Docker based build in travis

.travis.yml

@@ -1,15 +1,13 @@
+sudo: required
+services:
+  - docker
 language: cpp
 compiler:
 - gcc
 before_install:
- - sudo apt-get update -qq
- - sudo apt-get -yq install gnupg
- - sudo echo "deb http://pkg.mxe.cc/repos/apt/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mxeapt.list
- - sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D43A795B73B16ABE9643FE1AFD8FFF16DB45C6AB
- - sudo apt-get update -qq
- - sudo apt-get install -yq mxe-x86-64-w64-mingw32.static-qtbase mxe-x86-64-w64-mingw32.static-qtdeclarative
- - sudo apt-get install -qq qtbase5-dev qtdeclarative5-dev qt5-default build-essential
-script: ./scripts/ci-build.sh
+ - docker build -t extplane .
+script: 
+ - docker run -it -v $PWD:/ExtPlane -w /ExtPlane extplane ./scripts/ci-build.sh
 branches:
   only:
   - master

Dockerfile

@@ -0,0 +1,10 @@
+from ubuntu:latest
+
+RUN apt update -qq
+RUN apt -yq install gnupg
+RUN echo "deb http://pkg.mxe.cc/repos/apt/debian wheezy main" | tee /etc/apt/sources.list.d/mxeapt.list
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D43A795B73B16ABE9643FE1AFD8FFF16DB45C6AB
+RUN apt update -qq
+RUN apt install -yq mxe-x86-64-w64-mingw32.static-qtbase mxe-x86-64-w64-mingw32.static-qtdeclarative
+RUN apt install -yq qtbase5-dev qtdeclarative5-dev qt5-default build-essential
+

README.md

@@ -84,6 +84,16 @@ The requirements for ExtPlane are as follows:
 * Qt Framework 5+
 * X-Plane SDK 3.0+
 
+### Docker ###
+
+If you have docker (should work on linux & mac) you can build linux & windows
+binaries.
+
+```bash
+docker build -t extplane .
+docker run -it -v $PWD:/ExtPlane -w /ExtPlane extplane ./scripts/ci-build.sh
+```
+
 ### Debian/Ubuntu Linux ###
 ```bash
 # 1: Install required libraries and tools