Add simple Dockerfile for running mbusd containerized (#79)

* init

* simplify

* explicit gcc not needed

* do not clone repository, copy source from cwd (or we cannot build releases)

.github/workflows/build.yml

@@ -15,7 +15,11 @@ jobs:
 
     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
@@ -25,8 +29,16 @@ jobs:
       # Build your program with the given configuration
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
 
-    - name: Test
+    - name: Install test dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twisted pymodbus
+        sudo apt-get install -y socat
+
+    - name: Run tests
       working-directory: ${{github.workspace}}/build
-      # Execute tests
       run: make test
       
+    - name: Show failed test log
+      if: ${{ failure() }}
+      run: cat ${{github.workspace}}/build/Testing/Temporary/LastTest.log

.travis.yml

@@ -1,18 +0,0 @@
-sudo: required
-
-dist: trusty
-
-language: c
-
-compiler:
-  - gcc
-  - clang
-
-before_install:
-  - sudo apt-get update -qq
-
-script:
-  - mkdir build
-  - cd build
-  - cmake ..
-  - make

Dockerfile

@@ -0,0 +1,10 @@
+FROM alpine:latest AS build
+RUN apk add --no-cache alpine-sdk cmake
+COPY . /mbusd
+WORKDIR /mbusd/build
+RUN cmake -DCMAKE_INSTALL_PREFIX=/usr .. && make && make install
+
+FROM alpine:latest AS scratch
+ENV QEMU_EXECVE=1
+COPY --from=build /usr/bin/mbusd /usr/bin/mbusd
+ENTRYPOINT ["/usr/bin/mbusd", "-d", "-L", "-", "-c", "/etc/mbusd.conf"]

README.md

@@ -1,7 +1,7 @@
 About mbusd
 ===========
 
-[![Build Status](https://travis-ci.org/3cky/mbusd.svg?branch=master)](https://travis-ci.org/3cky/mbusd)
+[![mbusd](https://github.com/3cky/mbusd/actions/workflows/build.yml/badge.svg)](https://github.com/3cky/mbusd/actions/workflows/build.yml)
 
 **mbusd** is open-source [Modbus TCP to Modbus RTU (RS-232/485)](https://en.wikipedia.org/wiki/Modbus)
 gateway. It presents a network of RTU slaves as single TCP slave.