buildx failed with: ERROR: failed to solve: process "/bin/sh -c chown -R www-data:www-data /app/backend && find /app/backend -type d -exec chmod 755 {} \\; && find /app/backend -type f -exec chmod 644 {} \\; && chmod -R 777 /app/backend/storage /app/backend/bootstrap/cache && composer install --working-dir=/app/backend --ignore-platform-reqs --no-interaction --no-dev --optimize-autoloader --prefer-dist && chmod -R 777 /app/backend/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCache/Serializer" did not complete successfully: exit code: 1

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/