run Alpine runtime tests in Docker

.gitea/workflows/build.yml

@@ -121,7 +121,7 @@ jobs:
       - name: Prepare Environment
         run: |
           printf '%s\n' 'https://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories
-          apk add --no-cache --update abuild-rootbld alpine-sdk bash ca-certificates curl doas git jq nodejs rsync shellcheck sudo tar
+          apk add --no-cache --update abuild-rootbld alpine-sdk bash ca-certificates curl doas docker-cli git jq nodejs rsync shellcheck sudo tar
           trivy_archive="trivy_${TRIVY_VERSION}_Linux-64bit.tar.gz"
           curl -fsSL -o "/tmp/${trivy_archive}" "https://github.com/aquasecurity/trivy/releases/download/v${TRIVY_VERSION}/${trivy_archive}"
           echo "${TRIVY_SHA256}  /tmp/${trivy_archive}" | sha256sum -c -
@@ -204,7 +204,7 @@ jobs:
           path: packages/security-reports/
 
       - name: Runtime test
-        run: scripts/apk/runtime-test.sh
+        run: ALPINE_RUNTIME_TEST_MODE=docker scripts/apk/runtime-test.sh
 
       - name: Publish Alpine packages
         if: github.ref == 'refs/heads/main'