Merge branch 'builder-image' into 'master'

Use igwn/builder image for source and binary packages

See merge request !47

.gitlab/ci/debian.yml

@@ -13,10 +13,10 @@ include:
 # -- macros
 
 .buster:
-  image: igwn/base:buster
+  image: igwn/builder:buster
 
 .bullseye:
-  image: igwn/base:bullseye
+  image: igwn/builder:bullseye
 
 # -- source packages --------
 #
@@ -116,6 +116,7 @@ test:buster:
   needs:
     - tarball
     - deb:buster
+  image: igwn/base:buster
 
 test:bullseye:
   extends:
@@ -124,6 +125,7 @@ test:bullseye:
   needs:
     - tarball
     - deb:bullseye
+  image: igwn/base:bullseye
 
 # -- lint -------------------
 #

.gitlab/ci/rhel.yml

@@ -13,12 +13,12 @@ include:
 # -- macros
 
 .el7:
-  image: igwn/base:el7-testing
+  image: igwn/builder:el7-testing
   variables:
     EPEL: "true"
 
 .el8:
-  image: igwn/base:el8-testing
+  image: igwn/builder:el8-testing
   variables:
     EPEL: "true"
 
@@ -103,6 +103,7 @@ test:el7:
   needs:
     - tarball
     - rpm:el7
+  image: igwn/base:el7-testing
 
 # -- EL8 has python3-flask < 1.0.0
 #test:el8: