# ============================================================

# FLUX Fleet — Base Image

# Multi-language runtime: Python 3.11, Go 1.21, Node 20, Rust

# ============================================================

FROM ubuntu:22.04 AS base

LABEL maintainer="SuperInstance <[email protected]>"

LABEL org.opencontainers.image.title="FLUX Fleet Base"

LABEL org.opencontainers.image.description="Multi-language base image for FLUX Fleet agents"

LABEL org.opencontainers.image.source="https://github.com/SuperInstance/fleet-containers"

ENV DEBIAN_FRONTEND=noninteractive

ENV LANG=C.UTF-8

ENV LC_ALL=C.UTF-8

ENV PYTHONUNBUFFERED=1

ENV PATH="/usr/local/go/bin:${HOME}/.cargo/bin:/usr/local/bin:${PATH}"

# --- System dependencies ---

RUN apt-get update && apt-get install -y --no-install-recommends \

curl \

wget \

ca-certificates \

gnupg \

lsb-release \

software-properties-common \

build-essential \

pkg-config \

libssl-dev \

libffi-dev \

git \

jq \

yq \

unzip \

locales \

procps \

&& locale-gen en_US.UTF-8 \

&& rm -rf /var/lib/apt/lists/*

# --- Python 3.11 ---

RUN add-apt-repository ppa:deadsnakes/ppa && apt-get update && \

apt-get install -y --no-install-recommends \

python3.11 \

python3.11-venv \

python3.11-dev \

python3-pip \

&& ln -sf /usr/bin/python3.11 /usr/bin/python3 \

&& ln -sf /usr/bin/python3.11 /usr/bin/python \

&& python3 -m pip install --no-cache-dir --upgrade pip setuptools wheel \

&& rm -rf /var/lib/apt/lists/*

# --- Go 1.21 ---

ARG GO_VERSION=1.21.13

RUN wget -qO /tmp/go.tar.gz "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" && \

tar -C /usr/local -xzf /tmp/go.tar.gz && \

rm /tmp/go.tar.gz && \

go version

# --- Node.js 20 ---

RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \

apt-get install -y --no-install-recommends nodejs && \

npm install -g npm@latest && \

rm -rf /var/lib/apt/lists/* && \

node --version && npm --version

# --- Rust (latest stable) ---

RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable && \

. "${HOME}/.cargo/env" && \

rustc --version && cargo --version

# --- Common Python packages ---

RUN python3 -m pip install --no-cache-dir \

requests \

pyyaml \

pytest \

docker-compose

# --- Working directory ---

WORKDIR /fleet

# --- Health check ---

COPY healthcheck.py /usr/local/bin/healthcheck.py

RUN chmod +x /usr/local/bin/healthcheck.py

HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \

CMD ["python3", "/usr/local/bin/healthcheck.py"]

CMD ["/bin/bash"]