p.realm = realm
	}
}

// KeyCloak initializes a new keycloak provider
func KeyCloak(opts ...Option) (Provider, error) {
	p := &KeycloakProvider{}

	for _, opt := range opts {
		opt(p)
	}

	if p.adminURL == "" {
		return nil, errors.New("Admin URL cannot be empty")
	}

	_, err := url.Parse(p.adminURL)
	if err != nil {

	// Extract values safely
	// BOOL WINAPI GetVolumeInformation(
	// _In_opt_  LPCTSTR lpRootPathName,
	// _Out_opt_ LPTSTR  lpVolumeNameBuffer,
	// _In_      DWORD   nVolumeNameSize,
	// _Out_opt_ LPDWORD lpVolumeSerialNumber,
	// _Out_opt_ LPDWORD lpMaximumComponentLength,
	// _Out_opt_ LPDWORD lpFileSystemFlags,
	// _Out_opt_ LPTSTR  lpFileSystemNameBuffer,
	// _In_      DWORD   nFileSystemNameSize
	// );

> NOTE: make sure your AD/Windows user has write permissions to *D:\data* prior to using `credentialspec=`.

```powershell
docker run \
  -p 9000:9000 \
  -p 9001:9001 \
  --name minio1 \
  --security-opt "credentialspec=file://myuser.json"
  -e "MINIO_ROOT_USER=AKIAIOSFODNN7EXAMPLE" \
  -e "MINIO_ROOT_PASSWORD=wJalrXUtnFEMIK7MDENGbPxRfiCYEXAMPLEKEY" \
  -v D:\data:/data \

FROM minio/minio:latest

ENV PATH=/opt/bin:$PATH

COPY ./minio /opt/bin/minio
COPY dockerscripts/docker-entrypoint.sh /usr/bin/docker-entrypoint.sh

ENTRYPOINT ["/usr/bin/docker-entrypoint.sh"]

VOLUME ["/data"]

	lpTotalNumberOfBytes := int64(0)
	lpTotalNumberOfFreeBytes := int64(0)

	// Extract values safely
	// BOOL WINAPI GetDiskFreeSpaceEx(
	// _In_opt_  LPCTSTR         lpDirectoryName,
	// _Out_opt_ PULARGE_INTEGER lpFreeBytesAvailable,
	// _Out_opt_ PULARGE_INTEGER lpTotalNumberOfBytes,
	// _Out_opt_ PULARGE_INTEGER lpTotalNumberOfFreeBytes
	// );
	_, _, _ = GetDiskFreeSpaceEx.Call(uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))),

- For installations using Systemd MinIO service, upgrade via RPM/DEB packages **parallelly** on all servers or replace the binary lets say `/opt/bin/minio` on all nodes, apply executable permissions `chmod +x /opt/bin/minio` and process to perform `mc admin service restart alias/`.

<https://dl.min.io> and replace the existing MinIO binary let's say for example `/opt/bin/minio`, apply executable permissions `chmod +x /opt/bin/minio` and proceed to perform `mc admin service restart alias/`. - For installations using Systemd MinIO service, upgrade via RPM/DEB packages **parallelly** on all servers or replace the binary lets say `/opt/bin/minio` on all nodes, apply executable permissions `chmod +x /opt/bin/minio` and process to perform `mc admin service restart alias/`. ### Upgrade...