build: add build using docker

.gitignore

@@ -5,4 +5,5 @@
 __pycache__/
 _attic/
 build/
+build-docker/
 emu.config

Dockerfile

@@ -0,0 +1,19 @@
+# initialize from the image
+
+FROM debian:9
+
+# install build tools and dependencies
+
+RUN apt-get update && apt-get install -y \
+    build-essential git python3-pip \
+    gcc-arm-none-eabi libnewlib-arm-none-eabi \
+    gcc-multilib
+
+RUN pip3 install click pyblake2 scons
+RUN pip3 install --no-deps git+https://github.com/trezor/python-trezor.git@master
+
+# workarounds for weird default install
+
+RUN ln -s python3 /usr/bin/python
+ENV SCONS_LIB_DIR=/usr/local/lib/python3.5/dist-packages/scons-3.0.0
+ENV LC_ALL=C.UTF-8 LANG=C.UTF-8

build-docker.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+IMAGE=trezor-core-build
+TAG=${1:-master}
+
+docker build -t $IMAGE .
+docker run -t -v $(pwd)/build-docker:/build:z $IMAGE /bin/sh -c "\
+	git clone https://github.com/trezor/trezor-core && \
+	cd trezor-core && \
+	ln -s /build build &&
+	git checkout $TAG && \
+	git submodule update --init --recursive && \
+	make vendorheader && \
+	make build_boardloader && \
+	make build_bootloader && \
+	make build_prodtest && \
+	make build_firmware"