Updated Dockerfile to copy package.json files for backend, modified build script in frontend package.json to prevent emitting, adjusted TypeScript configuration to allow unused locals and parameters, and refactored App and WheelCanvas components for improved functionality and code clarity.

Added database_url variable to staging deployment configuration in .gitlab-ci.yml for backend deployment.

Initial setup of Docker configuration for Spin The Wheel application, including Dockerfiles for backend and frontend, docker-compose file, and CI/CD pipeline configuration in .gitlab-ci.yml. Added .dockerignore files for backend and frontend to exclude unnecessary files from Docker builds.