fix composer package

Dockerfile

@@ -18,6 +18,10 @@ RUN install-php-extensions \
     tokenizer \
     simplexml
 
+# Install Composer
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+RUN chmod +x /usr/bin/composer
+
 # -------------------------
 # Node.js layer
 # -------------------------
@@ -72,10 +76,6 @@ FROM base AS opencart
 RUN install-php-extensions \
     mysqli
 
-
-# Install Composer
-COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
-	
 # Fix permissions for storage & cache (FrankenPHP runs as UID 65534 = nobody)
 RUN if [ -d /app/storage ]; then chown -R 65534:65534 /app/storage /app/bootstrap/cache; fi