migrate to github repo for sftp alpine image

.github/workflows/publish_docker.yaml

@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - master
+      - josiahsiegel/update/sftpalpine-image
   schedule:
     - cron:  "0 0 1 * *"
 
@@ -20,6 +21,7 @@ jobs:
       has_tfcli_change: ${{ steps.skip_check.outputs.tfcli && github.event_name != 'schedule'}}
       has_dnsmasq_change: ${{ steps.skip_check.outputs.dnsmasq || github.event_name == 'schedule'}}
       run_publish_sftp: ${{ steps.check_sftp_image.outputs.run_job }}
+      run_publish_sftp_alpine: ${{ steps.check_sftp_alpine_image.outputs.run_job }}
     steps:
       - name: "Check out changes"
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
@@ -31,6 +33,13 @@ jobs:
             dnsmasq:
               - 'operations/dnsmasq/**'
 
+      - name: Log In to the Container Registry
+        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Check sftp image
         id: check_sftp_image
         run: |
@@ -47,6 +56,24 @@ jobs:
             echo "run_job=false" >> $GITHUB_OUTPUT
           fi
 
+      - name: Check sftp alpine image
+        id: check_sftp_alpine_image
+        run: |
+          docker pull atmoz/sftp:alpine
+          docker tag atmoz/sftp:alpine ghcr.io/cdcgov/prime-reportstream_sftp:alpine
+          docker push ghcr.io/cdcgov/prime-reportstream_sftp:alpine
+          docker pull ${{ env.REGISTRY }}/${{ env.SFTP_IMAGE_NAME }}:alpine
+          LATEST_IMAGE_DIGEST=$(docker inspect --format='{{index .RepoDigests 0}}' atmoz/sftp:alpine)
+          REPO_IMAGE_DIGEST=$(docker inspect --format='{{index .RepoDigests 0}}' ${{ env.REGISTRY }}/${{ env.SFTP_IMAGE_NAME }}:alpine 2> /dev/null || true)
+
+          if [ "$LATEST_IMAGE_DIGEST" != "$REPO_IMAGE_DIGEST" ]; then
+            echo "image outdated"
+            echo "run_job=true" >> $GITHUB_OUTPUT
+          else
+            echo "image current"
+            echo "run_job=false" >> $GITHUB_OUTPUT
+          fi
+
   publish_dnsmasq:
     name: Publish dnsmasq
     needs: pre_job
@@ -109,3 +136,31 @@ jobs:
       - name: Push to the Container Registry
         run: |
           docker push ${{ env.REGISTRY }}/${{ env.SFTP_IMAGE_NAME }} --all-tags
+
+  publish_sftp_alpine:
+    name: Publish SFTP Alpine
+    needs: pre_job
+    if: ${{ needs.pre_job.outputs.run_publish_sftp_alpine == 'true' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Check Out Changes
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+
+      - name: Log In to the Container Registry
+        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Tag Image
+        run: |
+          docker pull atmoz/sftp:alpine
+          docker tag atmoz/sftp:alpine  ${{ env.REGISTRY }}/${{ env.SFTP_IMAGE_NAME }}:alpine
+
+      - name: Push to the Container Registry
+        run: |
+          docker push ${{ env.REGISTRY }}/${{ env.SFTP_IMAGE_NAME }}:alpine