Add a defer function to ensure the temporary file is closed and removed after the download is complete. Update the io.Copy to ignore errors to prevent panic in case of write failures.
Add docker configuration for building and running the application, including a dockerfile and docker-compose.yml. Set up go modules with dependencies and create the basic api structure with main.go, models, and wrapper files. Include .dockerignore and .gitignore files to manage ignored files and directories. Add constants for ipatool path and global flags.
