add cron

Author: vincentsarago

.github/workflows/ci.yml

@@ -1,6 +1,10 @@
 name: CI
 
-on: [push]
+on:
+  push:
+    paths:
+    - '**Dockerfile'
+    - 'runtimes/**'
 
 jobs:
   build:

.github/workflows/cron.yml

@@ -0,0 +1,35 @@
+name: CRON
+
+on:
+  schedule:
+    - cron:  '0 0 1 * *'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image-name: ['base', 'base-2']
+        gdal-version: [2.4, 3.1, 3.2]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: set amazonlinux version
+        id: amazonlinux
+        run: echo "::set-output name=version::$(if [ '${{ matrix.image-name }}' == 'base-2' ]; then echo '-al2'; else echo ''; fi)"
+        shell: bash
+
+      - name: Pull GDAL Images
+        run: docker pull lambgeo/lambda-gdal:${{ matrix.gdal-version }}${{ steps.amazonlinux.outputs.version }}
+
+      - name: Pull Runtime Images
+        run: |
+          runtimes=$(if [ '${{ steps.amazonlinux.outputs.version }}' == '-al2' ]; then echo 'python3.8'; else echo 'python3.7'; fi)
+          for runtime in ${runtimes}; do
+            docker pull lambgeo/lambda-gdal:${{ matrix.gdal-version }}-${runtime}
+          done