Pass env vars to docker

Based on #231 & closes #267

Author: dschep

README.md

@@ -72,6 +72,14 @@ It is important that the host of your private repositories has already been adde
 `$HOME/.ssh/known_hosts` file, as the install process will fail otherwise due to host authenticity
 failure.
 
+You can also pass all environment variables to the docker container by specifying the `dockerEnv`
+option:
+```yaml
+custom:
+  pythonRequirements:
+    dockerEnv: true
+```
+
 [:checkered_flag: Windows notes](#checkered_flag-windows-dockerizepip-notes)
 
 ## Pipenv support :sparkles::cake::sparkles:

index.js

@@ -42,6 +42,7 @@ class ServerlessPythonRequirements {
         dockerSsh: false,
         dockerImage: null,
         dockerFile: null,
+        dockerEnv: false,
         useStaticCache: false,
         useDownloadCache: false,
         cacheLocation: false,

lib/pip.js

@@ -234,7 +234,7 @@ 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', quote_single(getDockerUid(bindPath)));