Add fast generator for cog build (#2108)
* Add fast generator
* Add copy weights step
* Add package installation step
* Add user cache to the monobase
* Resolve monobase caching into the local
userspace to allow for monobase caching between
builds
* Add rsync copy
* Check if weight files have changed before checksum
* Split install into separate steps
* We can get the tarballs for each of these layers
instead of creating 1 big tarball.
* Create requirements.txt in the build tmp directory
* Fix unit tests
* Fix lint
* Add basic unit tests
* Use UV_CACHE_DIR and mount uv cache
* Remove —skip-cuda from monobase build
* Monobase now handles empty CUDA env vars
* Fix file not found when evaluating weights
* Add UV_LINK_MODE=copy to the uv install commands
* Add UV_COMPILE_BYTECODE env var
* Remove verbosity from monobase exec
* Fix integration test
* Switch tini and exec
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Signed-off-by: Will Sackfield <sackfield@replicate.com>
