Module templates 

Runtime templates for ZLayer builder

This module provides pre-built Dockerfile templates for common runtimes, allowing users to build container images without writing Dockerfiles.

Usage

Templates can be used via the zlayer build command:

# Use a specific runtime template
zlayer build --runtime node20

# Auto-detect runtime from project files
zlayer build --detect-runtime

Available Runtimes

• Node.js 20 (node20): Production-ready Node.js 20 with Alpine base
• Node.js 22 (node22): Production-ready Node.js 22 with Alpine base
• Python 3.12 (python312): Python 3.12 slim with pip packages
• Python 3.13 (python313): Python 3.13 slim with pip packages
• Rust (rust): Static binary build with musl
• Go (go): Static binary build with Alpine
• Deno (deno): Official Deno runtime
• Bun (bun): Official Bun runtime

Auto-Detection

The detect_runtime function can automatically detect the appropriate runtime based on files present in the project directory:

• package.json -> Node.js (unless Bun or Deno indicators present)
• bun.lockb -> Bun
• deno.json or deno.jsonc -> Deno
• Cargo.toml -> Rust
• requirements.txt, pyproject.toml, setup.py -> Python
• go.mod -> Go

Structs

RuntimeInfo

Information about a runtime template

Enums

Runtime

Supported runtime environments

Functions

detect_runtime

Detect the runtime from files in the given directory.

detect_runtime_with_version

Detect runtime with version hints from project files.

get_template

Get template content for a runtime

get_template_by_name

Get template content by runtime name

list_templates

List all available templates

resolve_runtime

Resolve runtime from either explicit name or auto-detection