Switch to port 7860 (HF default) to fix proxy connectivity

Fix: use full path for opencode binary in exec

Fix: write entrypoint to HOME instead of root /

Fix: use existing node user (UID 1000) instead of creating new one

Single RUN layer: all setup in one step

Inline entrypoint in Dockerfile, no COPY needed

Remove jq and xz-utils from apt-get

Runtime install: download OpenCode on first boot

Minimal test: can HF build anything?

Runtime install approach: download OpenCode at container start

Download install script first, then run it

Use official install script with pinned version, HOME=/root

Debug: list files in downloader stage

Fix: use alpine with tar for downloader stage

Multi-stage build: download in curlimage, copy to node

Debug: test if GitHub download works from HF build servers

Simplify Dockerfile: install to user home, ensure chown

Hardcode x64 arch for HF free tier

Remove opencode --version check that may fail during build

Fix Dockerfile: download binary directly instead of install script

Add Dockerfile for OpenCode