Merge branch 'gitlab-registry' into 'master'

ADD use Gtilab's registry to host image

See merge request oelmekki/postgres-350d!2

.gitlab-ci.yml

@@ -4,9 +4,19 @@ services:
 
 stages:
 - test
+- build
 
 testing_image:
   stage: test
   script:
     - docker build -t pg-350d .
     - ./test.sh
+
+upload_image:
+  stage: build
+  variables:
+    IMAGE_TAG: $CI_REGISTRY_IMAGE:15.3
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build -t $IMAGE_TAG .
+    - docker push $IMAGE_TAG

README.md

@@ -18,6 +18,14 @@ editing this dockerfile.
 The cube extension, which you'll use to perform operations on vectors, has
 a hard limit of 100 dimensions per vector.
 
+## Download
+
+A built image is available on Gitlab's registry. You can pull it this way:
+
+```
+docker pull registry.gitlab.com/oelmekki/postgres-350d:15.3
+```
+
 ## Is it safe?
 
 Patching the hardcoded limit is [the recommended way in postgres