proxMon/agent/Dockerfile.build

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# Reproducible Burrito build environment for the agent.
# Produces linux_amd64 + linux_arm64 binaries into /work/agent/burrito_out.
# Keep elixir/OTP in sync with what the project compiles against locally
# (see `elixir --version` — currently Elixir 1.19 on OTP 28).
FROM elixir:1.19-otp-28 AS build
ENV MIX_ENV=prod DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential git ca-certificates curl xz-utils unzip 7zip \
&& rm -rf /var/lib/apt/lists/*
# Zig (Burrito needs it for cross-compile)
ARG ZIG_VERSION=0.13.0
RUN curl -fsSL https://ziglang.org/download/${ZIG_VERSION}/zig-linux-$(uname -m)-${ZIG_VERSION}.tar.xz \
| tar -xJ -C /opt && ln -s /opt/zig-linux-*/zig /usr/local/bin/zig
WORKDIR /work/agent
RUN mix local.hex --force && mix local.rebar --force
# Copy sources last for layer caching
COPY mix.exs mix.lock ./
RUN mix deps.get --only prod
COPY lib lib
COPY config config
RUN mix deps.compile
RUN mix release
# Default: print the produced artifacts
CMD ["sh", "-c", "ls -la burrito_out/"]