Added container build pipeline, made the Dockerfile the source of truth for building.

Author: Silvenga

.github/workflows/dotnet.yml

@@ -5,19 +5,43 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
+  workflow_dispatch: {}
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
+    permissions:
+      packages: write
+      contents: read
+    env:
+      IMAGE_NAME: ghcr.io/${{ github.repository }}
+      PUBLISH: ${{ github.ref == 'refs/heads/master' }}
     steps:
     - uses: actions/checkout@v2
-    - name: Setup .NET 7
-      uses: actions/setup-dotnet@v1
+    - uses: docker/setup-buildx-action@v2
+      id: buildx
+      with:
+        install: true
+        version: latest
+    - uses: docker/login-action@v2
+      if: ${{ env.PUBLISH }}
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - id: meta
+      uses: docker/metadata-action@v4
+      with:
+        images: ${{ env.IMAGE_NAME }}
+        tags: |
+          type=sha
+          type=edge
+          type=raw,value=latest,enable={{is_default_branch}}
+    - uses: docker/build-push-action@v3
+      id: build
       with:
-        dotnet-version: 7.0.100-rc.1.22431.12
-    - name: Install dependencies
-      run: dotnet restore
-    - name: Build
-      run: dotnet build --configuration Release --no-restore
+        file: Dockerfile
+        context: .
+        push: ${{ env.PUBLISH }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -11,4 +11,8 @@ RUN dotnet publish -c release -o /app
 FROM mcr.microsoft.com/dotnet/aspnet:7.0
 WORKDIR /app
 COPY --from=build /app ./
+
+LABEL org.opencontainers.image.source=https://github.com/tobyash86/WebGoat.NET
+LABEL org.opencontainers.image.description="WebGoat.NETCore - port of original WebGoat.NET to .NET Core"
+
 ENTRYPOINT ["dotnet", "WebGoat.NET.dll"]