Add Dockerfile

Dockerfile

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+FROM python:3.14.3-trixie
+
+SHELL ["/bin/bash", "-c"]
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+ARG IDF_PATH=/builder/ESP8266_RTOS_SDK
+
+ENV PATH="$PATH:/builder/xtensa-lx106-elf/bin"
+ENV PYTHONPATH="$PYTHONPATH:/usr/lib/python3/dist-packages"
+
+WORKDIR /builder
+
+USER root
+RUN \
+	apt-get update && \
+	apt-get install -y \
+		gcc \
+		git \
+		wget \
+		make \
+		cmake \
+		libncurses-dev \
+		flex \
+		bison \
+		python-is-python3 \
+		python3-setuptools \
+		python3-pip \
+		python3-serial \
+		esptool \
+		ninja-build && \
+	apt-get clean && \
+	rm -f -r '/var/lib/apt/' && \
+	rm -f -r '/var/cache/apt/'
+
+ENV LANG=en_US.utf8
+
+RUN wget -O- https://dl.espressif.com/dl/xtensa-lx106-elf-linux64-1.22.0-100-ge567ec7-5.2.0.tar.gz | \
+	tar -zxf -
+
+COPY . .
+
+RUN set -ex && \
+	python -m pip install --upgrade --user pip && \
+	python -m pip install --user -r ./ESP8266_RTOS_SDK/requirements.txt
+
+RUN set -ex && \
+		python ./idf.py fullclean && \
+		python ./idf.py build && \
+		echo "::set-output name=status::success"
+
+RUN set -ex && \
+	for chip in 'esp8266' 'esp32' 'esp32c3' 'esp32s3'; \
+	do \
+		bootloader_addr=0x0; \
+		if [ $chip == 'esp32']; then \
+			bootloader_addr=0x1000; \
+		fi; \
+		esptool \
+			--chip $chip \
+			merge_bin  \
+			-o build/wireless_esp_dap_full_$chip.bin \
+			$bootloader_addr build/bootloader/bootloader.bin \
+			0x8000 build/partition_table/partition-table.bin \
+			0x10000 build/wireless_esp_dap.bin ;\
+	done
+
+EXPOSE 8000
+
+CMD ["python", "-m", "http.server", "8000"]