Added SWET to the container and switched to kaniko

.gitlab-ci.yml

-image: docker:20.10.10
+stages:
+  - build
 
 build-image:
   stage: build
-  variables:
-    IMAGE_NAME: "os-sweb-image"
-    IMAGE_TAG: $CI_REGISTRY_IMAGE/$IMAGE_NAME:latest
-  services:
-    - docker:20.10.10-dind
+  image:
+      name: gcr.io/kaniko-project/executor:v1.9.0-debug
   script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - docker build -t $IMAGE_TAG .
-    - docker push $IMAGE_TAG
+    - /kaniko/executor
+      --context "${CI_PROJECT_DIR}"
+      --dockerfile "Dockerfile"
+      --destination "${CI_REGISTRY_IMAGE}:latest"
+      --build-arg CI_TOKEN=${CI_JOB_TOKEN}
   rules:
     - if: $CI_COMMIT_BRANCH == "main"
       changes:

Dockerfile

 FROM alpine:3.16
 
+ARG CI_TOKEN
+
 RUN apk update
 # QEMU-Dependencies
 RUN apk update && apk add qemu qemu-img qemu-system-x86_64 \
@@ -8,6 +10,8 @@ RUN apk update && apk add qemu qemu-img qemu-system-x86_64 \
     # https://packages.ubuntu.com/jammy/build-essential
     gcc g++ make libc-dev \
     # Install other sweb Dependencies
-    python3 cmake
+    python3 py3-pip cmake
+
+RUN pip install swet --extra-index-url https://gitlab-ci-token:$CI_TOKEN@gitlab.tugraz.at/api/v4/projects/21215/packages/pypi/simple
 
 WORKDIR /sweb