Change Dockerfileto install required packages for linux serial.h #28

	name: mbusd

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	BUILD_TYPE: Release

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Configure CMake
	# Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
	# See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
	run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}

	- name: Build
	# Build your program with the given configuration
	run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

	- name: Install test dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools wheel twisted pyserial pymodbus
	sudo apt-get install -y socat

	- name: Run tests
	working-directory: ${{github.workspace}}/build
	run: make test

	- name: Show failed test log
	if: ${{ failure() }}
	run: cat ${{github.workspace}}/build/Testing/Temporary/LastTest.log

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