diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dff9e3f..ceca122 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,4 +1,4 @@
-name: test
+name: test-and-publish
 
 on:
   push:
@@ -7,6 +7,10 @@ on:
 
 permissions:
   contents: read
+  packages: write
+
+env:
+  IMAGE_NAME: ghcr.io/coderdoubleflower/sub2apiauditer
 
 jobs:
   pytest:
@@ -27,8 +31,33 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3
-      - uses: docker/build-push-action@v6
+
+      - name: Log in to GHCR
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+            type=sha,format=short
+
+      - name: Build and optionally publish image
+        uses: docker/build-push-action@v6
         with:
           context: .
-          push: false
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max