Use docker to build, since kaniko fails for unknown reason

.gitlab-ci.yml

@@ -5,19 +5,43 @@ stages:
  - test
  - deploy
 
+variables:
+  # When using dind service, we need to instruct docker, to talk with
+  # the daemon started inside of the service. The daemon is available
+  # with a network connection instead of the default
+  # /var/run/docker.sock socket. docker:19.03.1 does this automatically
+  # by setting the DOCKER_HOST in
+  # https://github.com/docker-library/docker/blob/d45051476babc297257df490d22cbd806f1b11e4/19.03.1/docker-entrypoint.sh#L23-L29
+  #
+  # The 'docker' hostname is the alias of the service container as described at
+  # https://docs.gitlab.com/ee/ci/docker/using_docker_images.html#accessing-the-services.
+  #
+  # Note that if you're using GitLab Runner 12.7 or earlier with the Kubernetes executor and Kubernetes 1.6 or earlier,
+  # the variable must be set to tcp://localhost:2376 because of how the
+  # Kubernetes executor connects services to the job container
+  # DOCKER_HOST: tcp://localhost:2376
+  #
+  # Specify to Docker where to create the certificates, Docker will
+  # create them automatically on boot, and will create
+  # `/certs/client` that will be shared between the service and job
+  # container, thanks to volume mount from config.toml
+  DOCKER_TLS_CERTDIR: "/certs"
+  DOCKER_DRIVER: overlay
 
-.kaniko-build:
-  image: 
-    name: gcr.io/kaniko-project/executor:debug
-    entrypoint: ['']
+
+.docker-build:
+  image: docker:19.03
   tags:
     - build
     - docker
+  services: 
+    - docker:19.03-dind
   before_script:
-    - mkdir -p /kaniko/.docker
-    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
+    - docker info
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   script:
-    - /kaniko/executor --context $CI_PROJECT_DIR/$IMAGE_PATH --dockerfile $CI_PROJECT_DIR/$IMAGE_PATH/Dockerfile --destination $IMAGE_NAME/$IMAGE_PATH:$IMAGE_TAG
+    - docker build --pull -t "$IMAGE_NAME/$IMAGE_PATH:$IMAGE_TAG" $IMAGE_PATH
+    - docker push "$IMAGE_NAME/$IMAGE_PATH:$IMAGE_TAG"
   parallel:
     matrix:
       - IMAGE_PATH: [build, base]
@@ -27,7 +51,7 @@ docker-build-master:
   # Official docker image.
   stage: build
   extends:
-    .kaniko-build
+    .docker-build
   variables:
     IMAGE_NAME: $CI_REGISTRY_IMAGE
     IMAGE_TAG: latest
@@ -38,7 +62,7 @@ docker-build-branches:
   # Official docker image.
   stage: build
   extends:
-    .kaniko-build
+    .docker-build
   variables:
     IMAGE_NAME: $CI_REGISTRY_IMAGE
     IMAGE_TAG: $CI_COMMIT_REF_SLUG
@@ -50,7 +74,7 @@ docker-build-branches:
 docker-build-tags:
   stage: build
   extends: 
-    .kaniko-build
+    .docker-build
   variables:
     IMAGE_NAME: $CI_REGISTRY_IMAGE
     IMAGE_TAG: $CI_COMMIT_REF_NAME