From 6d33ce2127a3ac1419749b384719f3d230a9d2e9 Mon Sep 17 00:00:00 2001
From: Daniel Schep <dschep@gmail.com>
Date: Thu, 26 Oct 2017 18:42:52 -0400
Subject: [PATCH] deal with reqs being a symlink in docker

closes  #97
---
 lib/pip.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/pip.js b/lib/pip.js
index 3e46fcc5..1edac201 100644
--- a/lib/pip.js
+++ b/lib/pip.js
@@ -7,9 +7,10 @@ const {spawnSync} = require('child_process');
  * @return {Promise}
  */
 function installRequirements() {
+  const dotSlsReqs = '.serverless/requirements.txt';
   let fileName = this.options.fileName;
   if (this.options.usePipenv && fse.existsSync(path.join(this.servicePath, 'Pipfile'))) {
-    fileName = '.serverless/requirements.txt';
+    fileName = dotSlsReqs;
   }
 
   if (!fse.existsSync(path.join(this.servicePath, fileName)))
@@ -38,6 +39,11 @@ function installRequirements() {
       pipCmd.push('--system');
   }
   if (this.options.dockerizePip) {
+    // In case the requirements file is a symlink, copy it to .serverless/requirements.txt
+    if (fileName !== dotSlsReqs) {
+      fse.copySync(fileName, dotSlsReqs);
+      fileName = dotSlsReqs;
+    }
     cmd = 'docker';
 
     this.serverless.cli.log(`Docker Image: ${this.options.dockerImage}`);