How it works

builder = (
    Template()
    .from_node_image("24")
    .npm_install(["typescript"], g=True)
    .set_runtime_envs({"NODE_ENV": "production"})
)

build = Template.build(builder, name="node-agent", tags=["stable"])

const template = await client.templates
  .builder()
  .fromNodeImage("24")
  .npmInstall(["typescript"], { global: true })
  .build({ name: "node-agent", tags: ["stable"] });

nullspace template build \
  --from-node-image 24 \
  --npm-install typescript --npm-global \
  --set-runtime-env NODE_ENV=production \
  --name node-agent \
  --tag stable

# Builds stream over SSE; see the API reference for the full request schema.
curl -N -X POST "${NULLSPACE_API_URL}/v1/templates/build" \
  -H "Authorization: Bearer ${NULLSPACE_API_KEY}" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "node-agent",
    "tags": ["stable"],
    "base_image": "node:24",
    "steps": [{"action": "npm_install", "packages": ["typescript"], "g": true}],
    "runtime_config": {"default_envs": {"NODE_ENV": "production"}}
  }'