Add nightly for Docker build

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on:
     tags:
       - '*'
   schedule:
-    - cron: '0 9 * * *'
+    - cron: '0 1 * * *'
 
 jobs:
   build:
@@ -32,13 +32,13 @@ jobs:
     - name: Check out code
       uses: actions/checkout@v4
 
-    - name: Check for New Commits (Nightly Only)
+    - name: Check for new commits (nightly only)
       id: check
       if: github.event_name == 'schedule'
       continue-on-error: false
       run: |
         # 3AM CET
-        since="$(date -d 'yesterday' +%Y-%m-%d) 09:00:00"
+        since="$(date -d 'yesterday' +%Y-%m-%d) 01:00:00"
         count=$(git rev-list --count --since="$since" --until=now HEAD)
         if [ "$count" -gt 0 ]; then
           echo "new_commits=true" >> $GITHUB_OUTPUT

.github/workflows/build_docker.yml

@@ -4,6 +4,8 @@ on:
   push:
     tags:
       - '*'
+  schedule:
+    - cron: '0 1 * * *'
 
 jobs:
   build-and-push-image:
@@ -17,10 +19,29 @@ jobs:
     - name: Check out code
       uses: actions/checkout@v4
 
+    - name: Check for new commits (nightly only)
+      id: check
+      if: github.event_name == 'schedule'
+      continue-on-error: false
+      run: |
+        # 3AM CET
+        since="$(date -d 'yesterday' +%Y-%m-%d) 01:00:00"
+        count=$(git rev-list --count --since="$since" --until=now HEAD)
+        if [ "$count" -gt 0 ]; then
+          echo "new_commits=true" >> $GITHUB_OUTPUT
+        else
+          echo "no new commits found for nightly build"
+          exit 1
+        fi
+
     - name: Set version
       id: buildvars
       run: |
-        echo "version=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_OUTPUT
+        if [ "${{ github.event_name }}" = "schedule" ]; then
+          echo "version=$(date +'%Y.%m.%d-nightly')" >> $GITHUB_OUTPUT
+        else
+          echo "version=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_OUTPUT
+        fi
         echo "built_at=$(date +%Y-%m-%dT%H:%M:%S)" >> $GITHUB_OUTPUT
         echo "git_commit=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
 
@@ -50,7 +71,7 @@ jobs:
       uses: docker/metadata-action@v5
       with:
         images: |
-          ghcr.io/${{ github.repository }}${{ !contains(github.ref, '-rc.') && '-testing' || '' }}
+          ghcr.io/${{ github.repository }}${{ !contains(github.ref, '-rc') && !contains(github.ref, '-nightly') && '-testing' || '' }}
 
     - name: Build and push Docker image
       uses: docker/build-push-action@v5