default SELF withFileFromFile(String path, File file, Integer mode) {
        return withFileFromPath(path, file.toPath(), mode);
    }
Adds file with given mode to tarball copied into container.
@param path in tarball
@param file in host filesystem
@param mode octal value of posix file mode (000..777)
@return self
core/src/main/java/org/testcontainers/images/builder/traits/FilesTrait.java