Fix local development.

dev/README.md

@@ -1,6 +1,6 @@
-# dev
+# Local Development
 
-This is a collection of helpful scripts for local development ONLY.
+This is a collection of helpful scripts for local development.
 
 ## Setup
 
@@ -70,6 +70,10 @@ This listens for WebTransport connections on WebTransport `https://localhost:444
 ./dev/relay
 ```
 
+It will print out a URL when you can use to publish. Alternatively, you can use `dev/pub` instead.
+
+> Publish URL: https://quic.video/publish/?server=localhost:4443
+
 ### moq-pub
 
 The following command runs a development instance, broadcasing `dev/source.mp4` to WebTransport `https://localhost:4443`:
@@ -78,6 +82,11 @@ The following command runs a development instance, broadcasing `dev/source.mp4`
 ./dev/pub
 ```
 
+It will print out a URL when you can use to watch.
+This will contain a random broadcast name so the below link won't work:
+
+> Watch URL: https://quic.video/watch/REPLACE_WITH_NAME?server=localhost:4443
+
 ### moq-api
 
 The following commands runs an API server, listening for HTTP requests on `http://localhost:4442` by default.

dev/relay

@@ -22,12 +22,12 @@ ARGS=""
 
 # Connect to the given URL to get origins.
 # TODO default to a public instance?
-if [ -n "$API" ]; then
+if [ -n "${API-}" ]; then
 	ARGS="$ARGS --api $API"
 fi
 
 # Provide our node URL when registering origins.
-if [ -n "$NODE" ]; then
+if [ -n "${NODE-}" ]; then
 	ARGS="$ARGS --node $NODE"
 fi