FROM ubuntu:22.04

LABEL maintainer="homelab"
LABEL description="ubuntu-latest runner image — Node 20 + Docker CLI + git"

ENV DEBIAN_FRONTEND=noninteractive
ENV NODE_VERSION=20

RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    wget \
    git \
    ca-certificates \
    gnupg \
    unzip \
    jq \
    openssh-client \
    && rm -rf /var/lib/apt/lists/*

# Node.js 20 LTS
RUN curl -fsSL https://deb.nodesource.com/setup_${NODE_VERSION}.x | bash - \
    && apt-get install -y --no-install-recommends nodejs \
    && rm -rf /var/lib/apt/lists/*

# Docker CLI only (no daemon)
RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg \
      -o /etc/apt/keyrings/docker.asc \
    && chmod a+r /etc/apt/keyrings/docker.asc \
    && echo "deb [arch=$(dpkg --print-architecture) \
      signed-by=/etc/apt/keyrings/docker.asc] \
      https://download.docker.com/linux/ubuntu \
      $(. /etc/os-release && echo "$VERSION_CODENAME") stable" \
      > /etc/apt/sources.list.d/docker.list \
    && apt-get update \
    && apt-get install -y --no-install-recommends docker-ce-cli \
    && rm -rf /var/lib/apt/lists/*

# Smoke tests
RUN node --version && docker --version && git --version