ci: add .NET 10 NativeAOT AotAnywhere builder [CI]

.woodpecker/dev-image.yml

@@ -41,7 +41,6 @@ steps:
   - name: build-linux-amd64-agent
     image: bash
     environment:
-      NUGET_PACKAGES: /home/justme/.nuget/packages
       ZOT_REGISTRY: registry.oeo.one
       ZOT_USERNAME: justme
       ZOT_SECRET:
@@ -56,7 +55,6 @@ steps:
   - name: build-linux-amd64-probe
     image: bash
     environment:
-      NUGET_PACKAGES: /home/justme/.nuget/packages
       ZOT_REGISTRY: registry.oeo.one
       ZOT_USERNAME: justme
       ZOT_SECRET:
@@ -72,7 +70,6 @@ steps:
   - name: build-linux-arm64-agent
     image: bash
     environment:
-      NUGET_PACKAGES: /home/justme/.nuget/packages
       ZOT_REGISTRY: registry.oeo.one
       ZOT_USERNAME: justme
       ZOT_SECRET:
@@ -87,7 +84,6 @@ steps:
   - name: build-linux-arm64-probe
     image: bash
     environment:
-      NUGET_PACKAGES: /home/justme/.nuget/packages
       ZOT_REGISTRY: registry.oeo.one
       ZOT_USERNAME: justme
       ZOT_SECRET:

ci/build-dev-image.sh

@@ -102,12 +102,19 @@ context="$work/$component"
 local_image="localhost/moshiro-$component:dev-$arch-check"
 node_rid="linux-musl-x64"
 [[ "$arch" == arm64 ]] && node_rid="linux-musl-arm64"
-# Keep writable NuGet caches isolated per parallel build (component + arch).
-# Reuse still applies across pipeline runs without concurrent restore races.
-# Keep the package cache across Buildah storage generations so refreshing a
-# damaged layer store does not force another full NuGet download.
-nuget_cache="/home/justme/woodpecker/buildah-home/dev-image-build-$component-$arch/nuget-packages"
-mkdir -p "$nuget_cache"
+# Build a dedicated .NET 10 NativeAOT/AotAnywhere environment in this isolated
+# Buildah store. Keeping NuGet inside image layers avoids a shared writable
+# package mount being corrupted by canceled or parallel builds.
+builder_image="localhost/moshiro-dotnet10-nativeaot-aotanywhere:ci"
+builder_context="$work/nativeaot-builder"
+mkdir -p "$builder_context/backend"
+install -m 0644 "$root/global.json" "$builder_context/global.json"
+install -m 0644 "$root/Directory.Packages.props" "$builder_context/Directory.Packages.props"
+install -m 0644 "$root/backend/Directory.Build.props" "$builder_context/backend/Directory.Build.props"
+install -m 0644 "$root/backend/BannedSymbols.txt" "$builder_context/backend/BannedSymbols.txt"
+run_bounded 30m buildah bud --layers --network host --tls-verify=true --arch amd64 \
+  -f "$root/packaging/container/NativeAot.Builder.Containerfile" \
+  -t "$builder_image" "$builder_context"
 
 # A stable timestamp lets a retry of the same commit reuse the publish layer.
 commit_epoch="$(git -C "$root" show -s --format=%ct "$CI_COMMIT_SHA")"
@@ -115,7 +122,7 @@ built_at="$(date -u -d "@$commit_epoch" +%Y-%m-%dT%H:%M:%SZ)"
 
 python3 "$root/ci/stage-node-image.py" "$component" "$context"
 run_bounded 30m buildah bud --layers --network host --tls-verify=true --arch "$arch" \
-  --volume "$nuget_cache:/root/.nuget/packages:rw" \
+  --build-arg "NATIVEAOT_BUILDER_IMAGE=$builder_image" \
   --build-arg "APP_VERSION=$image_version" \
   --build-arg "NODE_RID=$node_rid" \
   --build-arg "MOSHIRO_TAG=$MOSHIRO_TAG" --build-arg "MOSHIRO_COMMIT=${CI_COMMIT_SHA:0:10}" --build-arg "MOSHIRO_BUILT_AT=$built_at" \

packaging/container/Agent.NativeBuild.Containerfile

@@ -1,5 +1,7 @@
 # Run all build commands on the native amd64 runner. AotAnywhere cross-links
 # the NativeAOT output, so an ARM64 build never needs QEMU.
+ARG NATIVEAOT_BUILDER_IMAGE=localhost/moshiro-dotnet10-nativeaot-aotanywhere:ci
+
 FROM --platform=linux/arm64 alpine:3.24 AS arm64-apk-keys
 
 FROM --platform=linux/amd64 alpine:3.24 AS runtime-libs
@@ -19,7 +21,7 @@ RUN set -eu; \
     for package do tar -xzf "$package" -C /tmp/runtime-root; done; \
     cp -a /tmp/runtime-root/usr/lib/*.so* /out/runtime/
 
-FROM --platform=linux/amd64 mcr.microsoft.com/dotnet/sdk:10.0-noble-aot AS build
+FROM --platform=linux/amd64 ${NATIVEAOT_BUILDER_IMAGE} AS build
 
 WORKDIR /src/backend
 COPY restore/backend/ ./

packaging/container/NativeAot.Builder.Containerfile

@@ -0,0 +1,32 @@
+# Shared .NET 10 NativeAOT build environment for MoShiro's Linux node images.
+# The SDK image includes the Linux NativeAOT compiler prerequisites. Warm the
+# repository-pinned AotAnywhere MSBuild SDK into this image so builds do not
+# depend on a writable host-mounted NuGet cache.
+FROM --platform=linux/amd64 mcr.microsoft.com/dotnet/sdk:10.0-noble-aot
+
+ENV DOTNET_CLI_TELEMETRY_OPTOUT=1 \
+    DOTNET_NOLOGO=1 \
+    NUGET_PACKAGES=/root/.nuget/packages
+
+WORKDIR /opt/aotanywhere
+COPY global.json ./global.json
+COPY Directory.Packages.props ./Directory.Packages.props
+COPY backend/Directory.Build.props ./backend/Directory.Build.props
+COPY backend/BannedSymbols.txt ./backend/BannedSymbols.txt
+
+WORKDIR /opt/aotanywhere/backend
+RUN printf '%s\n' \
+      '<Project Sdk="Microsoft.NET.Sdk">' \
+      '  <Sdk Name="StuDev.AotAnywhere" />' \
+      '  <PropertyGroup>' \
+      '    <TargetFramework>net10.0</TargetFramework>' \
+      '    <PublishAot>true</PublishAot>' \
+      '    <UseAotAnywhere>true</UseAotAnywhere>' \
+      '  </PropertyGroup>' \
+      '</Project>' > Warmup.csproj \
+    && dotnet restore Warmup.csproj -p:PublishAot=true -p:UseAotAnywhere=true -r linux-musl-x64 \
+    && dotnet restore Warmup.csproj -p:PublishAot=true -p:UseAotAnywhere=true -r linux-musl-arm64 \
+    && rm Warmup.csproj \
+    && rm -rf artifacts
+
+WORKDIR /src/backend

packaging/container/Probe.NativeBuild.Containerfile

@@ -1,5 +1,7 @@
 # Run all build commands on the native amd64 runner. AotAnywhere cross-links
 # the NativeAOT output, so an ARM64 build never needs QEMU.
+ARG NATIVEAOT_BUILDER_IMAGE=localhost/moshiro-dotnet10-nativeaot-aotanywhere:ci
+
 FROM --platform=linux/arm64 alpine:3.24 AS arm64-apk-keys
 
 FROM --platform=linux/amd64 alpine:3.24 AS runtime-libs
@@ -19,7 +21,7 @@ RUN set -eu; \
     for package do tar -xzf "$package" -C /tmp/runtime-root; done; \
     cp -a /tmp/runtime-root/usr/lib/*.so* /out/runtime/
 
-FROM --platform=linux/amd64 mcr.microsoft.com/dotnet/sdk:10.0-noble-aot AS build
+FROM --platform=linux/amd64 ${NATIVEAOT_BUILDER_IMAGE} AS build
 
 WORKDIR /src/backend
 COPY restore/backend/ ./