Add gitlab CI config

.gitlab-ci.yml

+# GitLab CI configuration for building and publishing Docker images
+
+stages:
+  - build
+
+variables:
+  # Docker image name based on the GitLab project path
+  IMAGE_NAME: ${CI_REGISTRY_IMAGE}
+  # Use Docker BuildKit for better performance
+  DOCKER_BUILDKIT: 1
+  # Build arguments
+  DOCKER_BUILD_ARGS: ""
+
+# Build and publish Docker image when a tag is pushed
+build-and-publish:
+  stage: build
+  image: docker:latest
+  services:
+    - docker:dind
+  # Only run this job when a tag is pushed
+  rules:
+    - if: $CI_COMMIT_TAG
+  before_script:
+    # Log in to the GitLab Container Registry
+    - echo -n $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+  script:
+    # Build the Docker image with the tag as version
+    - docker build --pull ${DOCKER_BUILD_ARGS} -t ${IMAGE_NAME}:${CI_COMMIT_TAG} .
+    # Push the versioned tag
+    - docker push ${IMAGE_NAME}:${CI_COMMIT_TAG}
+    - echo "Docker image '${IMAGE_NAME}:${CI_COMMIT_TAG}' was built and pushed to the registry"
+  # Cache Docker layers between jobs
+  cache:
+    key: ${CI_COMMIT_REF_SLUG}
+    paths:
+      - .docker-cache/

Dockerfile

 # Use cimg/android:2025.04-ndk as the base image
 FROM cimg/android:2025.04-ndk
 
+USER root
+
 # Set environment variables
 ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \