Add workflows

.github/workflows/aste-pr.yml

@@ -0,0 +1,12 @@
+name: "Check ASTE"
+on:
+  pull_request:
+    paths:
+      - 'ci-aste.dockerfile'
+
+jobs:
+  latest:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: make aste

.github/workflows/aste.yml

@@ -0,0 +1,23 @@
+name: "Update ASTE"
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+    paths:
+      - 'ci-aste.dockerfile'
+
+jobs:
+  latest:
+    runs-on: ubuntu-latest
+    env:
+      image: aste
+    steps:
+      - uses: actions/checkout@v2
+      - uses: docker/build-push-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_PASS }}
+          dockerfile: "./ci-${{ env.image }}.dockerfile"
+          repository: precice/ci-${{ env.image }}
+          tags: latest

.github/workflows/daily.yml

@@ -0,0 +1,22 @@
+name: "Daily Update"
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 4 * * *' # preCICE nightly runs at 2am, this one two hours later
+
+jobs:
+  latest:
+    strategy:
+      matrix:
+        image: [aste]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/build-push-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_PASS }}
+          dockerfile: "./ci-${{ matrix.image }}.dockerfile"
+          repository: precice/ci-${{ matrix.image }}
+          tags: latest