feat: Update Caddyfile for CORS headers and preflight response; change target host in streamer config

Author: 02loveslollipop

infra/terraform/media_relay/templates/Caddyfile.tpl

@@ -1,6 +1,15 @@
 ${domain_name} {
   encode gzip
 
+  header Access-Control-Allow-Origin "*"
+  header Access-Control-Allow-Methods "GET, POST, OPTIONS, PATCH"
+  header Access-Control-Allow-Headers "Content-Type, Accept"
+
+  @preflight {
+    method OPTIONS
+  }
+  respond @preflight "" 204
+
   @hls path /hls*
   reverse_proxy @hls http://127.0.0.1:8888
 

sbc_streamer/main.go

@@ -84,7 +84,7 @@ func loadConfig() streamerConfig {
 		videoCodec:        readEnv("VIDEO_CODEC", "h264_rkmpp"),
 		videoFormat:       readEnv("VIDEO_FORMAT", "nv12"),
 		streamName:        readEnv("STREAM_NAME", "robot"),
-		targetHost:        readEnv("RELAY_HOST", "rtsp.02labs.me:8554"),
+		targetHost:        readEnv("RELAY_HOST", "rtsp.nene.02labs.me:8554"),
 		publishUser:       readEnv("RELAY_PUBLISH_USER", ""),
 		publishPass:       readEnv("RELAY_PUBLISH_PASS", ""),
 		rtspTransport:     readEnv("RTSP_TRANSPORT", "tcp"),