Merge pull request #101 from Peefy/update-docker-image-arch

ci: update docker image archs

.github/workflows/ci.yaml

@@ -77,6 +77,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Prepare docker image
+        run: cp -f ./docker/${{ matrix.arch }}/Dockerfile .
+
       # We ask Docker to use GitHub Action's native caching support to speed up
       # the build, per https://docs.docker.com/build/cache/backends/gha/.
       - name: Build Runtime

Dockerfile

@@ -1,6 +1,7 @@
 # We use the latest Go 1.x version unless asked to use something else.
 # The GitHub Actions CI job sets this argument for a consistent Go version.
 ARG GO_VERSION=1
+ARG BASE_IMAGE=kcllang/kcl
 
 # Setup the base environment. The BUILDPLATFORM is set automatically by Docker.
 # The --platform=${BUILDPLATFORM} flag tells Docker to build the function using
@@ -36,7 +37,7 @@ RUN --mount=target=. \
 
 # Produce the Function image. We use a very lightweight 'distroless' image that
 # does not include any of the build tools used in previous stages.
-FROM --platform=${BUILDPLATFORM} kcllang/kcl AS image
+FROM ${BASE_IMAGE} AS image
 WORKDIR /
 COPY --from=build /function /function
 EXPOSE 9443

docker/amd64/Dockerfile

@@ -0,0 +1,41 @@
+# We use the latest Go 1.x version unless asked to use something else.
+# The GitHub Actions CI job sets this argument for a consistent Go version.
+ARG GO_VERSION=1
+
+# Setup the base environment. The BUILDPLATFORM is set automatically by Docker.
+# The --platform=${BUILDPLATFORM} flag tells Docker to build the function using
+# the OS and architecture of the host running the build, not the OS and
+# architecture that we're building the function for.
+FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION} AS build
+
+WORKDIR /fn
+
+# Most functions don't want or need CGo support, so we disable it.
+ENV CGO_ENABLED=0
+
+# We run go mod download in a separate step so that we can cache its results.
+# This lets us avoid re-downloading modules if we don't need to. The type=target
+# mount tells Docker to mount the current directory read-only in the WORKDIR.
+# The type=cache mount tells Docker to cache the Go modules cache across builds.
+RUN --mount=target=. --mount=type=cache,target=/go/pkg/mod go mod download
+
+# The TARGETOS and TARGETARCH args are set by docker. We set GOOS and GOARCH to
+# these values to ask Go to compile a binary for these architectures. If
+# TARGETOS and TARGETOS are different from BUILDPLATFORM, Go will cross compile
+# for us (e.g. compile a linux/amd64 binary on a linux/arm64 build machine).
+ARG TARGETOS
+ARG TARGETARCH
+
+# Build the function binary. The type=target mount tells Docker to mount the
+# current directory read-only in the WORKDIR. The type=cache mount tells Docker
+# to cache the Go modules cache across builds.
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /function .
+
+FROM kcllang/kcl AS image
+WORKDIR /
+COPY --from=build /function /function
+EXPOSE 9443
+ENTRYPOINT ["/function"]

docker/arm64/Dockerfile

@@ -0,0 +1,41 @@
+# We use the latest Go 1.x version unless asked to use something else.
+# The GitHub Actions CI job sets this argument for a consistent Go version.
+ARG GO_VERSION=1
+
+# Setup the base environment. The BUILDPLATFORM is set automatically by Docker.
+# The --platform=${BUILDPLATFORM} flag tells Docker to build the function using
+# the OS and architecture of the host running the build, not the OS and
+# architecture that we're building the function for.
+FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION} AS build
+
+WORKDIR /fn
+
+# Most functions don't want or need CGo support, so we disable it.
+ENV CGO_ENABLED=0
+
+# We run go mod download in a separate step so that we can cache its results.
+# This lets us avoid re-downloading modules if we don't need to. The type=target
+# mount tells Docker to mount the current directory read-only in the WORKDIR.
+# The type=cache mount tells Docker to cache the Go modules cache across builds.
+RUN --mount=target=. --mount=type=cache,target=/go/pkg/mod go mod download
+
+# The TARGETOS and TARGETARCH args are set by docker. We set GOOS and GOARCH to
+# these values to ask Go to compile a binary for these architectures. If
+# TARGETOS and TARGETOS are different from BUILDPLATFORM, Go will cross compile
+# for us (e.g. compile a linux/amd64 binary on a linux/arm64 build machine).
+ARG TARGETOS
+ARG TARGETARCH
+
+# Build the function binary. The type=target mount tells Docker to mount the
+# current directory read-only in the WORKDIR. The type=cache mount tells Docker
+# to cache the Go modules cache across builds.
+RUN --mount=target=. \
+    --mount=type=cache,target=/go/pkg/mod \
+    --mount=type=cache,target=/root/.cache/go-build \
+    GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /function .
+
+FROM kcllang/kcl-arm64 AS image
+WORKDIR /
+COPY --from=build /function /function
+EXPOSE 9443
+ENTRYPOINT ["/function"]