fix: Update nginx config to use dynamic DNS resolution

- Replace upstream blocks with resolver directive
- Use variables for backend addresses to avoid startup errors
- Simplify configuration with single server block
- Add health check endpoint

server/api/node_modules/bcryptjs/.travis.yml

@@ -0,0 +1,18 @@
+language: node_js
+
+node_js:
+  - 0.10
+  - 0.12
+  - 4
+  - 6
+
+before_script: npm -g install testjs
+
+env:
+  - CXX=g++-4.8
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8