Switch corerp from distroless to alpine

.github/workflows/build.yaml

@@ -216,9 +216,6 @@ jobs:
         uses: docker/setup-buildx-action@v2
         with:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
-      - name: Build Git binary
-        run: |
-          make build-git
       - name: Push container images (latest)
         run: |
           make docker-test-image-build && make docker-test-image-push

.github/workflows/functional-test.yaml

@@ -159,7 +159,7 @@ jobs:
             :hourglass: Building Radius and pushing container images for functional tests...
       - name: Build and Push container images
         run: |
-          make build && make build-git && make docker-build && make docker-push
+          make build && make docker-build && make docker-push
         env:
           DOCKER_REGISTRY: ${{ env.CACHE_REGISTRY }}
           DOCKER_TAG_VERSION: ${{ env.REL_VERSION }}

Makefile

@@ -6,4 +6,4 @@
 ARROW := \033[34;1m=>\033[0m
 
 # order matters for these
-include build/help.mk build/version.mk build/build.mk build/util.mk build/generate.mk build/test.mk build/controller.mk build/git.mk build/docker.mk build/recipes.mk build/install.mk build/debug.mk
+include build/help.mk build/version.mk build/build.mk build/util.mk build/generate.mk build/test.mk build/controller.mk build/docker.mk build/recipes.mk build/install.mk build/debug.mk

deploy/images/appcore-rp/Dockerfile

@@ -1,15 +1,23 @@
-# Note: distroless already includes ca-certificates
-FROM --platform=${TARGETPLATFORM:-linux/amd64} gcr.io/distroless/static:nonroot
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:latest
 
 ARG TARGETPLATFORM
 ARG TARGETARCH
 
+# Install ca-certificates
+RUN apk --no-cache add ca-certificates
+
+# Install Git (required for Terraform module downloads)
+RUN apk --no-cache add git
+
+# Create non-root user
+RUN addgroup -g 65532 rpuser && \
+    adduser -u 65532 -G rpuser -s /bin/sh -D rpuser
+
 WORKDIR /
 
 COPY ./linux_${TARGETARCH:-amd64}/release/appcore-rp /
-COPY ./gitbinary/git /usr/local/bin/
 
-USER 65532:65532
+USER rpuser
 
 EXPOSE 8080
 ENTRYPOINT ["/appcore-rp"]