diff --git a/dist/rpm/barrier.spec.in b/dist/rpm/barrier.spec.in
index b175ded8..7e4f778f 100644
--- a/dist/rpm/barrier.spec.in
+++ b/dist/rpm/barrier.spec.in
@@ -9,6 +9,20 @@ Packager: Debauchee <todo@mail.com>
 License: GPLv2
 Release: @BARRIER_BUILD_NUMBER@@BARRIER_SNAPSHOT_INFO@%{?dist}
 
+# bonjour headers: dns_sd.h at least for CentOS-7 and CentOS-6
+BuildRequires: avahi-compat-libdns_sd-devel
+
+# possible issue here for cmake: on CentOS-7, cmake is cmake 2.x and barrier needs cmake 3.x
+# which is available from EPEL as cmake3, that might not be the case for other RPMS based distro
+%if 0%{?rhel} == 7
+BuildRequires: cmake3 
+%endif
+
+# EPEL also provide cmake3 for CentOS-6, but I have tried to build barrier on CentOS-6 yet
+%if 0%{?rhel} == 6
+BuildRequires: cmake3 
+%endif
+
 %description
 Barrier allows you to share one mouse and keyboard between multiple computers.
 Work seamlessly across Windows, macOS and Linux.
diff --git a/docker/CentOS-6/Dockerfile b/docker/CentOS-6/Dockerfile
new file mode 100644
index 00000000..6a7eee89
--- /dev/null
+++ b/docker/CentOS-6/Dockerfile
@@ -0,0 +1,16 @@
+FROM centos:centos6
+
+RUN yum -y update && yum -y upgrade
+RUN yum -y install epel-release
+RUN yum -y install git cmake3 make qt5-qtbase-devel gcc \
+ avahi-compat-libdns_sd-devel gcc-c++ curl-devel \
+ openssl-devel \
+ libXtst-devel libXinerama-devel libICE-devel libXrandr-devel
+
+# c6 g++ is not CXX14
+RUN yum -y install centos-release-scl-rh
+# devtoolset-3 is enough but one can use devtoolset-N
+RUN yum -y install devtoolset-3-gcc-c++.x86_64
+
+RUN git clone https://github.com/debauchee/barrier/
+RUN cd barrier && scl enable devtoolset-3 ./clean_build.sh | tee clean_build.log && tar czvf build.tgz build clean_build.log
diff --git a/docker/CentOS-7/Dockerfile b/docker/CentOS-7/Dockerfile
new file mode 100644
index 00000000..f916030d
--- /dev/null
+++ b/docker/CentOS-7/Dockerfile
@@ -0,0 +1,11 @@
+FROM centos:centos7
+
+RUN yum -y update && yum -y upgrade
+RUN yum -y install epel-release
+RUN yum -y install git cmake3 make qt5-qtbase-devel gcc \
+ avahi-compat-libdns_sd-devel gcc-c++ curl-devel \
+ openssl-devel \
+ libXtst-devel libXinerama-devel libICE-devel libXrandr-devel
+
+RUN git clone https://github.com/debauchee/barrier/
+RUN cd barrier && ./clean_build.sh | tee clean_build.log && tar czvf build.tgz build clean_build.log