Switch to using file:// for Chrome render.

I don't think the web server is started in this mode

.drone.yml

@@ -10,8 +10,7 @@ steps:
   - name: build-resume
     image: pink33n/html-to-pdf
     commands:
-    - cp -r resume.html css /workspace
-    - chrome-headless-render-pdf --chrome-binary=/usr/local/bin/chrome-wrapper --url http://localhost/resume.html --pdf /resume-output/Resume-Danila-Fedorin.pdf
+    - chrome-headless-render-pdf --chrome-binary=/usr/local/bin/chrome-wrapper --url file://$(pwd)/resume.html --pdf /resume-output/Resume-Danila-Fedorin.pdf
     volumes:
     - name: resume-output
       path: /resume-output