refactor: move images to images/

Signed-off-by: Vojtěch Mareš <vojtech@mares.cz>

.gitlab-ci.yml

@@ -3,8 +3,6 @@ image:
   entrypoint: [""]
 
 variables:
-  PACKER_LOG: 1          # enable detailed logging
-  PACKER_VAR_FILE: "vars.pkrvars.hcl"
   PACKER_CONFIG_DIR: $CI_PROJECT_DIR
 
 cache:
@@ -19,13 +17,14 @@ stages:
 .parallel:
   parallel:
     matrix:
-      - IMAGE: [ "flatcar" ]
+      - IMAGE:
+        - flatcar-stable
 
 validate:
   extends: .parallel
   stage: validate
   variables:
-    PACKER_WORKSPACE: images/$IMAGE
+    PACKER_WORKSPACE: images
   script:
     - packer init $PACKER_WORKSPACE
     - packer fmt -check $PACKER_WORKSPACE
@@ -34,11 +33,7 @@ validate:
 build-image:
   extends: .parallel
   stage: build
-  variables:
-    PACKER_FILE: images/$IMAGE/image.pkr.hcl
   script:
-    - |
-      packer build \
-        $PACKER_FILE
+    - packer build $IMAGE.pkr.hcl
   rules:
     - if: $CI_COMMIT_BRANCH == "main"