chore: Update to prepare for github registry push (#31)

.github/workflows/precheck.yaml

@@ -0,0 +1,57 @@
+name: Precheck
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  DOCKERHUB_NAMESPACE: slashwhyorganization
+  DOCKERHUB_REPOSITORY: flutter-sdk-image
+
+jobs:
+  pull-request:
+    name: Prebuild docker image
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.DOCKERHUB_NAMESPACE }}/${{ env.DOCKERHUB_REPOSITORY }}
+            ${{ env.REGISTRY }}/${{ github.repository }}
+      
+      - name: Build Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: false
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+
+

.github/workflows/release.yaml

@@ -1,22 +1,50 @@
 name: Release
 
-env:
-  IMAGE_TAG: ${{ github.ref_name }}
-
 on:
-  push:
-    tags:
-      - "*"
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+  DOCKERHUB_NAMESPACE: slashwhyorganization
+  DOCKERHUB_REPOSITORY: flutter-sdk-image
 
 jobs:
   release:
+    name: Push Docker image to multiple registries
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
+
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - run: make release
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.DOCKERHUB_NAMESPACE }}/${{ env.DOCKERHUB_REPOSITORY }}
+            ${{ env.REGISTRY }}/${{ github.repository }}
+      
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}