[DRAFT] Add Alpine Linux to GitHub Actions CI

.github/docker_images/alpine_linux/Dockerfile

@@ -0,0 +1,27 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+FROM alpine:latest
+
+ARG CC=gcc
+ARG CXX=g++
+
+VOLUME ["awslc"]
+
+RUN apk --no-cache add bash  \
+                       clang \
+                       build-base \
+                       cmake \
+                       ninja \
+                       go \
+                       perl \
+                       linux-headers
+
+WORKDIR /awslc
+
+ENV CC=${CC}
+ENV CXX=${CXX}
+
+COPY .github/docker_images/alpine_linux/entry.sh /
+
+ENTRYPOINT ["/entry.sh"]

.github/docker_images/alpine_linux/entry.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+set -ex -o pipefail
+
+CHECK_FIPS="$1"
+
+if [[ "${CHECK_FIPS}" == "0" ]]; then
+    echo "Testing AWS-LC Non-FIPS"
+    tests/ci/run_posix_tests.sh
+elif [[ "${CHECK_FIPS}" == "1" ]]; then
+    echo "Testing AWS-LC FIPS"
+    tests/ci/run_fips_tests.sh
+else
+    exit 1
+fi

.github/workflows/actions-ci.yml

@@ -462,6 +462,51 @@ jobs:
         run: |
           docker run -v "${{ github.workspace }}:/awslc" "gcc-4.8"
 
+  # alpine-linux:
+  #   needs: [sanity-test-run]
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       fips: [0, 1]
+  #       compiler: [
+  #         --build-arg CC=clang --build-arg CXX=clang++,
+  #         --build-arg CC=gcc --build-arg CXX=g++
+  #       ]
+  #   runs-on: ubuntu-latest
+  #   env:
+  #     DOCKER_BUILDKIT: 1
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - name: Build Docker Image
+  #       run: |
+  #         docker build -t alpine_linux \
+  #         -f .github/docker_images/alpine_linux/Dockerfile \
+  #         ${{ matrix.compiler }} \
+  #         .
+  #     - name: Run tests
+  #       run: |
+  #         docker run -v "${{ github.workspace }}:/awslc" alpine_linux ${{ matrix.fips }}
+
+  alpine-linux-arm64:
+    needs: [sanity-test-run]
+    strategy:
+      fail-fast: false
+    runs-on: macos-13-xlarge
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '>=1.18'
+      - name: Build Docker Image
+        run: |
+          brew install --cask docker
+          docker build -t alpine_linux \
+          --platform=linux/arm64 \
+          -f .github/docker_images/alpine_linux/Dockerfile .
+      - name: Run tests
+        run: |
+          docker run -v "${{ github.workspace }}:/awslc" alpine_linux 0
+
     # TODO: Investigate sudden hanging tests and failures in GHA runners (P114059413)
 #  MSVC-SDE-32-bit:
 #    needs: [sanity-test-run]