first commit.

.devcontainer/Dockerfile

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+ARG VARIANT=bookworm-slim
+FROM debian:${VARIANT}
+ENV DEBIAN_FRONTEND=noninteractive
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
+
+# Arguments
+ARG CONTAINER_USER=esp
+ARG CONTAINER_GROUP=esp
+ARG ESP_BOARD=all
+ARG GITHUB_TOKEN
+
+# Install dependencies
+RUN apt-get update \
+    && apt-get install -y pkg-config curl gcc clang libudev-dev unzip xz-utils \
+    git wget flex bison gperf python3 python3-pip python3-venv cmake ninja-build ccache libffi-dev libssl-dev dfu-util libusb-1.0-0 \
+    && apt-get clean -y && rm -rf /var/lib/apt/lists/* /tmp/library-scripts
+
+# Set users
+RUN adduser --disabled-password --gecos "" ${CONTAINER_USER}
+USER ${CONTAINER_USER}
+WORKDIR /home/${CONTAINER_USER}
+
+# Install rustup
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- \
+    --default-toolchain none -y --profile minimal
+
+# Update envs
+ENV PATH=${PATH}:/home/${CONTAINER_USER}/.cargo/bin
+
+# Install extra crates
+RUN ARCH=$($HOME/.cargo/bin/rustup show | grep "Default host" | sed -e 's/.* //') && \
+    curl -L "https://github.com/esp-rs/espup/releases/latest/download/espup-${ARCH}" -o "${HOME}/.cargo/bin/espup" && \
+    chmod u+x "${HOME}/.cargo/bin/espup" && \
+    curl -L "https://github.com/esp-rs/espflash/releases/latest/download/cargo-espflash-${ARCH}.zip" -o "${HOME}/.cargo/bin/cargo-espflash.zip" && \
+    unzip "${HOME}/.cargo/bin/cargo-espflash.zip" -d "${HOME}/.cargo/bin/" && \
+    rm "${HOME}/.cargo/bin/cargo-espflash.zip" && \
+    chmod u+x "${HOME}/.cargo/bin/cargo-espflash" && \
+    curl -L "https://github.com/esp-rs/espflash/releases/latest/download/espflash-${ARCH}.zip" -o "${HOME}/.cargo/bin/espflash.zip" && \
+    unzip "${HOME}/.cargo/bin/espflash.zip" -d "${HOME}/.cargo/bin/" && \
+    rm "${HOME}/.cargo/bin/espflash.zip" && \
+    chmod u+x "${HOME}/.cargo/bin/espflash" && \
+    curl -L "https://github.com/esp-rs/embuild/releases/latest/download/ldproxy-${ARCH}.zip" -o "${HOME}/.cargo/bin/ldproxy.zip" && \
+    unzip "${HOME}/.cargo/bin/ldproxy.zip" -d "${HOME}/.cargo/bin/" && \
+    rm "${HOME}/.cargo/bin/ldproxy.zip" && \
+    chmod u+x "${HOME}/.cargo/bin/ldproxy" && \
+    curl -L "https://github.com/esp-rs/esp-web-flash-server/releases/latest/download/web-flash-${ARCH}.zip" -o "${HOME}/.cargo/bin/web-flash.zip" && \
+    unzip "${HOME}/.cargo/bin/web-flash.zip" -d "${HOME}/.cargo/bin/" && \
+    rm "${HOME}/.cargo/bin/web-flash.zip" && \
+    chmod u+x "${HOME}/.cargo/bin/web-flash"
+
+# Install Xtensa Rust
+RUN if [ -n "${GITHUB_TOKEN}" ]; then export GITHUB_TOKEN=${GITHUB_TOKEN}; fi  \
+    && ${HOME}/.cargo/bin/espup install\
+    --targets "${ESP_BOARD}" \
+    --log-level debug \
+    --export-file /home/${CONTAINER_USER}/export-esp.sh
+
+# Set default toolchain
+RUN rustup default nightly
+
+
+# Activate ESP environment
+RUN echo "source /home/${CONTAINER_USER}/export-esp.sh" >> ~/.bashrc
+
+CMD [ "/bin/bash" ]