build all version as a Matrix

.github/workflows/docker_build.yaml

@@ -0,0 +1,25 @@
+name: "Kalibr ROS1 Ubuntu"
+
+on:
+ push:
+ branches: [ master, dockerfile ]
+ pull_request:
+
+jobs:
+ build:
+ runs-on: ubuntu-latest
+ strategy:
+ matrix:
+ version: [16, 18, 20]
+ steps:
+ - name: Code Checkout
+ uses: actions/checkout@v2
+ - name: Create Workspace
+ run: |
+ export REPO=$(basename $GITHUB_REPOSITORY) &&
+ cd $GITHUB_WORKSPACE/.. && mkdir src/ &&
+ mv $REPO/ src/ && mkdir $REPO/ && mv src/ $REPO/ && cd $REPO/
+ - name: Build Docker
+ run: |
+ export REPO=$(basename $GITHUB_REPOSITORY) &&
+ docker build -t kalibr -f $GITHUB_WORKSPACE/src/$REPO/Dockerfile_ros1_${{ matrix.version }}_04 .