Update kaniko calls

* Use multi-line strings for better readability
* Move the context to the KANIKO_ARGS

.gitlab-ci.yml

@@ -78,8 +78,15 @@ warmup:
     name: gcr.io/kaniko-project/executor:debug
     entrypoint: [""]
   variables:
-    KANIKO_CACHE_ARGS: "--cache=true --cache-copy-layers=true --cache-run-layers=true --cache-ttl=24h --cache-repo=$CI_REGISTRY_IMAGE/cache"
-    KANIKO_ARGS: "--skip-unused-stages=true"
+    KANIKO_CACHE_ARGS:
+      --cache=true
+      --cache-copy-layers=true
+      --cache-run-layers=true
+      --cache-ttl=24h
+      --cache-repo=$CI_REGISTRY_IMAGE/cache
+    KANIKO_ARGS:
+      --skip-unused-stages=true
+      --context $CI_PROJECT_DIR
   before_script:
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"},\"https://index.docker.io/v1/\":{\"username\":\"$DOCKER_HUB_USER\",\"password\":\"$DOCKER_HUB_PASSWORD\"}}}" > /kaniko/.docker/config.json
     - echo "{\"tag\":\"$CI_COMMIT_TAG\",\"commit\":\"$CI_COMMIT_SHA\",\"branch\":\"$CI_COMMIT_BRANCH\",\"ci\":true}" > src/version.json
@@ -114,7 +121,11 @@ meta_build:
   variables:
     PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
   script:
-    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/.meta/Dockerfile --destination $CI_REGISTRY_IMAGE/build_image:$CI_PIPELINE_ID $KANIKO_ARGS $KANIKO_CACHE_ARGS
+    - /kaniko/executor
+        $KANIKO_ARGS
+        $KANIKO_CACHE_ARGS
+        --dockerfile $CI_PROJECT_DIR/.meta/Dockerfile
+        --destination $CI_REGISTRY_IMAGE/build_image:$CI_PIPELINE_ID
   rules:
     - when: always
 
@@ -227,23 +238,35 @@ build_test:
     - generate_css
     - sanity_check
   script:
-    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination $CI_REGISTRY_IMAGE/ci/hub:ci-$CI_PIPELINE_ID-test $KANIKO_ARGS $KANIKO_CACHE_ARGS
+    - /kaniko/executor
+        $KANIKO_ARGS
+        $KANIKO_CACHE_ARGS
+        --dockerfile $CI_PROJECT_DIR/Dockerfile
+        --destination $CI_REGISTRY_IMAGE/ci/hub:ci-$CI_PIPELINE_ID-test
 
 build_nginx:
   extends: .container-build
   needs:
     - generate_css
-    - build_test
   script:
-    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --target nginx --destination $CI_REGISTRY_IMAGE/ci/nginx:ci-$CI_PIPELINE_ID $KANIKO_ARGS $KANIKO_CACHE_ARGS
+    - /kaniko/executor
+        $KANIKO_ARGS
+        $KANIKO_CACHE_ARGS
+        --dockerfile $CI_PROJECT_DIR/Dockerfile
+        --target nginx
+        --destination $CI_REGISTRY_IMAGE/ci/nginx:ci-$CI_PIPELINE_ID
 
 build_release:
   extends: .container-build
   needs:
     - generate_css
-    - build_test
   script:
-    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --target webworker --destination $CI_REGISTRY_IMAGE/ci/hub:ci-$CI_PIPELINE_ID $KANIKO_ARGS $KANIKO_CACHE_ARGS
+    - /kaniko/executor
+        $KANIKO_ARGS
+        $KANIKO_CACHE_ARGS
+        --dockerfile $CI_PROJECT_DIR/Dockerfile
+        --target webworker
+        --destination $CI_REGISTRY_IMAGE/ci/hub:ci-$CI_PIPELINE_ID
 
 test_internals:
   extends: