From f38ff28f4b94ca39032d2246126e8423be254e8a Mon Sep 17 00:00:00 2001
From: Arnaud Delcasse <arnaud.delcasse@coopgo.fr>
Date: Tue, 1 Jun 2021 08:04:55 +0200
Subject: [PATCH] Add gitlab-ci

---
 .gitignore     |  1 +
 .gitlab-ci.yml | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .gitlab-ci.yml

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..a48cf0de
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+public
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 00000000..f16a5838
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,57 @@
+image: docker:18
+
+stages:
+  - build
+  - push
+
+before_script:
+  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
+
+Build:
+  stage: build
+  script:
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - >
+      docker build
+      --pull
+      --build-arg GITLAB_USER=gitlab-ci-token
+      --build-arg GITLAB_PASS=$CI_JOB_TOKEN
+      --cache-from $CI_REGISTRY_IMAGE:latest
+      --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+      .
+    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+
+Push latest:
+  variables:
+    # We are just playing with Docker here. 
+    # We do not need GitLab to clone the source code.
+    GIT_STRATEGY: none
+  stage: push
+  only:
+    # Only "master" should be tagged "latest"
+    - master
+  script:
+    # Because we have no guarantee that this job will be picked up by the same runner 
+    # that built the image in the previous step, we pull it again locally
+    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+    # Then we tag it "latest"
+    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:latest
+    # Annnd we push it.
+    - docker push $CI_REGISTRY_IMAGE:latest
+
+
+
+# Finally, the goal here is to Docker tag any Git tag
+# GitLab will start a new pipeline everytime a Git tag is created, which is pretty awesome
+Push tag:
+  variables:
+    # Again, we do not need the source code here. Just playing with Docker.
+    GIT_STRATEGY: none
+  stage: push
+  only:
+    # We want this job to be run on tags only.
+    - tags
+  script:
+    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+    - docker tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME