor
 COPY --from=static-assets --chown=www-data:www-data /app/public/build ./public/build
diff --git a/docker/production/entrypoint.d/99-debug-mode.sh b/docker/production/entrypoint.d/99-debug-mode.sh
new file mode 100644
index 000000000..d1c8e5aa8
--- /dev/null
+++ b/docker/production/entrypoint.d/99-debug-mode.sh
@@ -0,0 +1,6 @@
+# Debug mode
+if [ "$DEBUG" = "true" ]; then
+    echo "Debug mode is enabled"
+    echo "Installing development dependencies..."
+    composer install --dev --no-scripts
+fi