build for Linux ARM64 in CI

Author: cfbao

.github/workflows/publish.yml

@@ -143,10 +143,20 @@ jobs:
           - file: Dockerfile.al2
             platform: linux
             architecture: x64
+            runner: ubuntu-24.04
+          - file: Dockerfile.al2
+            platform: linux
+            architecture: arm64
+            runner: ubuntu-24.04-arm
           - file: Dockerfile.alpine
             platform: linux.alpine
             architecture: x64
-    runs-on: ubuntu-latest
+            runner: ubuntu-24.04
+          - file: Dockerfile.alpine
+            platform: linux.alpine
+            architecture: arm64
+            runner: ubuntu-24.04-arm
+    runs-on: ${{ matrix.runner }}
     timeout-minutes: 10
     steps:
       - name: checkout
@@ -158,10 +168,12 @@ jobs:
         shell: pwsh
         env:
           DOCKERFILE: ${{ matrix.file }}
+          ARCHITECTURE: ${{ matrix.architecture }}
           Version: ${{ needs.create_release.outputs.version }}
         run: |
           docker buildx build `
             -f $env:DOCKERFILE `
+            --build-arg arch=$env:ARCHITECTURE `
             --build-arg version=$env:Version `
             -o build .
 

Dockerfile.al2

@@ -1,5 +1,7 @@
 FROM public.ecr.aws/amazonlinux/amazonlinux:2 AS build
 
+ARG arch="x64"
+
 ARG version=""
 ENV Version=${version}
 
@@ -17,12 +19,12 @@ WORKDIR /source
 # Make configs & dependencies a separate layer to improve caching & build time on code change.
 COPY Directory.Build.props Directory.Build.props
 COPY src/D2L.Bmx/D2L.Bmx.csproj src/D2L.Bmx/D2L.Bmx.csproj
-RUN dotnet restore src/D2L.Bmx -r linux-x64
+RUN dotnet restore src/D2L.Bmx -r linux-${arch}
 
 COPY . .
 RUN dotnet publish src/D2L.Bmx \
     --no-restore \
-    -r linux-x64 \
+    -r linux-${arch} \
     -o app
 
 FROM scratch as export

Dockerfile.alpine

@@ -1,5 +1,7 @@
 FROM amd64/alpine:3.15 AS build
 
+ARG arch="x64"
+
 ARG version=""
 ENV Version=${version}
 
@@ -18,12 +20,12 @@ WORKDIR /source
 # Make configs & dependencies a separate layer to improve caching & build time on code change.
 COPY Directory.Build.props Directory.Build.props
 COPY src/D2L.Bmx/D2L.Bmx.csproj src/D2L.Bmx/D2L.Bmx.csproj
-RUN dotnet restore src/D2L.Bmx -r linux-musl-x64
+RUN dotnet restore src/D2L.Bmx -r linux-musl-${arch}
 
 COPY . .
 RUN dotnet publish src/D2L.Bmx \
     --no-restore \
-    -r linux-musl-x64 \
+    -r linux-musl-${arch} \
     -o app
 
 FROM scratch as export