Update Dockerfile with latest template

.github/workflows/docker-test.yml

@@ -2,7 +2,7 @@ name: Dockerfile
 
 on:
   push:
-    branches: main
+    branches: [ main ]
     paths:
       - Dockerfile
   pull_request:
@@ -13,12 +13,6 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        stage: [
-          "final",
-          "initcontainer"
-        ]
     outputs:
       image: ${{ steps.build.outputs.imageid }}
     steps:
@@ -34,7 +28,27 @@ jobs:
         with:
           secrets: github_token=${{ secrets.GITHUB_TOKEN }}
           load: true
+          build-args: CI=true
           cache-from: type=gha
           cache-to: type=gha
-          target: ${{ matrix.stage }}
           push: false
+
+      - name: Export docker image as tar
+        run: docker save -o ${{ steps.build.outputs.imageid }}.tar ${{ steps.build.outputs.imageid }}
+
+      - name: Scan Docker image for CVEs
+        uses: aquasecurity/trivy-action@6c175e9c4083a92bbca2f9724c8a5e33bc2d97a5 # 0.30.0
+        with:
+          input: ${{ steps.build.outputs.imageid }}.tar
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+          limit-severities-for-sarif: true
+          ignore-unfixed: true
+          severity: 'CRITICAL,HIGH'
+          github-pat: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload scan results to GitHub Security
+        uses: github/codeql-action/upload-sarif@181d5eefc20863364f96762470ba6f862bdef56b # v3
+        if: always()
+        with:
+          sarif_file: 'trivy-results.sarif'

Dockerfile

@@ -1,52 +1,37 @@
-ARG PROJECT_NAME="Dfe.CaseAggregationService.Api"
-ARG REPO_ORIGIN="https://github.com/DFE-Digital/rsd-ddd-clean-architecture"
-ARG DOTNET_SDK_TAG=8.0
-ARG DOTNET_EF_TAG=8.0.8
-ARG DOTNET_ASPNET_TAG=8.0-bookworm-slim
-ARG NUGET_SOURCE="https://nuget.pkg.github.com/DFE-Digital/index.json"
-ARG CI
+# Set the major version of dotnet
+ARG DOTNET_VERSION=8.0
 
 # ==============================================
-# Base SDK
+# .NET SDK: Build
 # ==============================================
-FROM "mcr.microsoft.com/dotnet/sdk:${DOTNET_SDK_TAG}" AS builder
-ENV CI=${CI}
+FROM mcr.microsoft.com/dotnet/sdk:${DOTNET_VERSION}-azurelinux3.0 AS build
 WORKDIR /build
-COPY . .
-RUN --mount=type=secret,id=github_token dotnet nuget add source --username USERNAME --password $(cat /run/secrets/github_token) --store-password-in-clear-text --name github ${NUGET_SOURCE}
-RUN dotnet restore ${PROJECT_NAME}
-RUN dotnet build -c Release ${PROJECT_NAME} -p:CI=${CI}
-RUN dotnet publish ${PROJECT_NAME} -c Release -o /app --no-build
+ARG CI
+ENV CI=${CI}
 
-# ==============================================
-# Entity Framework: Migration Builder
-# ==============================================
-FROM builder AS efbuilder
-WORKDIR /build
-ENV PATH=$PATH:/root/.dotnet/tools
-RUN dotnet tool install --global dotnet-ef  --version ${DOTNET_EF_TAG}
-RUN mkdir /sql
-RUN dotnet ef migrations bundle -r linux-x64 --configuration Release -p ${PROJECT_NAME} --no-build -o /sql/migratedb
+# Mount GitHub Token as a Docker secret so that NuGet Feed can be accessed
+RUN --mount=type=secret,id=github_token dotnet nuget add source --username USERNAME --password $(cat /run/secrets/github_token) --store-password-in-clear-text --name github "https://nuget.pkg.github.com/DFE-Digital/index.json"
 
-# ==============================================
-# Entity Framework: Migration Runner
-# ==============================================
-FROM "mcr.microsoft.com/dotnet/aspnet:${DOTNET_ASPNET_TAG}" AS initcontainer
-WORKDIR /sql
-COPY --from=efbuilder /sql /sql
-COPY --from=builder /app/appsettings* /${PROJECT_NAME}/
+# Copy the application code
+COPY ./src/ ./src/
+COPY Directory.Build.props ./
+COPY Dfe.CaseAggregationService.sln ./
+
+# Build and publish the dotnet solution
+RUN dotnet restore Dfe.CaseAggregationService.sln && \
+    dotnet build ./src/Dfe.CaseAggregationService.Api --no-restore -c Release && \
+    dotnet publish ./src/Dfe.CaseAggregationService.Api --no-build -o /app
 
 # ==============================================
-# Application
+# .NET Runtime: Publish
 # ==============================================
-FROM "mcr.microsoft.com/dotnet/aspnet:${DOTNET_ASPNET_TAG}" AS final
-LABEL org.opencontainers.image.source=${REPO_ORIGIN}
-ARG COMMIT_SHA
-COPY --from=builder /app /app
-COPY ./script/docker-entrypoint.sh /app/docker-entrypoint.sh
+FROM mcr.microsoft.com/dotnet/aspnet:${DOTNET_VERSION}-azurelinux3.0 AS final
 WORKDIR /app
-RUN chown -R app:app /app
+LABEL org.opencontainers.image.source="https://github.com/DFE-Digital/case-aggregation-api"
+LABEL org.opencontainers.image.description="Dfe.CaseAggregationService"
+
+COPY --from=build /app /app
+COPY ./script/docker-entrypoint.sh /app/docker-entrypoint.sh
 RUN chmod +x ./docker-entrypoint.sh
-USER app
-ENV ASPNETCORE_HTTP_PORTS 80
-EXPOSE 80/tcp
+
+USER $APP_UID