From a80f90283dd86d65587592ad032793d3a8e9537c Mon Sep 17 00:00:00 2001
From: Oleksandr Bezdieniezhnykh <oleksandr.bezdieniezhnykh@pwc.com>
Date: Mon, 6 Apr 2026 04:59:58 +0300
Subject: [PATCH] Update Dockerfile to support multi-architecture builds by
 using BUILDPLATFORM and TARGETARCH arguments for dotnet publish

---
 src/Dockerfile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Dockerfile b/src/Dockerfile
index 829c965..efe90d1 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -1,7 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+ARG TARGETARCH
 WORKDIR /src
 COPY . .
-RUN dotnet publish -c Release -o /app
+RUN arch=$([ "$TARGETARCH" = "amd64" ] && echo "x64" || echo "$TARGETARCH") && \
+    dotnet publish -c Release -o /app --os linux --arch $arch
 
 FROM mcr.microsoft.com/dotnet/aspnet:10.0
 WORKDIR /app