Upgrade Template to new SDK

[mishushakov]

• CPU/Memory increased due to OOM on build
• Added ready command (check for URL)
• We're copying user configuration file after user is and home directory is set

---

Note

Moves the template to the new E2B Python SDK with script-driven builds, updates CI to use E2B_API_KEY and buildx, removes legacy Dockerfiles/e2b.toml, adjusts startup paths, and updates docs.

• Template build system:
  • Introduces SDK-driven template builder template/template.py and build scripts (build_ci.py, build_prod.py, build_test.py).
  • Removes legacy files: template/Dockerfile, template/test.Dockerfile, template/e2b.Dockerfile, template/e2b.toml.
  • Adds dev deps template/requirements-dev.txt.
• CI/CD:
  • Switches secrets to E2B_API_KEY; sets up Python 3.13 and installs requirements-dev.txt.
  • Generates template ID in workflow and uses it as job output.
  • Replaces CLI-based builds with python build_ci.py / build_prod.py.
  • Docker image build now pipes build_docker.py output to docker buildx build and pushes latest.
• Runtime/startup:
  • Updates start-up.sh to new paths (/.server, .config/...) and starts Uvicorn from venv.
  • Template start command includes readiness check via wait_for_url.
  • Resource defaults increased to cpu_count=2, memory_mb=2048 (was 1024 MB).
• Makefile:
  • start-template-server now builds via template/build_docker.py.
• Docs:
  • template/README.md rewritten to use the new SDK workflow.
• Versioning:
  • Changeset: minor bump for @e2b/code-interpreter-template.

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[linear]

ENG-3178 Convert Code Interpreter Template to new SDK

[jakubno]

one nit