ci: configure docker build actions

Author: missinglink

.github/workflows/cron.yml

@@ -0,0 +1,17 @@
+name: Rebuild Images
+on:
+  schedule:
+    - cron: '0 0 1 * *'
+  workflow_dispatch:
+jobs:
+  build-docker-images:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker images
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          curl "https://raw.githubusercontent.com/pelias/ci-tools/master/build-docker-images.sh" | bash -

.github/workflows/push.yml

@@ -0,0 +1,13 @@
+name: Continuous Integration
+on: push
+jobs:
+  build-docker-images:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker images
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          curl "https://raw.githubusercontent.com/pelias/ci-tools/master/build-docker-images.sh" | bash -