fix: use distorless multiplatform container

.github/workflows/release.yaml

@@ -10,6 +10,8 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
       - name: Checkout
         uses: actions/checkout@v3
       - name: Setup .NET Core
@@ -38,7 +40,7 @@ jobs:
       - name: Docker Build and Push
         if: steps.release.outputs.new_release_published == 'true'
         run: |
-          docker build -t latebitflip/bulwark.auth:${{ steps.release.outputs.new_release_version }} .
-          docker build -t latebitflip/bulwark.auth:latest .
-          docker push latebitflip/bulwark.auth:${{ steps.release.outputs.new_release_version }}
-          docker push latebitflip/bulwark.auth:latest
+          docker buildx build -t latebitflip/bulwark.auth:${{ steps.release.outputs.new_release_version }} --platform linux/arm64,linux/amd64 --push .
+          docker buildx build -t latebitflip/bulwark.auth:latest --platform linux/arm64,linux/amd64 --push .
+#          docker push latebitflip/bulwark.auth:${{ steps.release.outputs.new_release_version }}
+#          docker push latebitflip/bulwark.auth:latest

Dockerfile

@@ -1,5 +1,6 @@
 FROM mcr.microsoft.com/dotnet/sdk:8.0-jammy AS base
 USER $APP_UID
+ARG TARGETARCH
 WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081

src/Bulwark.Auth/Program.cs

@@ -18,7 +18,7 @@
 using MongoDB.Driver;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-//trigger build: update docker build with distroless
+//trigger build: update docker build with multi-platform build
 var applicationBuilder = WebApplication.CreateBuilder(args);
 DotEnv.Load(options: new DotEnvOptions(overwriteExistingVars: false));
 //AppConfig must be initialized after DotEnv.Load for environment variables to be available