Resolve FTS-1678

Closes FTS-1678

.gitlab-ci/Dockerfile-rpm

+FROM centos:7
+
+RUN yum-config-manager --enable centos-sclo-rh  && \
+    yum clean all
+RUN yum-config-manager --add-repo http://fts-repo.web.cern.ch/fts-repo/testing/el7/x86_64/  && \
+    yum clean all
+RUN yum install --nogpgcheck epel-release centos-release-scl -y  && \
+    yum clean all
+RUN yum install --nogpgcheck fts-rest-server fts-rest-client -y && \
+    yum clean all
+
+RUN yum install --nogpgcheck python3 python36-pytest git python3-devel openssl-devel swig gcc gcc-c++ make mysql-devel mariadb \
+    -y && yum clean all
+
+RUN useradd --create-home ci
+
+# create directory for logs
+RUN chown ci /var/log/fts3rest
+
+WORKDIR /home/ci
+USER ci
+