chore(ci): update Docker workflows for publishing images

- Change Docker image publishing from GitHub Container Registry to Docker Hub
- Add a new workflow for publishing images to GitHub Packages
- Update paths and permissions in the Docker publish workflow
- Adjust metadata extraction and login steps for Docker Hub

Author: marcuwynu23

.github/workflows/docker-publish.yml

@@ -1,19 +1,22 @@
-name: Build and push Docker images to GHCR
+name: Publish Docker images to Docker Hub
 
 on:
   push:
     branches: [main]
+    paths:
+      - "apps/backend/**"
+      - "apps/frontend/**"
+      - ".github/workflows/docker-publish.yml"
   workflow_dispatch:
 
 env:
-  REGISTRY: ghcr.io
+  REGISTRY: docker.io
 
 jobs:
-  build-and-push:
+  publish:
     runs-on: ubuntu-latest
     permissions:
       contents: read
-      packages: write
 
     strategy:
       matrix:
@@ -32,24 +35,24 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Log in to GitHub Container Registry
+      - name: Log in to Docker Hub
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Extract metadata (tags, labels)
+      - name: Extract Docker metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ matrix.image }}
+          images: ${{ env.REGISTRY }}/${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.image }}
           tags: |
-            type=ref,event=branch
-            type=sha,prefix=
             type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+            type=sha
+            type=ref,event=branch
 
-      - name: Build and push Docker image
+      - name: Build and push image
         uses: docker/build-push-action@v6
         with:
           context: .

.github/workflows/github-package.yml

@@ -0,0 +1,70 @@
+name: Publish Docker images to GitHub Packages
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "apps/backend/**"
+      - "apps/frontend/**"
+      - ".github/workflows/github-package.yml"
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        include:
+          - name: backend
+            dockerfile: apps/backend/Dockerfile
+            image: repohub-backend
+          - name: frontend
+            dockerfile: apps/frontend/Dockerfile
+            image: repohub-frontend
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Normalize repository owner
+        id: owner
+        shell: bash
+        run: echo "value=${GITHUB_REPOSITORY_OWNER,,}" >> "$GITHUB_OUTPUT"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ steps.owner.outputs.value }}/${{ matrix.image }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+            type=sha
+            type=ref,event=branch
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ${{ matrix.dockerfile }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max