chore(ci): refactoring of build pipeline

Signed-off-by: Raphael Defosseux <raphael.defosseux@openairinterface.org>

ci-scripts/docker/Dockerfile.ci.clang-format

+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
+# *
+# * 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.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+#---------------------------------------------------------------------
+#
+FROM ubuntu:focal as smf-clang-format-check
+ARG MERGE_REQUEST_CHECK
+ARG SOURCE_BRANCH
+ARG TARGET_BRANCH
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install --yes \
+      git \
+      tree \
+      clang-format-9
+
+WORKDIR /home
+COPY . .
+
+RUN /bin/bash -c "if [[ -v MERGE_REQUEST_CHECK ]]; then ./ci-scripts/checkCodingFormattingRules.sh --src-branch $SOURCE_BRANCH --target-branch $TARGET_BRANCH; else ./ci-scripts/checkCodingFormattingRules.sh; fi"

ci-scripts/docker/Dockerfile.ci.cppcheck

+#/*
+# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+# * contributor license agreements.  See the NOTICE file distributed with
+# * this work for additional information regarding copyright ownership.
+# * The OpenAirInterface Software Alliance licenses this file to You under
+# * the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
+# *
+# * 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.
+# *-------------------------------------------------------------------------------
+# * For more information about the OpenAirInterface (OAI) Software Alliance:
+# *      contact@openairinterface.org
+# */
+#---------------------------------------------------------------------
+#
+FROM ubuntu:focal as smf-cppcheck
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install --yes cppcheck
+
+WORKDIR /home
+COPY . .
+
+RUN cppcheck --enable=warning --force \
+      --xml --xml-version=2 \
+      --suppressions-list=ci-scripts/cppcheck_suppressions.list src \
+      2> cppcheck.xml \
+      1> cppcheck_build.log