Fix Dockerfile and ensure mandatory endpoints

Enable DEFAULT_MODEL env var and update Agent.md secrets

Dockerfile: use node:20-alpine to avoid undici assertion error

Dockerfile: use mkdir -p .next

Simplified Dockerfile to avoid undici assertion error

Dockerfile: use --ignore-scripts in deps layer

Disable scripts in pnpm via config in Dockerfile

Use npm install -g pnpm in Dockerfile

Try pnpm approve-builds in Dockerfile

Disable pnpm side-effects-cache in Dockerfile

Fix Dockerfile dependency installation

Upload folder using huggingface_hub (part 8)