Migrate from Docker Hub to ghcr.io for CI builds

.github/workflows/docker-develop.yml

@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 env:
-  REGISTRY_IMAGE: misskey/misskey
+  REGISTRY_IMAGE: ghcr.io/${{ github.repository }}
 
 jobs:
   # see https://docs.docker.com/build/ci/github-actions/multi-platform/#distribute-build-across-multiple-runners
@@ -20,7 +20,8 @@ jobs:
         platform:
           - linux/amd64
           - linux/arm64
-    if: github.repository == 'misskey-dev/misskey'
+    outputs:
+      commit_sha: ${{ steps.git.outputs.commit_sha }}
     steps:
       - name: Prepare
         run: |
@@ -28,13 +29,17 @@ jobs:
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
       - name: Check out the repo
         uses: actions/checkout@v4.1.1
+      - name: Get commit sha
+        id: git
+        run: echo "commit_sha=$(git rev-parse --short=7 HEAD)" >> "$GITHUB_OUTPUT"
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-      - name: Log in to Docker Hub
+      - name: Log in to Container registry
         uses: docker/login-action@v3
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push by digest
         id: build
         uses: docker/build-push-action@v6
@@ -73,16 +78,18 @@ jobs:
           merge-multiple: true
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-      - name: Login to Docker Hub
+      - name: Log in to Container registry
         uses: docker/login-action@v3
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Create manifest list and push
         working-directory: /tmp/digests
         run: |
-          docker buildx imagetools create --tag ${{ env.REGISTRY_IMAGE }}:develop \
+          docker buildx imagetools create --tag ${{ env.REGISTRY_IMAGE }}:develop --tag ${{ env.REGISTRY_IMAGE }}::${{needs.build.outputs.commit_sha}} \
             $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
       - name: Inspect image
         run: |
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:develop
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{needs.build.outputs.commit_sha}}