pycom esp32 Dockerfile

FROM ubuntu:16.04

# Install build dependencies (and vim for editing)
RUN apt-get -qq update \
    && apt-get install -y git build-essential wget make libncurses-dev flex bison gperf python python-serial python-dev libssl-dev libffi-dev vim \
    && apt-get clean \
	&& wget https://bootstrap.pypa.io/get-pip.py \
	&& python get-pip.py \
	&& ln -s /usr/local/bin/pip /usr/bin/pip \
	&& pip install --upgrade setuptools\
	&& pip install --upgrade future \
	&& pip install --upgrade cryptography \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# Create some directories
RUN mkdir -p /esp \
    && mkdir /esp/project

# Get the ESP32 toolchain and extract it to /esp/xtensa-esp32-elf
RUN wget -O /esp/esp-32-toolchain.tar.gz https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-80-g6c4433a-5.2.0.tar.gz \
    && tar -xzf /esp/esp-32-toolchain.tar.gz -C /esp \
    && rm /esp/esp-32-toolchain.tar.gz
   
# Install ESP-IDF	
WORKDIR /esp	
RUN git clone --recurse-submodules https://github.com/pycom/pycom-esp-idf esp-idf \
    && pip install -r /esp/esp-idf/requirements.txt

# Setup IDF_PATH	
ENV IDF_PATH /esp/esp-idf
    
# Add the toolchain binaries to PATH
ENV PATH /esp/xtensa-esp32-elf/bin:$PATH

# This is the directory where our project will show up
WORKDIR /esp/project