Initial code for Hw-go xApp

Initial code for xApp.

Signed-off-by: subhash kumar singh <subh.singh@samsung.com>
Change-Id: I71711d1a5cf97a1b975d50cfe641ce23a66fc4bb
diff --git a/Dockerfile b/Dockerfile
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+#   Copyright (c) 2020 Samsung.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+#----------------------------------------------------------
+#
+#----------------------------------------------------------
+
+FROM nexus3.o-ran-sc.org:10004/o-ran-sc/bldr-ubuntu18-c-go:9-u18.04 as xapp-base
+RUN apt-get update -y \
+    &&apt-get install -y \
+    apt-utils \
+    cmake \
+    gawk \
+    sudo \
+    nano \
+    jq \
+    gettext-base \
+    bison \
+    flex \
+    curl \
+    tree
+
+RUN curl -s https://packagecloud.io/install/repositories/o-ran-sc/master/script.deb.sh | bash
+
+# RMR
+ARG RMRVERSION=4.2.2
+#RUN apt-get install -y rmr=${RMRVERSION} rmr-dev=${RMRVERSION}
+RUN wget --content-disposition https://packagecloud.io/o-ran-sc/release/packages/debian/stretch/rmr_${RMRVERSION}_amd64.deb/download.deb && dpkg -i rmr_${RMRVERSION}_amd64.deb
+RUN wget --content-disposition https://packagecloud.io/o-ran-sc/release/packages/debian/stretch/rmr-dev_${RMRVERSION}_amd64.deb/download.deb && dpkg -i rmr-dev_${RMRVERSION}_amd64.deb
+RUN rm -f rmr_${RMRVERSION}_amd64.deb rmr-dev_${RMRVERSION}_amd64.deb
+
+#
+RUN ldconfig
+
+#
+ENV PATH="/usr/local/go/bin:${PATH}"
+
+WORKDIR "/"
+CMD ["/bin/bash"]
+
+#----------------------------------------------------------
+#
+#----------------------------------------------------------
+FROM xapp-base as xapp-base-testbuild
+
+
+RUN mkdir -p /ws
+WORKDIR "/ws"
+
+COPY . /ws
+# Module prepare (if go.mod/go.sum updated)
+#COPY go.mod /ws
+#COPY go.sum /ws
+#RUN go mod download
+
+#RUN go build hwApp.go
+