Github Actions docker test.

.github/workflows/ci-main.yml

@@ -1,10 +1,6 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
 
-# Controls when the action will run. 
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
   push:
     branches: [ master ]
   pull_request:
@@ -13,14 +9,11 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   # This workflow contains a single job called "build"
   build:
-    # The type of runner that the job will run on
     runs-on: ubuntu-20.04
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
@@ -28,6 +21,5 @@ jobs:
       # Runs a set of commands using the runners shell
       - name: Run a multi-line script
         run: |
-          echo Add other actions to build,
-          echo test, and deploy your project.
-
+          echo "Ubuntu CI test"
+          ./.github/workflows/ci-scripts/ubuntu.sh

.github/workflows/ci-scripts/ubuntu.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+date
+
+echo FROM wesnoth/wesnoth:2004-master > utils/dockerbuilds/travis/Dockerfile-travis-2004-master
+echo COPY ./ /home/wesnoth-travis/ >> utils/dockerbuilds/travis/Dockerfile-travis-2004-master
+echo WORKDIR /home/wesnoth-travis >> utils/dockerbuilds/travis/Dockerfile-travis-2004-master
+
+docker build -t wesnoth-repo:2004-master -f utils/dockerbuilds/travis/Dockerfile-travis-2004-master .
+
+docker image ls
+
+