ARG BASE_IMAGE_TAG=ere-base:latest FROM ${BASE_IMAGE_TAG} # The ere-base image provides Rust, Cargo, and common tools. # We operate as root for SDK installation. # Copy the Pico SDK installer script from the workspace context COPY scripts/sdk_installers/install_pico_sdk.sh /tmp/install_pico_sdk.sh RUN chmod +x /tmp/install_pico_sdk.sh RUN rustup default nightly # Run the Pico SDK installation script. # This script installs the specific Rust toolchain (nightly-2025-08-04) # and installs pico-cli (as cargo-pico). # The CARGO_HOME from ere-base (e.g., /root/.cargo) will be used, and cargo-pico will be in its bin. RUN /tmp/install_pico_sdk.sh && rm /tmp/install_pico_sdk.sh # Clean up the script # Define the Pico toolchain for convenience in subsequent commands if needed, though cargo pico should use it. ENV PICO_TOOLCHAIN_VERSION="nightly-2025-08-04" # Set default toolchain RUN rustup default "$PICO_TOOLCHAIN_VERSION" # Verify Pico installation RUN echo "Verifying Pico installation in Dockerfile (post-script)..." && cargo pico --version CMD ["/bin/bash"]