fix: add nodejs and npm to docker image for prisma generate

[DmitriyAlergant]

Fixes cross-platform Docker build issue where prisma generate fails when building for amd64 platform from macOS using OrbStack while attempting to install nodejs.

When python prisma attempts to bootstrap nodeenv to run prisma generate it seems to be failing in this image (chainguard) in this environment.

docker buildx build . -f Dockerfile -t litellm:mybuild --platform linux/amd64

Error log before the change (original state)

...
=> [runtime 11/16] RUN chmod +x docker/install_auto_router.sh && ./docker/install_auto_router.sh                                                                                                               3.7s 
 => ERROR [runtime 12/16] RUN prisma generate                                                                                                                                                                   9.4s 
------                                                                                                                                                                                                               
 > [runtime 12/16] RUN prisma generate:                                                                                                                                                                              
0.919 Installing Prisma CLI                                                                                                                                                                                          
1.381  * Install prebuilt node (25.2.1) ../usr/lib/python3.13/site-packages/nodeenv.py:639: DeprecationWarning: Python 3.14 will, by default, filter extracted tar archives and reject files or modify their metadata. Use the filter argument to control this behavior.                                                                                                                                                                  
3.723   archive.extractall(src_dir, extract_list)                                                                                                                                                                    
5.676 ... done.
8.438 An error ocurred while installing the Prisma CLI; npm install log: npm error cannot set sizeCalculation without setting maxSize or maxEntrySize
8.438 npm error A complete log of this run can be found in: /root/.npm/_logs/2025-11-21T01_16_51_193Z-debug-0.log
8.438 
8.444 Traceback (most recent call last):
8.448   File "/usr/bin/prisma", line 7, in <module>
8.448     sys.exit(main())
8.448              ~~~~^^
8.448   File "/usr/lib/python3.13/site-packages/prisma/cli/cli.py", line 39, in main
8.448     sys.exit(prisma.run(args[1:]))
8.448              ~~~~~~~~~~^^^^^^^^^^
8.448   File "/usr/lib/python3.13/site-packages/prisma/cli/prisma.py", line 36, in run
8.448     entrypoint = ensure_cached().entrypoint
8.448                  ~~~~~~~~~~~~~^^
8.448   File "/usr/lib/python3.13/site-packages/prisma/cli/prisma.py", line 104, in ensure_cached
8.448     proc.check_returncode()
8.448     ~~~~~~~~~~~~~~~~~~~~~^^
8.448   File "/usr/lib/python3.13/subprocess.py", line 508, in check_returncode
8.448     raise CalledProcessError(self.returncode, self.args, self.stdout,
8.448                              self.stderr)
8.448 subprocess.CalledProcessError: Command '['/root/.cache/prisma-python/nodeenv/bin/npm', 'install', 'prisma@5.4.2']' returned non-zero exit status 1.
------
Dockerfile:76
--------------------
  74 |     
  75 |     # Generate prisma client
  76 | >>> RUN prisma generate
  77 |     RUN chmod +x docker/entrypoint.sh
  78 |     RUN chmod +x docker/prod_entrypoint.sh
--------------------
ERROR: failed to build: failed to solve: process "/bin/sh -c prisma generate" did not complete successfully: exit code: 1

The same command succeeds after proposed change

Pre-Submission checklist

• [N/A] I have Added testing in the [tests/litellm/]
• [N/A] I have added a screenshot of my new test passing locally
• [N/A] My PR passes all unit tests on [make test-unit]
• [Y] My PR's scope is as isolated as possible, it only solves 1 specific problem

Type

🚄 Infrastructure

Changes

Adding nodejs npm to the image

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