Merge pull request #16 from NOAA-GFDL/auto-update-ppp

 file ending

Author: Ciheim

.github/workflows/update_ppp_image.yaml

@@ -0,0 +1,58 @@
+name: Docker Image CI/CD
+  
+# Trigger the workflow
+on:
+  push:
+    branches:
+      - main # Trigger on push to the main branch
+    # Build container if these files are changed
+    paths:
+      - 'Dockerfile-ppp'
+      - 'ppp/runscript.sh'
+     - '.github/workflows/update_ppp_image.yaml' # Or if the workflow file itself is change
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ NOAA-GFDL/HPC-ME/ppp }}
+
+# Define the jobs to run
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read # Allow checkout
+      packages: write # Allow pushing to GitHub Packages/GHCR
+
+    steps:
+      # Setup and Checkout
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Determine Tags
+      - name: Extract metadata (tags) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=sha,prefix=sha-,value=${{ github.sha }},enable=true,priority=1000
+            type=raw,value=latest,enable=true
+            type=raw,value=2025.04,enable=true #Adding fre-cli tag manually for now
+
+      # Login to GHCR
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }
+
+      # Build and Push
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: . # Directory containing the Dockerfilei
+          file: ./Dockerfile-ppp
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}