Add dockerfile for rhtap (#81)

Signed-off-by: philipwu08 <[email protected]>

build/Dockerfile.rhtap

@@ -0,0 +1,24 @@
+FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_8_1.20 AS builder
+
+WORKDIR go/src/open-cluster-management.io/multicloud-operators-channel
+COPY . .
+RUN make -f Makefile build
+
+FROM registry.access.redhat.com/ubi8/ubi-minimal:latest
+
+RUN microdnf update && \
+     microdnf clean all
+
+ENV OPERATOR=/usr/local/bin/multicluster-operators-channel \
+    USER_UID=1001 \
+    USER_NAME=multicluster-operators-channel
+
+# install operator binary
+COPY --from=builder go/src/open-cluster-management.io/multicloud-operators-channel/build/_output/bin/multicluster-operators-channel ${OPERATOR}
+
+COPY build/bin /usr/local/bin
+RUN  /usr/local/bin/user_setup
+
+ENTRYPOINT ["/usr/local/bin/entrypoint"]
+
+USER ${USER_UID}