deploy: rename index to index.html

In all future deploys, deploy index.html file as "index.html" instead of
"index", to avoid a naming conflict with the new "index/" folder.

Instructions in README are also updated accordingly.

Change-Id: I9f9e5bb994cb53afe0945459acbbe753234ed3a9
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/473755
Reviewed-by: Julie Qiu <julieqiu@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Tatiana Bradley <tatianabradley@google.com>

deploy/gcp-deploy.sh

@@ -12,7 +12,11 @@ gsutil -q -m cp -r /workspace/legacydb/* gs://go-vulndb
 gsutil -q -m cp -r /workspace/db/* gs://go-vulndb
 
 # Deploy web files.
-for file in index 404 copyright privacy; do
+# index.html is deployed as-is to avoid a name conflict with
+# the "index/" folder, but other HTML files are deployed without the
+# ".html" suffix for a cleaner URL.
+gsutil cp webconfig/index.html gs://go-vulndb
+for file in 404 copyright privacy; do
     gsutil -h "Content-Type:text/html" cp webconfig/$file.html gs://go-vulndb/$file
 done
 gsutil cp webconfig/favicon.ico gs://go-vulndb

webconfig/README.md

@@ -17,7 +17,8 @@ In exceptional cases, the files may need to be manually copied into the bucket.
 To do this, run this script:
 
 ```sh
-for file in index 404 copyright privacy; do
+gsutil cp webconfig/index.html gs://go-vulndb
+for file in 404 copyright privacy; do
     gsutil -h "Content-Type:text/html" cp webconfig/$file.html gs://go-vulndb/$file
 done
 gsutil cp webconfig/favicon.ico gs://go-vulndb
@@ -33,7 +34,7 @@ The initial setup has already been completed and no further action is required.
 The go-vulndb bucket was configured to display these pages via:
 
 ```sh
-gsutil web set -m index -e 404 gs://go-vulndb
+gsutil web set -m index.html -e 404 gs://go-vulndb
 ```
 
 Use `gsutil web get gs://go-vulndb` to display the current configuration.