Add architecture to requirements layer cache archive file name

Author: Maciej Wilczyński

lib/layer.js

@@ -18,7 +18,8 @@ function zipRequirements() {
   const zipCachePath = getRequirementsLayerPath(
     reqChecksum,
     targetZipPath,
-    this.options
+    this.options,
+    this.serverless
   );
 
   const promises = [];

lib/shared.js

@@ -89,11 +89,13 @@ function getRequirementsWorkingPath(
 function getRequirementsLayerPath(
   hash,
   fallback,
-  options
+  options,
+  serverless,
 ) {
   // If we want to use the static cache
   if (hash && options && options.useStaticCache) {
-    hash = hash + '_slspyc.zip';
+    const architecture = serverless.service.provider.architecture || 'x86_64';
+    hash = `${hash}_${architecture}_slspyc.zip`;
     return path.join(getUserCachePath(options), hash);
   }