buildx failed with: ERROR: failed to solve: process "/bin/sh -c if [ -z \"$IMAGE_TAG\" ]; then echo \"No IMAGE_TAG specified. Exiting.\" && exit 1 elif [ \"$IMAGE_TAG\" = \"mariadb\" ]; then apk add --no-cache mariadb-client elif [ \"$IMAGE_TAG\" = \"postgresql\"]; then apk add --no-cache postgresql-client fi" did not complete successfully: exit code: 2