Add NOT_FOUND_MEANS_INDEX option.

Author: jgoclawski

README.md

@@ -19,6 +19,7 @@ Variable | Description | Default
 --- | --- | ---
 `GCS_BUCKET_URL` | Full URL to the bucket folder. `https://storage.googleapis.com/[GCS_BUCKET_URL]/index.html` | None - required!
 `LISTEN_PORT` | Server listen port | 8080
+`NOT_FOUND_MEANS_INDEX` | When requested path is not found in the bucket, return index.html. Useful when serving single page apps, like Angular, React, Ember. Possible values: "true", "false". | false
 
 ## Health-checking
 

nginx-gcs-proxy/Dockerfile

@@ -11,6 +11,7 @@ COPY nginx.conf.tmpl /etc/nginx/nginx.conf.tmpl
 
 ENV GCS_BUCKET_URL " "
 ENV LISTEN_PORT "8080"
+ENV NOT_FOUND_MEANS_INDEX "false"
 
 ENTRYPOINT ["dockerize", \
             "-template", \

nginx-gcs-proxy/nginx.conf.tmpl

@@ -90,6 +90,9 @@ http {
             proxy_cache_valid       200 1d;
             add_header              X-Cache $upstream_cache_status;
 
+        {{ if eq .Env.NOT_FOUND_MEANS_INDEX "true" }}
+            error_page              404 =200 /index.html;
+        {{ end }}
             proxy_pass              http://google-cloud-storage/{{ .Env.GCS_BUCKET_URL }}$uri;
         }
     }