Dockerfile for esp-mbedtls project

Dockerfile

FROM ubuntu:24.04

# Set environment variables
ENV DEBIAN_FRONTEND=noninteractive
ENV CARGO_TERM_COLOR=always
ENV CARGO_INCREMENTAL=0
ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
ENV ESPUP_EXPORT_FILE=/root/exports

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    build-essential \
    cmake \
    python3 \
    python3-pip \
    pkg-config \
    libssl-dev \
    unzip \
    && rm -rf /var/lib/apt/lists/*

# Set up working directory
WORKDIR /workspace

# Install Rust with rustup
RUN curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused \
    --location --silent --show-error --fail https://sh.rustup.rs | \
    sh -s -- --default-toolchain none -y

# Add Cargo to PATH
ENV PATH="/root/.cargo/bin:$PATH"
ENV CARGO_HOME="/root/.cargo"

# Install stable Rust toolchain with required components
RUN rustup toolchain install stable \
    --target $(uname -m)-unknown-linux-gnu \
    --component rust-src \
    --component rustfmt \
    --profile minimal \
    --no-self-update

# Set stable as default
RUN rustup default stable

# Install nightly Rust toolchain for ESP32 targets
RUN rustup toolchain install nightly \
    --target riscv32imc-unknown-none-elf \
    --component rust-src \
    --component rustfmt \
    --profile minimal \
    --allow-downgrade \
    --no-self-update

# Download and install ldproxy
RUN curl -LO https://github.com/esp-rs/embuild/releases/latest/download/ldproxy-$(uname -m)-unknown-linux-gnu.zip && \
    unzip -o ldproxy-$(uname -m)-unknown-linux-gnu.zip -d "$CARGO_HOME/bin" && \
    chmod +x "$CARGO_HOME/bin/ldproxy"* && \
    rm ldproxy-$(uname -m)-unknown-linux-gnu.zip

# Download and install espup
RUN curl -LO https://github.com/esp-rs/espup/releases/latest/download/espup-$(uname -m)-unknown-linux-gnu.zip && \
    unzip -o espup-$(uname -m)-unknown-linux-gnu.zip -d "$CARGO_HOME/bin" && \
    chmod +x "$CARGO_HOME/bin/espup"* && \
    rm espup-$(uname -m)-unknown-linux-gnu.zip

# Install ESP toolchain using espup
RUN bash -c 'source "$CARGO_HOME/env" && espup install -l debug --targets all -e'

# Set environment variables for ESP toolchain
ENV LIBCLANG_PATH="/root/.rustup/toolchains/esp/xtensa-esp32-elf-clang/esp-19.1.2_20250225/esp-clang/lib"
ENV CLANG_PATH="/root/.rustup/toolchains/esp/xtensa-esp32-elf-clang/esp-19.1.2_20250225/esp-clang/bin/clang"
ENV HOST_TARGET="$(uname -m)-unknown-linux-gnu"

# Set nightly as default for ESP development
RUN rustup default nightly

# Create a script to source ESP environment variables
RUN echo '#!/bin/bash' > /usr/local/bin/source-esp-env && \
    echo 'source /root/exports 2>/dev/null || true' >> /usr/local/bin/source-esp-env && \
    echo 'exec "$@"' >> /usr/local/bin/source-esp-env && \
    chmod +x /usr/local/bin/source-esp-env

WORKDIR "/workspace"

# Set the entrypoint to source ESP environment
ENTRYPOINT ["/usr/local/bin/source-esp-env"]

# Default command
CMD ["/bin/bash"]