Add Dockerfile based on Red Hat UBI (#372)

Dockerfile.release.ubi

@@ -0,0 +1,16 @@
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3
+
+LABEL name="MinIO" \
+      vendor="MinIO Inc <dev@min.io>" \
+      maintainer="MinIO Inc <dev@min.io>" \
+      version="v3.0.29" \
+      release="v3.0.29" \
+      summary="MinIO Operator brings native support for MinIO, Console, and Encryption to Kubernetes." \
+      description="MinIO object storage is fundamentally different. Designed for performance and the S3 API, it is 100% open-source. MinIO is ideal for large, private cloud environments with stringent security requirements and delivers mission-critical availability across a diverse range of workloads."
+
+COPY CREDITS /licenses/CREDITS
+COPY LICENSE /licenses/LICENSE
+COPY ca-certificates.crt /etc/ssl/certs/
+COPY minio-operator /minio-operator
+
+CMD ["/minio-operator"]