Consolidate all variants under single flutter-sdk image with tag prefixes

All platform images now publish to svrnty/flutter-sdk with variant
prefixed tags (web-3.38.9, android-latest, linux-dev, etc.) instead
of separate image names per platform.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/publish.yaml

@@ -7,6 +7,9 @@ on:
 permissions:
   contents: read
 
+env:
+  IMAGE_NAME: flutter-sdk
+
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
@@ -14,13 +17,13 @@ jobs:
       matrix:
         include:
           - dockerfile: Dockerfile
-            image_name: gpb-flutter-sdk-web
+            variant: web
             description: Minimal Flutter SDK for Web/WASM CI builds
           - dockerfile: Dockerfile.android
-            image_name: gpb-flutter-sdk-android
+            variant: android
             description: Flutter SDK for Android CI builds
           - dockerfile: Dockerfile.linux
-            image_name: gpb-flutter-sdk-linux
+            variant: linux
             description: Flutter SDK for Linux desktop CI builds
     steps:
       - name: Checkout code
@@ -34,12 +37,12 @@ jobs:
             FLUTTER_VERSION=$(curl -fsSL https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json \
               | jq -r '.current_release.stable as $hash | .releases[] | select(.hash == $hash and .channel == "stable") | .version')
             echo "flutter_version=${FLUTTER_VERSION}" >> $GITHUB_OUTPUT
-            echo "tag=dev" >> $GITHUB_OUTPUT
+            echo "tag=${{ matrix.variant }}-dev" >> $GITHUB_OUTPUT
             echo "Using latest Flutter stable ${FLUTTER_VERSION} for pre-release test"
           else
             # Full release: use the release tag as the Flutter version
             echo "flutter_version=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
-            echo "tag=latest" >> $GITHUB_OUTPUT
+            echo "tag=${{ matrix.variant }}-latest" >> $GITHUB_OUTPUT
           fi
 
       - name: Set up Docker Buildx
@@ -61,7 +64,7 @@ jobs:
           load: true
           build-args: |
             FLUTTER_VERSION=${{ steps.version.outputs.flutter_version }}
-          tags: ${{ vars.REGISTRY }}/${{ matrix.image_name }}:${{ steps.version.outputs.flutter_version }}
+          tags: ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-${{ steps.version.outputs.flutter_version }}
 
       - name: Install Docker Scout
         run: |
@@ -70,7 +73,7 @@ jobs:
 
       - name: Docker Scout CVE Scan
         run: |
-          docker scout cves ${{ vars.REGISTRY }}/${{ matrix.image_name }}:${{ steps.version.outputs.flutter_version }} --only-severity critical,high
+          docker scout cves ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-${{ steps.version.outputs.flutter_version }} --only-severity critical,high
 
       - name: Build and push with attestations
         uses: docker/build-push-action@v5
@@ -84,10 +87,10 @@ jobs:
           build-args: |
             FLUTTER_VERSION=${{ steps.version.outputs.flutter_version }}
           tags: |
-            ${{ vars.REGISTRY }}/${{ matrix.image_name }}:${{ steps.version.outputs.flutter_version }}
+            ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-${{ steps.version.outputs.flutter_version }}
-            ${{ vars.REGISTRY }}/${{ matrix.image_name }}:${{ steps.version.outputs.tag }}
+            ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.tag }}
           labels: |
-            org.opencontainers.image.title=${{ matrix.image_name }}
+            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
             org.opencontainers.image.description=${{ matrix.description }}
-            org.opencontainers.image.version=${{ steps.version.outputs.flutter_version }}
+            org.opencontainers.image.version=${{ matrix.variant }}-${{ steps.version.outputs.flutter_version }}
             org.opencontainers.image.revision=${{ github.sha }}

.gitea/workflows/scout.yaml

@@ -8,6 +8,9 @@ permissions:
   contents: read
   pull-requests: write
 
+env:
+  IMAGE_NAME: flutter-sdk
+
 jobs:
   scout:
     runs-on: ubuntu-latest
@@ -15,11 +18,11 @@ jobs:
       matrix:
         include:
           - dockerfile: Dockerfile
-            image_name: gpb-flutter-sdk-web
+            variant: web
           - dockerfile: Dockerfile.android
-            image_name: gpb-flutter-sdk-android
+            variant: android
           - dockerfile: Dockerfile.linux
-            image_name: gpb-flutter-sdk-linux
+            variant: linux
     steps:
       - name: Log in to DockerHub
         uses: docker/login-action@v3
@@ -30,12 +33,12 @@ jobs:
       - name: Check if latest image exists
         id: should_run
         run: |
-          if docker manifest inspect ${{ vars.REGISTRY }}/${{ matrix.image_name }}:latest > /dev/null 2>&1; then
+          if docker manifest inspect ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-latest > /dev/null 2>&1; then
             echo "run=true" >> $GITHUB_OUTPUT
-            echo "Latest ${{ matrix.image_name }} found, Scout compare will run"
+            echo "${{ matrix.variant }}-latest found, Scout compare will run"
           else
             echo "run=false" >> $GITHUB_OUTPUT
-            echo "No latest ${{ matrix.image_name }} found, skipping (nothing to compare against)"
+            echo "No ${{ matrix.variant }}-latest found, skipping (nothing to compare against)"
           fi
 
       - name: Checkout code
@@ -55,7 +58,7 @@ jobs:
           platforms: linux/amd64
           push: false
           load: true
-          tags: ${{ vars.REGISTRY }}/${{ matrix.image_name }}:pr-${{ github.event.pull_request.number }}
+          tags: ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-pr-${{ github.event.pull_request.number }}
 
       - name: Install Docker Scout
         if: steps.should_run.outputs.run == 'true'
@@ -66,4 +69,4 @@ jobs:
       - name: Docker Scout Compare
         if: steps.should_run.outputs.run == 'true'
         run: |
-          docker scout compare ${{ vars.REGISTRY }}/${{ matrix.image_name }}:pr-${{ github.event.pull_request.number }} --to ${{ vars.REGISTRY }}/${{ matrix.image_name }}:latest --ignore-unchanged --only-severity critical,high
+          docker scout compare ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-pr-${{ github.event.pull_request.number }} --to ${{ vars.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.variant }}-latest --ignore-unchanged --only-severity critical,high

Dockerfile

@@ -2,7 +2,7 @@ FROM debian:bookworm-slim
 
 ARG FLUTTER_VERSION=3.38.9
 
-LABEL org.opencontainers.image.title="gpb-flutter-sdk-web"
+LABEL org.opencontainers.image.title="flutter-sdk"
 LABEL org.opencontainers.image.description="Minimal Flutter SDK for Web/WASM CI builds"
 LABEL org.opencontainers.image.version="${FLUTTER_VERSION}"
 

Dockerfile.android

@@ -5,7 +5,7 @@ ARG ANDROID_SDK_TOOLS_VERSION=11076708
 ARG ANDROID_COMPILE_SDK=35
 ARG ANDROID_BUILD_TOOLS=35.0.1
 
-LABEL org.opencontainers.image.title="gpb-flutter-sdk-android"
+LABEL org.opencontainers.image.title="flutter-sdk"
 LABEL org.opencontainers.image.description="Flutter SDK for Android CI builds"
 LABEL org.opencontainers.image.version="${FLUTTER_VERSION}"
 

Dockerfile.linux

@@ -2,7 +2,7 @@ FROM debian:bookworm-slim
 
 ARG FLUTTER_VERSION=3.38.9
 
-LABEL org.opencontainers.image.title="gpb-flutter-sdk-linux"
+LABEL org.opencontainers.image.title="flutter-sdk"
 LABEL org.opencontainers.image.description="Flutter SDK for Linux desktop CI builds"
 LABEL org.opencontainers.image.version="${FLUTTER_VERSION}"