BUILD.bazel

 pkg_tar(
     name = "interpreter",
     srcs = [
         "@python3_9//:files",
     ],
     mode = "0644",
     package_dir = "/usr/local/python",
     strip_prefix = ".",
 )

 container_image(
     name = "python_base_image",
     base = "@distroless//base",
     tags = [":interpreter"],
     visibility = ["//visibility:public"],
 )
 
  py3_image(
     name = "my_app_image",
     srcs = [":my_app"],
     base = ":python_image",
     imports = ["."],
     main = "//python/my_app:__main__.py",
 )