Add architecture to requirements cache directory name

Author: Maciej Wilczyński

lib/pip.js

@@ -541,7 +541,8 @@ function installRequirementsIfNeeded(
   const workingReqsFolder = getRequirementsWorkingPath(
     reqChecksum,
     requirementsTxtDirectory,
-    options
+    options,
+    serverless
   );
 
   // Check if our static cache is present and is valid

lib/shared.js

@@ -55,17 +55,20 @@ function checkForAndDeleteMaxCacheVersions(options, serverless) {
  * @param  {string} subfolder
  * @param  {string} servicePath
  * @param  {Object} options
+ * @param  {Object} serverless
  * @return {string}
  */
 function getRequirementsWorkingPath(
   subfolder,
   requirementsTxtDirectory,
-  options
+  options,
+  serverless,
 ) {
   // If we want to use the static cache
   if (options && options.useStaticCache) {
     if (subfolder) {
-      subfolder = subfolder + '_slspyc';
+      const architecture = serverless.service.provider.architecture || 'x86_64';
+      subfolder = `${subfolder}_${architecture}_slspyc`;
     }
     // If we have max number of cache items...