Update Dockerfile for multi-platform support and enhance nginx registry script with volume and environment variable configurations

.cursor/rules/coderule.mdc

@@ -21,3 +21,4 @@ alwaysApply: true
 
 - Make sure we don't commit binaries, create and keep .gitignore up to date and delete binaries after you are done with the task
 - Never force-push to main or dev branches
+- Place all source code under the `src/` directory; keep project-level config, tests, and tooling at the repo root

.cursor/rules/python.mdc

@@ -8,7 +8,6 @@ globs: ["**/*.py", "**/pyproject.toml", "**/requirements*.txt"]
 - Use type hints on all function signatures; validate with `mypy` or `pyright`
 - Use `pydantic` for data validation and serialization
 - Import order: stdlib -> third-party -> local; use absolute imports
-- Use `src/` layout to separate app code from project files
 - Use context managers (`with`) for resource management
 - Catch specific exceptions, never bare `except:`; use custom exception classes
 - Use `async`/`await` with `asyncio` for I/O-bound concurrency

Dockerfile

@@ -2,8 +2,8 @@ FROM mcr.microsoft.com/dotnet/aspnet:10.0 AS base
 WORKDIR /app
 EXPOSE 8080
 
-# Build whole app
-FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+ARG TARGETARCH
 WORKDIR /app
 
 COPY . .
@@ -13,7 +13,8 @@ WORKDIR "/app/Azaion.AdminApi"
 RUN dotnet build "Azaion.AdminApi.csproj" -c Release -o /app/build
 
 FROM build AS publish
-RUN dotnet publish "Azaion.AdminApi.csproj" -c Release -o /app/publish /p:UseAppHost=false
+RUN arch=$([ "$TARGETARCH" = "amd64" ] && echo "x64" || echo "$TARGETARCH") && \
+    dotnet publish "Azaion.AdminApi.csproj" -c Release -o /app/publish /p:UseAppHost=false --os linux --arch $arch
 
 # Build runtime
 FROM base AS final

env/api/02-nginx-docker-registry.sh

@@ -1,7 +1,10 @@
 #!/bin/sh
 
 apt install -y docker.io apache2-utils certbot python3-certbot-nginx nginx
-docker run -d -p 5000:5000 --name registry --restart always registry:latest
+docker run -d -p 5000:5000 --name registry --restart always \
+  -v registry-data:/var/lib/registry \
+  -e REGISTRY_STORAGE_DELETE_ENABLED=true \
+  registry:latest
 
 # create user for docker auth
 cd /etc/nginx