Use BACKEND_API_URL env var for backend

.travis.yml

@@ -7,12 +7,3 @@ os:
 - linux
 script:
 - yarn test
-before_deploy:
-- rm -rf node_modules
-deploy:
-  provider: heroku
-  api_key:
-    secure: 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
-  app: apollo-universal-starter-kit
-  on:
-    repo: sysgears/apollo-universal-starter-kit

docs/FAQ.md

@@ -40,10 +40,10 @@ git merge upstream/stable
 
 ## How do I use a custom GraphQL back end?
 
-To set your custom GraphQL back end endpoint, set `API_URL` environment variable or change URL in `packages/server/build.config.js` for the `__API_URL__` property:
+To set your custom GraphQL back end endpoint, set `BACKEND_API_URL` environment variable or change URL in `packages/server/build.config.js` for the `__API_URL__` property:
 
 ```javascript
-__API_URL__: process.env.API_URL || '/graphql', // set the full URL to the external GraphQL API e.g. https://
+__API_URL__: process.env.BACKEND_API_URL || 'https://my-custom-domain/graphql', // set the full URL to the external GraphQL API e.g. https://
 ```
 
 We recommend that you still run the back-end code provided by the starter kit to use the server-side rendering (SSR).

packages/server/build.config.js

@@ -1,5 +1,3 @@
-const path = require('path');
-
 const config = {
   ...require('../../build.config'),
   __CLIENT__: false,
@@ -8,10 +6,10 @@ const config = {
   __TEST__: false,
   'process.env.NODE_ENV': process.env.NODE_ENV || 'development',
   __SERVER_PORT__: process.env.SERVER_PORT || process.env.PORT || 8080,
-  __API_URL__: process.env.API_URL || '/graphql',
+  __API_URL__: process.env.BACKEND_API_URL || '/graphql',
   __WEBSITE_URL__: process.env.WEBSITE_URL || 'http://localhost:3000',
   __CDN_URL__: process.env.CDN_URL || '',
-  __FRONTEND_BUILD_DIR__: path.resolve(process.env.FRONTEND_BUILD_DIR || '../client/build')
+  __FRONTEND_BUILD_DIR__: process.env.FRONTEND_BUILD_DIR || '../client/build'
 };
 
 module.exports = config;