Cross compile the arm64 image

cloudfunctions-cc/Dockerfile.base1 → cloudfunctions-cc/Dockerfile.base

@@ -1,9 +1,13 @@
 ### Copied from https://cloud.google.com/run/docs/quickstarts/build-and-deploy/deploy-c-plus-plus-service#writing
-# Version: 2024.07.25 (modify this line to trigger CI build)
+# Version: 2024.07.26 (modify this line to trigger CI build)
+
+FROM --platform=$BUILDPLATFORM tonistiigi/xx AS xx
 
 # We chose Alpine to build the image because it has good support for creating
 # statically-linked, small programs.
-FROM alpine:3.20 AS build
+FROM --platform=$BUILDPLATFORM alpine:3.20 AS xbuild
+COPY --from=xx / /
+ARG TARGETPLATFORM
 
 # Install the typical development tools for C++, and
 # the base OS headers and libraries.
@@ -34,5 +38,21 @@ RUN curl -sSL "https://github.com/Microsoft/vcpkg/archive/2024.07.12.tar.gz" | \
     && for path in triplets/*.cmake triplets/community/*.cmake ; do \
         echo 'set(VCPKG_BUILD_TYPE release)' >> $path ; \
     done \
-    && ./bootstrap-vcpkg.sh -disableMetrics \
-    && ./vcpkg install grpc
+    && ./bootstrap-vcpkg.sh -disableMetrics
+
+RUN xx-apk add --no-cache musl-dev zlib-dev clang
+
+COPY . /v/source
+WORKDIR /v/source
+
+RUN cmake -S/v/source -B/v/binary -GNinja \
+    -DCMAKE_TOOLCHAIN_FILE=/usr/local/vcpkg/scripts/buildsystems/vcpkg.cmake \
+    -DCMAKE_BUILD_TYPE=Release \
+    $(xx-clang --print-cmake-defines)
+
+# Don't include the final binaries in the base image
+RUN /v/binary/interaction*
+
+FROM --platform=$BUILDPLATFORM alpine:3.20
+COPY --from=xbuild /v/source /v/source
+COPY --from=xbuild /v/binary /v/binary