diff --git a/roles/copr/backend/files/provision/files/mock/custom-0-i386.cfg b/roles/copr/backend/files/provision/files/mock/custom-0-i386.cfg
new file mode 100644
index 0000000000..1187c91cc0
--- /dev/null
+++ b/roles/copr/backend/files/provision/files/mock/custom-0-i386.cfg
@@ -0,0 +1,24 @@
+config_opts['root'] = 'custom-0-i386'
+config_opts['target_arch'] = 'i686'
+config_opts['legal_host_arches'] = ('i386', 'i586', 'i686', 'x86_64')
+config_opts['chroot_setup_cmd'] = 'install @buildsys-build'
+config_opts['extra_chroot_dirs'] = [ '/run/lock', ]
+config_opts['package_manager'] = 'dnf'
+
+config_opts['dnf.conf'] = """
+[main]
+keepcache=1
+debuglevel=2
+reposdir=/dev/null
+logfile=/var/log/dnf.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+install_weak_deps=0
+metadata_expire=0
+mdpolicy=group:primary
+
+"""
diff --git a/roles/copr/backend/files/provision/files/mock/custom-0-ppc64le.cfg b/roles/copr/backend/files/provision/files/mock/custom-0-ppc64le.cfg
new file mode 100644
index 0000000000..9632a3db97
--- /dev/null
+++ b/roles/copr/backend/files/provision/files/mock/custom-0-ppc64le.cfg
@@ -0,0 +1,24 @@
+config_opts['root'] = 'custom-0-ppc64le'
+config_opts['target_arch'] = 'ppc64le'
+config_opts['legal_host_arches'] = ('ppc64le',)
+config_opts['chroot_setup_cmd'] = 'install @buildsys-build'
+config_opts['extra_chroot_dirs'] = [ '/run/lock', ]
+config_opts['package_manager'] = 'dnf'
+
+config_opts['dnf.conf'] = """
+[main]
+keepcache=1
+debuglevel=2
+reposdir=/dev/null
+logfile=/var/log/dnf.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+install_weak_deps=0
+metadata_expire=0
+mdpolicy=group:primary
+
+"""
diff --git a/roles/copr/backend/files/provision/files/mock/custom-0-x86_64.cfg b/roles/copr/backend/files/provision/files/mock/custom-0-x86_64.cfg
new file mode 100644
index 0000000000..edbd21e8bf
--- /dev/null
+++ b/roles/copr/backend/files/provision/files/mock/custom-0-x86_64.cfg
@@ -0,0 +1,24 @@
+config_opts['root'] = 'custom-0-x86_64'
+config_opts['target_arch'] = 'x86_64'
+config_opts['legal_host_arches'] = ('x86_64',)
+config_opts['chroot_setup_cmd'] = 'install @buildsys-build'
+config_opts['extra_chroot_dirs'] = [ '/run/lock', ]
+config_opts['package_manager'] = 'dnf'
+
+config_opts['dnf.conf'] = """
+[main]
+keepcache=1
+debuglevel=2
+reposdir=/dev/null
+logfile=/var/log/dnf.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+install_weak_deps=0
+metadata_expire=0
+mdpolicy=group:primary
+
+"""