Trying the docker actions.

Author: RossBugginsNHS

.github/actions/build-libraries/action.yml

@@ -51,3 +51,22 @@ runs:
         path: "src/server/host/bin/Release"
         name: libs-host-${{ inputs.version }}
         include-hidden-files: true
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Build and export
+      uses: docker/build-push-action@v6
+      with:
+        context: ./src/server
+        file: Dockerfile
+        tags: |
+          ghcr.io/nhsdigital/libshostdocker:latest
+          ghcr.io/nhsdigital/libshostdocker:${{ inputs.version }}
+        outputs: type=docker,dest=${{ runner.temp }}/myimage.tar
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: libs-host-docker-${{ inputs.version }}
+        path: ${{ runner.temp }}/myimage.tar

src/server/Dockerfile

@@ -0,0 +1,30 @@
+# Multi-stage Dockerfile for .NET 8 Web API
+# Build stage
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+
+# Copy solution and restore as distinct layers
+COPY .version ./
+COPY build.sh ./
+COPY server.sln ./
+COPY host/host.csproj ./host/
+COPY abstractions/abstractions.csproj ./abstractions/
+COPY data/data.csproj ./data/
+COPY letter/letter.csproj ./letter/
+COPY . .
+
+RUN ./build.sh
+
+# Runtime stage
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
+WORKDIR /app
+COPY --from=build src/host/bin/Release/net8.0/publish .
+
+# Expose port (change if your app uses a different port)
+EXPOSE 8080
+
+# Set environment variables (optional)
+# ENV ASPNETCORE_URLS=http://+:80
+RUN ls -la
+
+ENTRYPOINT ["./run.sh"]

src/server/host/run.sh

@@ -4,4 +4,5 @@ SuppliersApi__Letters=true \
 SuppliersApi__Data=true \
 SuppliersApi__Assemblies__0="nhs.notify.suppliers.api.letter" \
 SuppliersApi__Assemblies__1="nhs.notify.suppliers.api.data" \
+ASPNETCORE_ENVIRONMENT="Development" \
 dotnet nhs.notify.suppliers.api.host.dll