From: Mark Hansen <markhansen@google.com>
Date: Sun, 14 Feb 2021 02:03:14 +0000 (+1100)
Subject: Experimental: build docker image in GitLab CI
X-Git-Tag: 2.47.0~87^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=86b2d6af0a172d087e9ea8bdc1e87b201a169384;p=graphviz

Experimental: build docker image in GitLab CI

Starting with just centos7

Following the instructions at https://about.gitlab.com/blog/2019/08/28/building-build-images/.

Haven't set up the environment variables yet.
---

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ed7780fd2..573c17910 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,5 @@
 stages:
+    - build_docker_images
     - source
     - build
     - test
@@ -586,3 +587,22 @@ deployment:
     # do not run this job for MRs, developer’s forks, etc.
     only:
         - master@graphviz/graphviz
+
+build-docker:
+  image: docker:stable
+  services:
+    - docker:dind
+  stage: build_docker_images
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - cd ci/centos7
+    - docker build -t $CI_REGISTRY/graphviz/graphviz:centos7 .
+    - docker push $CI_REGISTRY/graphviz/graphviz:centos7
+  only:
+    refs:
+        - master@graphviz/graphviz
+    changes:
+      - ci/centos7/Dockerfile
+  # prevent it re-running on tagged commits
+  except:
+    - tags
diff --git a/ci/centos7/Dockerfile b/ci/centos7/Dockerfile
index 265a81fa9..aeeb8ff2c 100644
--- a/ci/centos7/Dockerfile
+++ b/ci/centos7/Dockerfile
@@ -1,3 +1,4 @@
+# Touch the file to force a rebuild
 FROM centos:7
 
 # Development tools