Remove unused openssl headers from alpine images as well

Author: yehonatanz

Dockerfile-alpine.template

@@ -8,12 +8,14 @@ RUN addgroup -g 1000 node \
         libstdc++ \
     && apk add --no-cache --virtual .build-deps \
         curl \
-    && ARCH= && alpineArch="$(apk --print-arch)" \
+    && ARCH= OPENSSL_ARCH='linux*' && alpineArch="$(apk --print-arch)" \
       && case "${alpineArch##*-}" in \
-        x86_64) \
-          ARCH='x64' \
-          CHECKSUM=CHECKSUM_x64 \
-          ;; \
+        x86_64) ARCH='x64' CHECKSUM=CHECKSUM_x64 OPENSSL_ARCH=linux-x86_64;; \
+        x86) OPENSSL_ARCH=linux-elf;; \
+        aarch64) OPENSSL_ARCH=linux-aarch64;; \
+        arm*) OPENSSL_ARCH=linux-armv4;; \
+        ppc64le) OPENSSL_ARCH=linux-ppc64le;; \
+        s390x) OPENSSL_ARCH=linux-s390x;; \
         *) ;; \
       esac \
   && if [ -n "${CHECKSUM}" ]; then \
@@ -60,6 +62,8 @@ RUN addgroup -g 1000 node \
     && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt; \
   fi \
   && rm -f "node-v$NODE_VERSION-linux-$ARCH-musl.tar.xz" \
+  # Remove unused OpenSSL headers to save ~34MB. See this NodeJS issue: https://github.com/nodejs/node/issues/46451
+  && find /usr/local/include/node/openssl/archs -mindepth 1 -maxdepth 1 ! -name "$OPENSSL_ARCH" -exec rm -rf {} \; \
   && apk del .build-deps \
   # smoke tests
   && node --version \