Added GH actions to build

Author: Felix Exner

.github/actions/build_urcap/Dockerfile

@@ -0,0 +1,16 @@
+# Container image that runs your code
+FROM ubuntu:bionic
+
+# Copies your code file from your action repository to the filesystem path `/` of the container
+COPY entrypoint.sh /entrypoint.sh
+
+RUN apt-get update && apt-get install -y \
+ default-jdk\
+ maven\
+ unzip\
+ dialog\
+ sshpass\
+ curl
+
+# Code file to execute when the docker container starts up (`entrypoint.sh`)
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/build_urcap/action.yml

@@ -0,0 +1,6 @@
+# action.yml
+name: 'Build URCap'
+description: 'Builds a URCap in a container'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

.github/actions/build_urcap/entrypoint.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+pushd ${HOME}
+curl -o sdk-${SDK_VERSION}.zip https://s3-eu-west-1.amazonaws.com/urplus-developer-site/sdk/sdk-${SDK_VERSION}.zip
+mkdir sdk
+unzip sdk-${SDK_VERSION}.zip -d sdk
+cd sdk
+./install.sh
+
+popd
+
+mvn install

.github/workflows/build.yaml

@@ -0,0 +1,22 @@
+name: Build URCap
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        SDK_VERSION: [1.6.1, 1.7.0, 1.8.0, 1.9.0, 1.10.0]
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: ./.github/actions/build_urcap
+        env:
+          SDK_VERSION: ${{ matrix.SDK_VERSION }}
+      - name: Upload urcap_artifact
+        uses: actions/upload-artifact@v1
+        with:
+          path: target
+          name: external_control_sdk-${{ matrix.SDK_VERSION }}.urcap
+