Add environment variables to docker run cmd

Author: Bruno Galindro da Costa

lib/pip.js

@@ -181,6 +181,15 @@ function installRequirements(targetFolder, serverless, options) {
       pipCmd.push('--cache-dir', dockerDownloadCacheDir);
     }
 
+    if (options.dockerEnv) {
+      // Add environment variables to docker run cmd
+      options.dockerEnv.forEach(
+          function(item) {
+            cmdOptions.push('-e', item);
+          }
+      );
+    }
+
     if (process.platform === 'linux') {
       // Use same user so requirements folder is not root and so --cache-dir works
       var commands = [];
@@ -210,7 +219,7 @@ function installRequirements(targetFolder, serverless, options) {
           ])
         );
       }
-      pipCmd = ['/bin/bash', '-c', '"' + commands.join(' && ') + '"'];
+      pipCmd = ['/bin/bash', '-c', '"' + commands.join(' ; ') + '"'];
     } else {
       // Use same user so --cache-dir works
       cmdOptions.push('-u', getDockerUid(bindPath));