Further fix attempts

Author: CanOfSocks

.github/workflows/docker.yml

@@ -18,6 +18,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
+      - name: Determine git sha to checkout
+        uses: haya14busa/action-cond@v1
+        id: gitsha
+        with:
+          cond: ${{ github.event_name == 'pull_request' }}
+          if_true: ${{ github.event.pull_request.head.sha }}
+          if_false: ${{ github.sha }}
+
       - name: Checkout repo
         uses: actions/checkout@v3
 
@@ -58,7 +66,7 @@ jobs:
             type=sha
             
       - name: Build and publish
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           # ADDED: Platforms for multi-arch build
@@ -67,4 +75,4 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
-            COMMIT_HASH=${{ github.sha }}
+            COMMIT_HASH=${{ steps.gitsha.outputs.value }}

Dockerfile

@@ -11,8 +11,8 @@ ARG PYTHONDONTWRITEBYTECODE=1
 
 WORKDIR /app
 
-# Only create the file if COMMIT_HASH is not empty
-RUN [ -n "$COMMIT_HASH" ] && echo "Commit: $COMMIT_HASH" && echo "$COMMIT_HASH" > /app/commit_hash || echo "[Debug] No hash provided."
+ARG COMMIT_HASH
+ENV APP_COMMIT=${COMMIT_HASH}
 
 # 1. Install Alpine-native tools (FFmpeg and Python use these)
 RUN apk add --no-cache ffmpeg