FROM node:lts-slim

ENV DEBIAN_FRONTEND=noninteractive \
    DOCKER_HOST=unix:///var/run/docker.sock

# Cài git + Docker CLI (repo chính thức Docker)
RUN set -eux; \
    apt-get update; \
    apt-get install -y --no-install-recommends ca-certificates curl gnupg lsb-release git; \
    install -m 0755 -d /etc/apt/keyrings; \
    curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc; \
    chmod a+r /etc/apt/keyrings/docker.asc; \
    . /etc/os-release; \
    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian ${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/*

WORKDIR /app
