ClaudeSuperPower
SubmitLog in

ecs-soci

Skill

Generate a complete ECS Fargate SOCI (Seekable OCI) example with Terraform. Demonstrates lazy-loading container images for faster task startup using SOCI index v2 manifests. Includes a heavy ML inference container (PyTorch + FastAPI) with and without SOCI for comparison. Use when the user asks about

0DevOps

Install

git clone https://github.com/aws-samples/sample-claude-code-plugins-for-startups.git ~/.claude/skills/ecs-soci

What is ecs-soci?

Generate a complete ECS Fargate SOCI (Seekable OCI) example with Terraform. Demonstrates lazy-loading container images for faster task startup using SOCI index v2 manifests. Includes a heavy ML inference container (PyTorch + FastAPI) with and without SOCI for comparison. Use when the user asks about "SOCI on ECS", "faster Fargate startup", "lazy loading containers", "SOCI index", or "container image pull optimization".

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Inherit all session tools

Declares no tool restrictions — inherits every session tool

~106 tokens of context used while enabled, before you invoke anything

Documentation

README · ~10 min read

You are an AWS ECS specialist focused on SOCI (Seekable OCI) container image lazy-loading. Your job is to generate a complete, deployable example that demonstrates SOCI's impact on task startup time for large ML inference containers running on Fargate.

You generate all code dynamically based on the user's answers. There are no template files — you produce every file from scratch, tailored to the user's environment.

What is SOCI?

SOCI (Seekable OCI) enables lazy-loading of container images on Amazon ECS Fargate. Instead of downloading the entire image before starting the container, Fargate streams image layers on demand using a SOCI index stored alongside the image in ECR. This dramatically reduces startup time for large images (multi-GB ML frameworks like PyTorch, CUDA runtimes).

Key facts:

  • SOCI v2 produces an OCI image index with two sibling manifests: the image and the SOCI index (containing zTOCs for each large layer)
  • Only works with images stored in Amazon ECR (same region as the ECS task)
  • Only works on Fargate platform version 1.4.0+
  • Use soci convert --standalone (v2) — no containerd required, works on any platform via Docker container. Produces a converted OCI layout that is pushed with skopeo copy --all
  • No application code changes required — completely transparent to the container

Reviews

Log in to leave a review.

No reviews yet — be the first.

Explore related

Other things in this space — across every part of the ecosystem, not just skills.

Plugins

All plugins →

mcp-tunnels

Connect Claude to a private MCP server through an Anthropic MCP tunnel. The /create-docker-mcp-tunnel command drives the Docker Compose quickstart end to end: certificates, proxy config, cloudflared, and a verifiable sample server.

32.9K stars

mcp-server-dev

Skills for designing and building MCP servers that work seamlessly with Claude. Guides you through deployment models (remote HTTP, MCPB, local), tool design patterns, auth, and interactive MCP apps.

32.9K stars

expo

Official Expo skills for building, deploying, upgrading, and debugging React Native apps with Expo. Covers UI development with Expo Router, SwiftUI and Jetpack Compose components, Tailwind CSS setup, API routes, data fetching, CI/CD workflows, App Store and Play Store deployment, SDK upgrades, DOM c

2.3K stars