force jekyll to use localhost:4000 with _config_docker.yml

Author: roye2

docker-compose.yml

@@ -2,22 +2,14 @@ services:
   docs:
     build: .
     ports:
-      - "127.0.0.1:35729:35729"   # livereload port, bypasses nginx
-    expose:
-      - "4000"
+      - "4000:4000"
+      - "35729:35729"
     volumes:
       - .:/site
       - bundle_cache:/usr/local/bundle
     environment:
-      - JEKYLL_ENV=development
-    command: bundle exec jekyll serve --host 0.0.0.0 --livereload --force_polling
-  nginx:
-    image: nginx:alpine
-    ports:
-      - "127.0.0.1:4000:80"
-    volumes:
-      - ./nginx.conf:/etc/nginx/nginx.conf:ro
-    depends_on:
-      - docs
+      - JEKYLL_ENV=docker
+    command: bundle exec jekyll serve --host 0.0.0.0 --livereload --force_polling --config _config.yml,_config_docker.yml
+
 volumes:
   bundle_cache: